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Mouse, Keyboard or Touchpad Not Working Correctly

Article ID : 277550Date Published : 2009-10-01Journal ID : 46a0d000-97cf-494d-881d-943c1bb7ad76
Article Summary: This article provides troubleshooting steps for mouse, keyboard and touchpad issues.

Table of Contents:

  1. Troubleshooting a Keyboard or Touchpad Built Into the Notebook
  2. Troubleshooting Dell Wireless or Bluetooth Keyboards and Mice
  3. Troubleshooting Dell USB Keyboards and Mice
  4. Troubleshooting a Slow Moving Cursor
  5. How to Disable or Enable the Notebook Touchpad
  6. Troubleshooting a Notebook Keyboard Key That Has Come Off
  7. Keyboard Hotkeys and Sound Controls
  8. How to use the Backlit Keyboard on your Computer
  9. How to Connect a Wired Keyboard or Mouse to Your Computer
  10. How to Clean Your Keyboard or Mouse
  11. Non Dell Keyboards and Mice



 



Issue 1: Troubleshooting a Keyboard or Touchpad Built Into 
the Notebook




The Cursor Movement is Not Smooth (Erratic) 
or Does Not Move at All
  1. Some computers have a touchpad disable and enable hot key, refer to Dell Knowledge Base article "Disabling or Enabling the Touchpad Using the Hot Key" to see if your computer has this hot key and how to use it. 
    (When your computer does not have the hot key or the hot key did not correct the issue proceed to the next step.)



  2. Turn off the computer (when the touchpad does not respond hold the power button down for up to 15 seconds to turn off the computer).



  3. Unplug everything except the power cord, including the following: 

    • Speakers
    • Printers
    • Scanners
    • USB devices
    • Personal Digital Assistants (PDAs)
    • USB flash drive or other external storage devices
    • External Monitor
    • External Keyboard
    • External Mouse
    • If your computer is attached to a docking station, undock it.



  4. Make sure the touchpad or your finger has no dirt, grease, liquids or food on it (the touchpad has to make a good contact with your finger to work correctly). 



  5. Turn the computer back on and retest the touchpad.

    • When the touchpad still does not work correctly proceed to step 6. 

    • When the touchpad does work correctly, attach one external device at a time and test the touchpad to see which one may have caused the issue.



  6. Make sure the latest driver for the touchpad is installed (you may need to use a external USB or Bluetooth mouse), for more information refer to Dell Knowledge Base article "How to Use the Drivers and Downloads Website" (Refer to section 4). 
     Note:
    The touchpad drivers are located in the Input section, listed as Dell Touchpad / Pointing Stick, Alps - Driver or Synaptics - Driver.



  7. Some newer computers have added gesture features to the touchpad hardware and drivers. A few of these features are two or three finger scrollingpinch zoomcircle zoom, rotate and swiping. These new features may be the reason for the erratic cursor movement since most are turned on by default. You can disable or modify the way the features work in the touchpad driver properties.

    To get to the touchpad properties, perform these steps:
    (Refer to the Table of Contents for help determining which Operating System installed on this computer.) 

    • For Windows 7.
      1. Click Start.
      2. Click Control Panel.
      3. Using the drop-down menu next to View by: in the upper-right corner, select Large Icons.
      4. Click Mouse.
      5. Click the Dell Touchpad or Device Settings tab.

        • When the Dell Touchpad tab option showed.
          1. Click on the picture of the touchpad.
          2. Click Gestures Settings (depending on your computer there may not be a gestures option).
          3. After changing the options click OK.

        • When the Device Settings tab option showed.
          1. Click the <+> next to open the options you want to change.
          2. After changing the options click OK.

    • For Windows Vista.
      1. Click Start.
      2. Click Control Panel.
      3. Click Mouse.
      4. Click the Dell Touchpad or Device Settings tab.

        • When the Dell Touchpad tab option showed.
          1. Click on the picture of the touchpad.
          2. Click Gestures Settings (depending on your computer there may not be a gestures option).
          3. After changing the options click OK.

        • When the Device Settings tab option showed.
          1. Click the <+> next to open the options you want to change.
          2. After changing the options click OK.

    • For Windows XP.
      1. Click Start.
      2. Click Control Panel.
      3. Click Switch to Classic View when available in the upper-left corner.
      4. Click Mouse.
      5. Click the Dell Touchpad or Device Settings tab.

        • When the Dell Touchpad tab option showed.
          1. Click on the picture of the touchpad.
          2. Click Gestures Settings (depending on your computer there may not be a gestures option).
          3. After changing the options click OK.

        • When the Device Settings tab option showed.
          1. Click the <+> next to open the options you want to change.
          2. After changing the options click OK.

  8. Refer to the Microsoft Knowledge Base article, Mouse, touchpad, and keyboard problems in Windows.


After following the preceding steps and the touchpad still does not work, Contact Technical Support.

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The Cursor Moves Around Erratically While Typing 
on the Notebook Keyboard


  1. Make sure the latest driver for the touchpad is installed (you may need to use a external USB or Bluetooth mouse), for more information refer to Dell Knowledge Base article "How to Use the Drivers and Downloads Website" (Refer to section 4).
     Note:
    The touchpad drivers are located in the Input section, listed as Dell Touchpad / Pointing Stick, Alps - Driver or Synaptics - Driver.


  2. Click Start.



  3. Click Control Panel.



  4. Using the drop-down menu next to View by: in the upper-right corner, select Large Icons.



  5. Click Mouse.



  6. Click the Dell Touchpad tab.
     Note:
    When there is not a Dell Touchpad tab your computer does not have the option shown below.


  7. Click on the picture of the touchpad.



  8. Click Touchpad Settings.



  9. Make sure there is a check in the box to the left of TouchCheck, move the slider bar all the way to the right (this can always be adjusted back).



  10. Uncheck the box to the left of Tap to Click.



  11. Move the slider in the Touch Sensitivity area to the right until it is 3/4 of the way toward Heavy Touch



  12. Click Apply, then click OK.



  13. Click the X in the upper-right corner to close the Dell Touchpad Utility.


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Keys on the Keyboard Is Typing Characters Intermittently 
or Not at All
  1. Turn off the computer.



  2. Unplug everything except the power cord, including the following: 

    • Speakers
    • Printers
    • Scanners
    • USB devices
    • Personal Digital Assistants (PDAs)
    • USB flash drive or other external storage devices
    • External Monitor
    • External Keyboard
    • External Mouse
    • If your computer is attached to a docking station, undock it.



  3. Turn the computer back on and retest the keyboard.

    • When the keyboard does work correctly, attach one external device at a time and test the keyboard to see which one may have caused the issue.
    • When a specific key is not working, turn off the computer and use a can of compressed air to clean around the problem key and then retest the keyboard.
    • If the problem only occurs in a specific application program, try another application program, such as Notepad and then test the keyboard. If the problem only occurs in a particular program, you may need to troubleshoot that particular program.
    • Uninstall or disable any software that may change how the keyboard operates. This software includes:
      • Keyboard macro programs
      • External keyboard drivers
      • KVM (keyboard, video, mouse) switch software



  4. Try an external USB or Bluetooth keyboard to test if it responds correctly.
  • After following the preceding steps and the notebook keyboard still does not work or neither work correctly,Contact Technical Support


Back to Top



The Keyboard Outputs Incorrect Characters


Press the Num Lock Key on Your Dell Laptop

In order to have the functionality of a 101 key keyboard on an 85 key laptop, the Num Lock key activates the 10 key keypad functions that would normally reside on the right side of a standard keyboard. Simply press <Num Lock> again to go back to normal operation 

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Change the Keyboard Language Setting in Windows
  1. Change the Keyboard Language Setting in Windows. 

    (Refer to the Table of Contents for help determining which Operating System installed on this computer.) 
    For Windows 7, refer to the Microsoft Knowledge Base Article, Add or change an input language  
    For Windows Vista, refer to the Microsoft Knowledge Base Article, Add an input language  
    For Windows XP
    1. Click Start and then Control Panel
    2. In Control Panel, if you are in Category View, click on Switch to Classic View (top left corner)
    3. Open Regional and Language Options.
    4. Click on the Languages tab.
    5. Under Text services and input languages, click on the Details button.
    6. Under Installed services, click Add.
    7. In the Add Input Language dialog box, choose the input language and keyboard layout or Input Method Editor (IME) you want to add.
    8. Click OK twice. You should now see a language indicator in the System Tray (located at bottom right hand corner of the desktop by default). You can switch between different input languages (= keyboard languages) by pressing the Alt + Shift keys


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Issue 2: Troubleshooting Dell External Wireless 
or Bluetooth Keyboards and Mice




The Wireless Mouse Cursor Has Erratic Movement 
or Is Not Moving
  1. Reinsert the batteries or install fresh batteries, for more information on how to install the batteries refer to theKeyboard Manuals.
    (Make sure the red light on the bottom of the mouse is on).



  2. Make sure the opening on the bottom of the mouse is clean.



  3. Make sure the mouse is within 10 feet (3 meters) of the computer.



  4. Make sure the surface you are using has enough of a pattern in it so that the mouse can see it, a mouse pad is best, (the mouse judges movement by reflections, a uniform surface is harder for the mouse to tell when it has moved).



  5. Reseat the receiver in the USB port.



  6. Restart the computer.



  7. Press the Connect button on the receiver and on the bottom of the mouse. 



  8. Try the receiver in another USB port on the computer, (make sure to press the Connect button on the receiver and on the bottom of the mouse again).



  9. Try the receiver in another computer if available, (make sure to press the Connect button on the receiver and on the bottom of the mouse again).


Back to Top




The Wireless Mouse Scroll Wheel Has Erratic Movement 
or Is Not Moving the Page
  1. Reseat the USB mouse cable into the USB port and test the scroll wheel.



  2. Turn off the computer.



  3. Unplug any devices, including the following: 

    • Speakers
    • Printers
    • Scanners
    • Other USB devices except the keyboard
    • Personal Digital Assistants (PDAs)
    • USB flash drive or other external storage devices



  4. Make sure the area around the scroll wheel is clean.



  5. Turn the computer back on and retest the mouse.

    • When the scroll wheel does work correctly, attach one external device at a time and test the mouse to see which one may have caused the issue.



  6. Try the USB mouse in another USB port on the computer.



  7. Try the USB mouse in another computer if available.



  8. Try another USB mouse from another computer if available.
 Note:
When the USB port does not recognize any devices attracted to it, refer to the Dell Knowledge base article USB Connectivity Issues.


Back to Top




Keys on the Wireless Keyboard Are Typing Characters Intermittently 
or Not at All
  1. Reinsert the batteries or install fresh batteries.



  2. Make sure the keyboard is within 10 feet (3 meters) of the computer.



  3. Reseat the receiver in the USB port.



  4. Restart the computer.



  5. Press the Connect button on the receiver and on the bottom of the keyboard. 



  6. Try the receiver in another USB port on the computer, (make sure to press the Connect button on the receiver and on the bottom of the keyboard again).



  7. Try the receiver in another computer if available, (make sure to press the Connect button on the receiver and on the bottom of the keyboard again).


Back to Top



The Bluetooth® Mouse Cursor Has Erratic Movement 
or Is Not Moving
  1. Reinsert the batteries or install fresh batteries, for more information on how to install the batteries refer to theKeyboard Manuals.
    (Make sure the red light on the bottom of the mouse is on).



  2. Make sure the opening on the bottom of the mouse is clean.



  3. Make sure the mouse is within 10 feet (3 meters) of the computer.



  4. Make sure the surface you are using has enough of a pattern in it so that the mouse can see it, a mouse pad is best, (the mouse judges movement by reflections, a uniform surface is harder for the mouse to tell when it has moved).



  5. Restart the computer.



  6. Install the latest Bluetooth drivers, for more information refer to, 
    Fix, Connect to and Learn About Bluetooth®



  7. Re-pair the mouse to the computer for more information refer to, 
    Fix, Connect to and Learn About Bluetooth®



Back to Top




The Bluetooth Mouse Scroll Wheel Has Erratic Movement 
or Is Not Moving the Page
  1. Reseat the USB mouse cable into the USB port and test the scroll wheel.



  2. Turn off the computer.



  3. Unplug any devices, including the following: 

    • Speakers
    • Printers
    • Scanners
    • Other USB devices except the keyboard
    • Personal Digital Assistants (PDAs)
    • USB flash drive or other external storage devices



  4. Make sure the area around the scroll wheel is clean.



  5. Turn the computer back on and retest the mouse.

    • When the scroll wheel does work correctly, attach one external device at a time and test the mouse to see which one may have caused the issue.



  6. Try the USB mouse in another USB port on the computer.



  7. Try the USB mouse in another computer if available.



  8. Try another USB mouse from another computer if available.
 Note:
When the USB port does not recognize any devices attracted to it, refer to the Dell Knowledge base article USB Connectivity Issues.


Back to Top



Keys on the Bluetooth Keyboard Are Typing Characters Intermittently 
or Not at All
  1. Reinsert the batteries or install fresh batteries.



  2. Make sure the keyboard is within 10 feet (3 meters) of the computer.



  3. Restart the computer.



  4. Install the latest Bluetooth drivers, for more information refer to, 
    Fix, Connect to and Learn About Bluetooth®



  5. Re-pair the mouse to the computer for more information refer to, 
    Fix, Connect to and Learn About Bluetooth®



Back to Top



Issue 3: Troubleshooting Dell USB Keyboards and Mice


The Wired Mouse Cursor Has Erratic Movement or Is Not Moving
  1. Reseat the USB mouse cable into the USB port and test the mouse, (look for a red light on the bottom of the mouse, except for a laser mice or one that has a ball).



  2. Turn off the computer.



  3. Unplug any devices, including the following: 

    • Speakers
    • Printers
    • Scanners
    • Other USB devices except the keyboard
    • Personal Digital Assistants (PDAs)
    • USB flash drive or other external storage devices



  4. Make sure the opening on the bottom of the mouse is clean.



  5. Turn the computer back on and retest the mouse.

    • When the mouse does work correctly, attach one external device at a time and test the mouse to see which one may have caused the issue.



  6. Make sure the surface you are using has enough of a pattern in it so that the mouse can see it, a mouse pad is best, (the mouse judges movement by reflections, a uniform surface is harder for the mouse to tell when it has moved).



  7. Try the USB mouse in another USB port on the computer.



  8. Try the USB mouse in another computer if available.



  9. Try another USB mouse from another computer if available.
     Note:
    When the USB port does not recognize any devices attracted to it, refer to the Dell Knowledge base article USB Connectivity Issues.



  10. Refer to the Microsoft Knowledge Base article, Mouse, touchpad, and keyboard problems in Windows. 


Back to Top




Keys on the Wired Keyboard Are Typing Characters Intermittently 
or Not at All


 Note:
  • When typing on the number pad on the right side of the keyboard and no numbers appear press the <Num Lock> key and try again.
    1. Reseat the USB keyboard cable into the USB port and test the keyboard.



    2. Turn off the computer.



    3. Unplug any devices, including the following: 

      • Speakers
      • Printers
      • Scanners
      • Other USB devices except the mouse
      • Personal Digital Assistants (PDAs)
      • USB flash drive or other external storage devices



    4. Turn the computer back on and retest the keyboard.

      • When the keyboard does work correctly, attach one external device at a time and test the keyboard to see which one may have caused the issue.
      • When a specific key is not working, turn off the computer and use a can of compressed air to clean around the problem key and then retest the keyboard.
      • If the problem only occurs in a specific application program, try another application program, such as Notepad and then test the keyboard. If the problem only occurs in a particular program, you may need to troubleshoot that particular program.
      • Uninstall or disable any software that may change how the keyboard operates. This software includes:
        • Keyboard macro programs
        • External keyboard drivers
        • KVM (keyboard, video, mouse) switch software



    5. Try the USB keyboard in another USB port on the computer.



    6. Try the USB Keyboard in another computer if available.



    7. Try another USB mouse from another computer if available.
     Note:
    When the USB port does not recognize any devices attracted to it, refer to the Dell Knowledge base article USB Connectivity Issues.


    Back to Top



    The Scroll Wheel Has Erratic Movement 
    or Is Not Moving the Page
    1. Reseat the USB mouse cable into the USB port and test the scroll wheel.



    2. Turn off the computer.



    3. Unplug any devices, including the following: 

      • Speakers
      • Printers
      • Scanners
      • Other USB devices except the keyboard
      • Personal Digital Assistants (PDAs)
      • USB flash drive or other external storage devices



    4. Make sure the area around the scroll wheel is clean.



    5. Turn the computer back on and retest the mouse.

      • When the scroll wheel does work correctly, attach one external device at a time and test the mouse to see which one may have caused the issue.



    6. Try the USB mouse in another USB port on the computer.



    7. Try the USB mouse in another computer if available.



    8. Try another USB mouse from another computer if available.
       Note:
      When the USB port does not recognize any devices attracted to it, refer to the Dell Knowledge base article USB Connectivity Issues.



    9. Refer to the Microsoft Knowledge Base article, Mouse, touchpad, and keyboard problems in Windows. 


    Back to Top



    The Keyboard Outputs Incorrect Characters

    1. Change the Keyboard Language Setting in Windows. 

      (Refer to the Table of Contents for help determining which Operating System installed on this computer.) 
      For Windows 7, refer to the Microsoft Knowledge Base Article, Add or change an input language  
      For Windows Vista, refer to the Microsoft Knowledge Base Article, Add an input language  

      For Windows XP
      1. Click Start and then Control Panel
      2. In Control Panel, if you are in Category View, click on Switch to Classic View (top left corner)
      3. Open Regional and Language Options.
      4. Click on the Languages tab.
      5. Under Text services and input languages, click on the Details button.
      6. Under Installed services, click Add.
      7. In the Add Input Language dialog box, choose the input language and keyboard layout or Input Method Editor (IME) you want to add.
      8. Click OK twice. You should now see a language indicator in the System Tray (located at bottom right hand corner of the desktop by default). You can switch between different input languages (= keyboard languages) by pressing the Alt + Shift keys


    Back to Top



    Issue 4: Troubleshooting a Slow Moving Cursor

    1. Change the mouse settings in Control Panel.

      (Refer to the Table of Contents for help determining which Operating System installed on this computer.) 
      For Windows 7, refer to the Microsoft Knowledge Base Article, Change mouse settings 
      For Windows Vista, refer to the Microsoft Knowledge Base Article, Change mouse settings 
      Windows XP, refer to the Microsoft Knowledge Base Article, Customize your mouse settings (English only)



    2. Reinstall the Dell touchpad drivers (Refer to section 4) or mouse drivers that typically come along withnon Dell specialty mice



    3. When using an external mouse reseat the cable or receiver into the USB port and test the cursor movement.



    4. Turn off the computer.



    5. Unplug any devices, including the following: 

      • Speakers
      • Printers
      • Scanners
      • Other USB devices except the keyboard
      • Personal Digital Assistants (PDAs)
      • USB flash drive or other external storage devices



    6. Turn the computer back on and retest the cursor movement.

      • When the cursor does work correctly, attach one external device at a time and test the cursor movement to see which one may have caused the issue.



    7. Make sure the opening on the bottom of the mouse is clean or when using the internal touchpad, make sure it is clean.



    8. Make sure the surface you are using has enough of a pattern in it so that the mouse can see it, a mouse pad is best, (the mouse judges' movement by reflections, a uniform surface is harder for the mouse to tell when it has moved, unless you are using the internal touchpad).



    9. When using an external mouse try the cable or receiver in another USB port on the computer and retest the cursor movement.



    10. When using an external mouse try the cable or receiver in another computer if available and retest the cursor movement.



    11. When using an external mouse try another cable or receiver from another computer if available and retest the cursor movement.



    12. Start the computer in Safe Mode and test the cursor movement (when the cursor work correctly, it means there is some sort of software causing the curser to move very slowly, first try a System Restore to the time the cursor was working correctly, if that does not fix the issue, remove any software that was installed since the last time the cursor worked correctly).

      1. With the computer off, press the <Power> button and watch for the Dell logo to appear. 



      2. When the Dell logo appears, press the <F8> key to load the Boot Menu. If the menu does not appear, restart the system and tap <F8> several times at the Dell logo screen. 



      3. Use the Up arrow  or Down arrow  to highlight Safe Mode.



      4. Press <Enter> (you may have to press <Enter> again to select the Operating System, select your user name or click OK).



    13. Refer to the Microsoft Knowledge Base article, Mouse, touchpad, and keyboard problems in Windows. 


    Back to Top



    Issue 5: How to Disable or Enable the Notebook Touchpad


    At times you may want to disable the notebook touchpad, whether is hard to use accidently moves the cursor when you are typing or you always use an external mouse (make sure to have an external mouse connected and working before disabling your mouse).

  • Some computers have a touchpad disable and enable hot key, refer to Dell Knowledge Base article "Disabling or Enabling the Touchpad Using the Hot Key" to see if your computer has this hot key and how to use it. 


  • For those computers that do not have the disable/enable hot key, perform the steps below (make sure to have an external mouse connected and working before starting this process).

    1. Make sure the latest driver for the touchpad is installed, for more information refer to Dell Knowledge Base article"How to Use the Drivers and Downloads Website" 
       Note:
      The touchpad drivers are located in the Input section, listed as Dell Touchpad / Pointing Stick, Alps - Driver or Synaptics - Driver.



    2. Click Start.



    3. In the Search box type main.cpl, click main.cpl in the list of programs.

      • In Windows XP click Run, type main.cpl in the box next to Open, click OK.



    4. Click the Dell Touchpad tab.



    5. Click on the picture of the touchpad.



    6. Click Device Select.



    7. Click to check the box to the left of Disable Touchpad / Pointing Stick when external USB mouse is present to disable the touchpad. Uncheck the box to enable the touchpad.



    8. Click Apply, then click OK.



    9. Click the X in the upper-right corner to close the Dell Touchpad Utility.
    Back to Top

    Issue 6: Troubleshooting A Notebook Keyboard Key 
    That Has Come Off



    It is possible for the keycap on the internal keyboard to get stuck or come off in the course of using a notebook computer. To put the keycap back on the notebook: 
    Dell has created an online tutorial on how to put the keycap back on the notebook. 
    Click here to view the tutorial!  - NOTE: English Only
    1. Determine how the keycap connects to the notebook system. 

      • Underneath the keycap is a rubber plunger and a plastic scissor spring (see Figure 1 and Figure 2).

       
      Figure 1: Bottom of Keycap, Scissor, and Plunger on a Notebook Internal Keyboard 

       
      Figure 2: Notebook Internal Keyboard with the Scissor in the Raised Position

      • One style of notebook keyboard also includes a scissor support bar (see Figure 3).



      Figure 3: Optional Support on Notebook Keyboard

  • Carefully line up the keycap on top of the plastic scissor and press down (see Figure 4).

     
    Figure 4: Lining up a Keycap and Pressing Down

    Note:
    You might need to wiggle your finger back and forth for the keycap to snap down on the scissor spring. There are two "snaps," one at the top and one at the bottom of the key.

  • If there is a scissor support bar and it has come loose, clip the lower part of the bar on first under the bottom scissor rail, then snap the upper part over the top scissor rail before lining up the keycap to reattach it (Figure 5). 

     
    Figure 5: Clipping the Support Bar Under the Bottom Rail



    • If the keyboard keys are broken, damaged or lost and the above instructions do not resolve the issue,Contact Technical Support

    Back to Top

    Issue 7: Keyboard Hotkeys and Sound Controls


  • Internet Keys
  • Multimedia Keys
  • Notebook Keys
  • Audio Cluster
  • Audio Controls
  • Sound Wheel
  • Link to Keyboard Manuals



    Internet Keys


    For information on a button's action, locate it in Table 1
    (Not all keyboards have every button shown) 

    Button Action
    Go to the Home Internet page
    Launch E-mail Application Launch E-mail
    Go to Web page or Web menu Go to Web page or Web menu (configured by software)
    Start Web Search Start Web Search
    Table 1: Internet Keys 

    Back to Top

    Multimedia Keys


    For information on a button's action, locate it in Table 2
    (Not all keyboards have every button shown) 

    Button Action
    Mute Sound orMute Sound Mute Sound
    Volume Down orVolume Down Volume Down
    Volume Up orVolume Up Volume Up
    Play / Pause orPlay / Pause Play / Pause
    Mute Sound orStop Media Stop
    Previous or Previous
    Next orNext Next
    Audio Key Audio Key
    (starts Windows Media Player)
    CD/DVD Ejection Key - Quickset may need to be installed before this key will work.
    (You may have to Press and hold the <Fn> key first, for it to work)
    Table 2: Multimedia Keys 

    Back to Top

    Notebook Keys


    For information on a button's action, locate it in Table 3
    (Not all keyboards have every button shown) 

    Button Action
    Number Lock Number Lock
    (You may have to press and hold the <Fn> key first, for it to work.)
    Scroll Lock Scroll Lock
    (You may have to press and hold the <Fn> key first, for it to work.)
    Brighten Display Brighten Display - Tap it to brighten the display.
    (You may have to press and hold the <Fn> key first, for it to work.)
    Dim Display Dim Display - Tap it to dim the display.
    (You may have to press and hold the <Fn> key first, for it to work.)
    External Display External Display - Pressing this key toggles between an external or internal monitor or both.
    (You may have to press and hold the <Fn> key first, for it to work.)
    Disc Eject CD/DVD Ejection - This key only works if Quickset is installed.
    (You may have to press and hold the <Fn> key first, for it to work.)
    Standby Standby - This key only works if Quickset or Dell ContolPoint is installed depending on your model.
    (You may have to press and hold the <Fn> key first, for it to work.)
    Battery Battery Status - This key only works if Quickset or Dell ContolPoint is installed depending on your model.
    (You may have to press and hold the <Fn> key first, for it to work.)
    Battery Charging Battery Charging - Allows you to disable battery charging until the next reboot. It has no effect on battery usage. This key only works if Dell ContolPoint is installed.
    (You may have to press and hold the <Fn> key first, for it to work.)
    Fn Key Fn Key - Fn stands for function, pressing and holding this key allows you access the alternative function of a key. It is typically located between the CTRL and Windows key on the lower-left of the keyboard. 
    (The alternative function is under the main function of the key and may have blue letters, for more information refer to the pictures above for descriptions of what the key does.)
    Latitude ON Latitude ON:
  • Boots to the Latitude ON module or Reader if installed when the computer is off.
  • Reboots from Windows to the Latitude ON module or Reader if installed (Dell ContolPoint has to be installed).
  • Disables and Enables the Touchpad on some computers. Press and hold the <Fn> key then press the <F3> key.

    Disables and Enables the Touchpad on some computers. Press the <F6> key.

    Disables and Enables the Touchpad on some computers. Press the Touchpad Disable/Enable key,
    (the key is located to the right of the <F12> key).
    Table 3: Notebook Keys 

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    Audio Cluster


    If the buttons and knob on your keyboard do not look the picture below, refer to the Audio Controls or Sound Volume Wheel section. 

     
    Figure 6: Audio Controls
    Numbers reference image above:
    Mute On / Off
    Media Stop
    Previous Track
    Volume Knob - Volume Up / Volume Down (turns right to left, not a push button)
    Next Track
    Play / Pause
    Audio Key (starts Windows Media Player)

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    Audio Controls


    If the buttons and knob on your keyboard do not look the picture below, refer to the Audio Cluster or Sound Volume Wheel section. 

     
    Figure 7: Audio Cluster
    Numbers reference image above:
    Volume Knob - Volume Up / Volume Down (turns right to left, not a push button)
    Audio Key (starts Windows Media Player)
    Media Stop
    Previous Track
    Play / Pause
    Next Track
    Mute On / Off

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    Sound Volume Wheel


    If the buttons and knob on your keyboard do not look the picture below, refer to the Audio Cluster or Audio Controls section. 


    Figure 8: Sound Volume Wheel - Volume Up / Volume Down (turns right to left, not a push button)

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    Issue 8: How to use the Backlit Keyboard on Your Computer


     Note:
    If you computer does not have the symbol noted with the blue dot below, your computer does not have this feature (the key may be in a different location on the keyboard).
    1. Press and hold the <Fn> key (typically between the CTRL and Windows key on the lower-left of the keyboard).



    2. Press the key with the symbol noted with the blue dot (Figure 9).  
      Figure 9: Backlit Keyboard Toggle Key 
      (Pressing the key toggles the keyboard through its three modes, off, dim and bright.) 
     Note:
    On the Dell Adamo press <6> or <7> key to dim or brighten the keyboard.

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    Issue 9: How to Connect a Wired Keyboard or 
    Mouse to Your Computer


    Click on one of the options below whether your computer is a desktop or notebook.
    My Computer is a Desktop
    1. Determine what type of connector your keyboard or mouse has, for more information refer to (Figurw 10)

      PS/2 Connector UUSB Connector
      Figure 10: PS/2 And USB Connectors



    2. Refer to (Figure 11) for the typical location on the back of the computer to connect your keyboard or mouse. 


      Figure 11: PS/2 and USB Port Locations
      Numbers reference image above:
      PS/2 Ports
      USB Ports
     Note:
    The connectors only go in one way, if it does not seem to fit, adjust the angle or flip the connector over.

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    My Computer is a Notebook

    1. Look at the connector on the end of the keyboard or mouse cable.



    2. Look for a matching port and USB symbol on the notebook, for more for more information refer to (Figure 12).. 


      Figure 12: USB Port Locations br 
       Note:
      The connectors only go in one way, if it does not seem to fit, flip the connector over.

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    Issue 10: How to Clean Your Keyboard or Mouse



    Cleaning the Keyboard


    • Turn off the computer and unplug the keyboard. Turn the keyboard upside down and gently shake it. Most of the crumbs and dust will fall out. Take a can of compressed air and blow into and around the keys. Next, take a cotton swab and dip it in rubbing alcohol. It should be damp, but not wet. Run the cotton swab around the outside of the keys. Rub the tops of the keys. If you have a laptop, follow the same procedure but take extra care with your machine. Do this monthly. When finished plug the keyboard back in and turn your computer on.

    • If a spill happens on the keyboard, immediately turn off your computer, disconnect the keyboard, and flip it over. While the keyboard is upside down, blot the top with a paper towel, blow compressed air between the keys and leave it to air dry overnight. 

    • Notebook spills need more attention because liquid can easily penetrate past the keyboard and damage internal parts. For notebook spills, turn the computer over immediately, turn off the computer and remove any external power source and other items plugged into it, also remove the battery. Blot the notebook with a paper towel, leave it upside-down to air dry overnight. If after leaving the notebook upside-down overnight the notebook does not start or work correctly Contact Technical Support, (Spills are only covered under warranty if your warranty includes the Complete Care or Accidental Damage Service option).

       Note:
      For all spills, be aware that anything other than plain water may cause severe damage, and never attempt to dry a keyboard or notebook in a microwave or conventional oven.

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    Cleaning Your Optical Mouse


    • Turn off the computer and unplug the mouse. Look at the lens on the bottom of the optical mouse. If you see any debris see if you can blow it off with a can of compressed air. If not take a cotton swab or terry cloth rag and dip it in rubbing alcohol. It should be damp, but not wet and lightly clean the lens.

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    Cleaning Your Ball Mouse


    • Turn off the computer and unplug the mouse. Open the bottom and remove the ball. Wash the ball with water and let it air dry. To clean inside of the mouse, dip a cotton swab in rubbing alcohol and rub all of the components. Scrape hard-to-remove grime with your fingernail. Finally, blow air into the opening. Replace the ball and the cover. Do this monthly. When finished plug the mouse back in and turn your computer on.

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    Issue 11: Non Dell Keyboards and Mice

    If you have a mouse or keyboard that does not have the Dell name on it, contact the manufacturer. The third party printer vendor web sites may be referenced below (Table 5) for additional information on the drivers available for the non-Dell mice and keyboards.
    Mouse and Keyboard Vendor Web Site
    3Dconnexion wwww.3dconnexion.com/
    Adesso www.adesso.com/
    Belkin www.belkin.com//
    IBM www.ibm.com/
    IOGEAR www.iogear.com/
    Kensington www.kensington.com/
    Keytronic www.keytronic.com/
    Kyocera www.kyoceramita.com
    Logitech www.logitech.com/
    Microsoft www.Microsoft.com
    Table 5: Non Dell Mouse and Keyboard Vendor Web Sites

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