serial connector Connects serial devices, such as a mouse or handheld device.
PS/2 connectors (2) Connect PS/2-compatible devices, such as a mouse, keyboard, or external numeric keypad.
Shut down the computer before attaching or removing a PS/2-compatible device. If the device does not work, install the device drivers from the floppy disk or CD that came with the device, and restart the computer.
You can use the integrated keyboard and an external keyboard at the same time. When you attach a PS/2 keyboard or PS/2 numeric keypad, the integrated keypad is disabled.
S/P DIF connector Connects an audio (S/P DIF) cable.
USB 2.0 connectors Connect up to three USB 2.0 compliant devices, such as a USB mouse. A fourth USB connector can be found on the left side of the expansion station.
parallel connector Connects a parallel device such as a printer.
Connect any external devices to electrical outlets.
If you attach an external monitor to the APR, you may need to press <Fn><F8>one or more times to switch the screen image to the desired location. If the computer cover is closed, you can press <Scroll Lck><F8>on an attached external keyboard to switch the image.
You must attach an AC adapter to the APR before you dock and turn on the computer. The AC adapter powers the APR and the computer at the same time. Any battery installed in the computer charges while you are using the APR.
NOTICE: To avoid the possibility of losing data, save any open files before you dock the computer.
NOTICE: Always use the Dell AC adapter that came with the APR. If you use any other commercially
available AC adapter, you may damage the APR or the computer.
Save and close any open files and exit any open programs.
If you have not already done so, connect the AC adapter to the AC adapter connector on the
APR, and plug the AC adapter power cable in to an electrical outlet.
Place the APR so that there is enough flat space in front of it to completely support the
computer when the computer is docked.
Ensure that the slide lock is in the unlocked position (toward the back of the APR).
Hold the computer by its sides and center it against the backstop at the front of the APR.
Lower the computer and move it slightly from side to side until you feel it seated on the
NOTICE: To avoid damaging the computer display, press down only over the hinges.
Push over the hinges until the docking connector clicks into place.
NOTICE: Do not pick up the computer or the APR when the computer is docked. Doing so can damage
the connectors on the computer and on the APR.
After docking, if the computer is turned on, the power button light on the APR turns from amber to green. See the following table for more information on docking control lights. If the light behavior does not match the table, perform the undock process and then dock the computer again.
If the computer was not already turned on, turn it on by pressing the power button on either
the computer or the APR.
If the computer does not turn on or awaken successfully, undock and reseat the computer.
Ensure that the undock request button light is off and the eject button light is green before
ejecting the computer (see Undocking Your Computer).
Antitheft devices usually include a segment of metal-stranded cable with an attached locking device and associated key. For instructions on installing this kind of antitheft device, see the documentation that came with the device.
Move the lock toward the front of the APR (locked position) to secure the computer in the APR. Move the lock toward the back of the APR (unlocked position) before using the eject button. The red color in the security cable slot indicates the unlocked position.
security cable slot
Lets you attach an antitheft device to the APR when the slide lock is in the locked position.
A commercially available antitheft device usually includes a metal cable with an attached locking device and key. For instructions on installing an antitheft device, see the documentation that came with the device.
NOTICE: If the computer is not receiving power from a battery, the computer turns off when you undock
it and you will lose any unsaved data.
Save and close any open files and exit any open programs.
NOTICE: Never undock the computer without first preparing the computer to undock. If you undock
before preparing the computer, you will lose data. If you accidentally undock the computer without first
preparing to undock and your computer stops responding, press the power button until the computer
turns off and restart the computer. Any unsaved data will be lost.
You can undock the computer from the APR while the computer is either in a power
management mode or turned off.
Before you physically remove the computer from the APR, prepare the computer for
If you are using the Windows 2000 operating system, click the Start button and click Eject PC. If you are using Windows XP, click the Start button and click Undock Computer.
Press the undock request button on the APR. The undock request light turns from steady green to blinking green and then turns off.
When the eject button light turns green, the computer is ready to be undocked.
The Dell Diagnostics that came with your Dell computer includes tests that help you troubleshoot the controllers in your APR.
The subtests in the Network Interface test group of the Dell Diagnostics verify the basic operation of the network controller in the APR.
The subtests in the Serial/Infrared Ports test group check the basic operation of the APR Serial/Infrared ports. The subtests in this test group are not intended as a diagnostic test for the external device itself.
The subtests in the USB test group check the basic operation of the external devices (such as a mouse). The subtests in this test group are not intended as a diagnostic test for the external device itself.
For complete instructions on using the Dell Diagnostics, see the documentation that came with your computer.
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