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Dell Dimension 8250 Series |
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To locate additional information for your computer See "Finding Information for Your Computer." |
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CAUTION: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions. |
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CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual. |
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Replace the battery If you have to repeatedly reset time and date information after turning on the computer, or if an incorrect time or date displays during start-up, replace the battery using the instructions in your Owner's Manual. If the battery still does not work properly, contact Dell. See your Owner's Manual for contact information. |
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Ensure that Windows® recognizes the drive Click the Start button and click My Computer. If the floppy drive is not listed, perform a full scan with your antivirus software to check for and remove viruses. Viruses can sometimes prevent Windows from recognizing the drive. |
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Ensure that the disk is not full or write-protected Ensure that the disk has available space and that it is not write-protected (locked). See the following illustration. |
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NOTICE: Do not attempt to clean drive heads with a swab. You may accidentally misalign the heads, which can render the drive inoperable. |
Clean the drive Use a commercially available cleaning kit.
CD drive problems
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HINT: High-speed CD drive vibration is normal and may cause noise. This does not indicate a defect in the drive or the CD. |
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Adjust the Windows volume control Click the speaker icon in the lower-right corner of your screen.
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Test the drive with another CD Insert another CD to eliminate the possibility that the original CD is defective. |
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Check the speakers and subwoofer See "Sound and Speaker Problems." |
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Ensure that Windows recognizes the drive Click the Start button and click My Computer. If the CD drive is not listed, perform a full scan with your antivirus software to check for and remove viruses. Viruses can sometimes prevent Windows from recognizing the drive. |
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Clean the disc See the Tell Me How help file for instructions on cleaning your CDs.To access help files, see "Finding Help Information." |
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Close other programs The CD-RW drive must receive a steady stream of data when writing. If the stream is interrupted, an error occurs. Try closing all programs before writing to the CD-RW. |
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Turn off Standby mode in Windows before writing to a CD-RW disc For information on power conservation modes, see the Tell Me How help file or search for the keyword standby in Windows Help. To access help files, see "Finding Help Information." |
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HINT: Because of different regions worldwide and different disc formats, not all DVD titles work in all DVD drives. |
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Test the drive with another DVD Insert another DVD to eliminate the possibility that the original DVD is defective. |
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Ensure that Windows recognizes the drive Click the Start button and click My Computer. If the DVD drive is not listed, perform a full scan with your antivirus software to check for and remove viruses. Viruses can sometimes prevent Windows from recognizing the drive. |
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Clean the disc See the Tell Me How help file for instructions on cleaning your DVDs. To access help files, see "Finding Help Information." |
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Check for interrupt request conflicts See "Resolving Software and Hardware Incompatibilities." |
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HINT: Connect the modem to an analog telephone jack only. The modem does not operate while it is connected to a digital telephone network. |
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Check the telephone line connection Verify that the telephone line is connected to the jack on the modem. (The jack has either a green label or a connector-shaped icon next to it.) Ensure that you hear a click when you insert the telephone line connector into the modem. |
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Check the telephone jack Disconnect the telephone line from the modem and connect it to a telephone. Listen for a dial tone. |
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Connect the modem directly to the telephone wall jack If you have other telephone devices sharing the line, such as an answering machine, fax machine, surge protector, or line splitter, then bypass them and use the telephone to connect the modem directly to the telephone wall jack. |
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Use a different telephone line If you are using a line that is 3 m (10 ft) or more in length, try a shorter one. |
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Run the Modem Helper diagnostics Click the Start button, point to All Programs, and then click Modem Helper. Follow the instructions on the screen to identify and resolve modem problems. (Modem Helper is not available on all computers.) |
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Verify that the modem is communicating with Windows®
If all commands receive responses, the modem is operating properly. |
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Turn off call waiting (catch-phone) See your telephone directory for instructions on deactivating this feature. Then adjust the dial-up networking connection properties.
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Ensure that you are connected to the Internet With the Outlook Express e-mail program open, click File. If Work Offline has a checkmark next to it, click the checkmark to remove it and connect to the Internet. |
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Ensure that you have subscribed to an Internet service provider Contact an Internet service provider to subscribe. |
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Contact your Internet service provider Contact your Internet service provider for assistance. |
If the message is not listed, see the documentation for the operating system or the program that was running when the message appeared.
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A filename cannot contain any of the following characters: \ / : * ? " < > | Do not use these characters in filenames. |
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A required .DLL file was not found The program that you are trying to open is missing an essential file. To remove and then reinstall the program: |
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Insert bootable media The operating system is trying to boot to a nonbootable floppy disk or CD. Insert a bootable floppy disk or CD. |
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Non-system disk error A floppy disk is in the floppy drive. Remove the floppy disk and restart the computer. |
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Not enough memory or resources. Close some programs and try again You have too many programs open. Close all windows and open the program that you want to use. In some cases, you might have to restart your computer to restore computer resources. If so, try running the program that you want to use first. |
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Operating system not found Contact Dell. See your Owner's Manual for contact information. |
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The file being copied is too large for the destination drive The file that you are trying to copy is too large to fit on the disk. Try copying the file to a blank disk or using a larger-capacity disk. |
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x:\ is not accessible. The device is not ready The floppy drive cannot read the disk. Insert a floppy disk into the drive and try again. |
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Turn the computer off If your computer locks up and you are unable to get a response by pressing a key on your keyboard or moving your mouse, press and hold the power button for at least 8 to 10 seconds until the computer turns off. Then press the power button again to turn on the computer. You might lose data if you are unable to perform an operating system shutdown. |
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HINT: Software usually includes installation instructions in its documentation or on a floppy disk or CD. |
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Check the software documentation Many software manufacturers maintain websites with information that may help you solve the problem. Ensure that you properly installed and configured the program. If necessary, uninstall and then reinstall the program. |
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Run the Program Compatibility Wizard Windows XP provides a Program Compatibility Wizard that configures a program so it runs in an environment similar to non-Windows XP operating system environments. |
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Turn the computer off If the computer does not respond to a keystroke or a proper shutdown, press the power button for at least 8 to 10 seconds until the computer turns off. Press the power button again to restart the computer. The chkdsk program automatically runs during the start-up process. Follow the instructions on the screen. |
| Check the software documentation or contact the software manufacturer for troubleshooting information |
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Back up your files immediately If your computer has a CD-RW drive or a zip drive installed, see the drive's documentation for instructions. |
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Ensure that you have not made an error while entering data See the program documentation to make sure that the values or characters you are entering are valid. |
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Check for viruses Use a virus-scanning program to check the hard drive, floppy disks, or CDs. |
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Restart the computer Save and close any open files, exit any open programs, and then shut down your computer through the Start menu instead of pressing the power button. Otherwise, you may lose data. |
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Ensure that you properly installed and configured the program See the software documentation for information. If necessary, uninstall and then reinstall the program. |
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Go to the Dell Support website Go to support.dell.com for help with general usage, installation, and troubleshooting questions.The support website offers several different tools to help you, such as Dell Foruma chat room where you can communicate with other Dell customers about their computers and gain access to technical support through e-mail. See "Finding Information for Your Computer" for more information about the website. See "Dell Technical Support Policy (U.S. Only)" in your Owner's Manual for a description of the hardware and software support provided by Dell. |
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Call Dell If you cannot solve your problem using the Dell Support website or e-mail service, call Dell for technical assistance. See your Owner's Manual for contact information. See "Dell Technical Support Policy (U.S. Only)" in your Owner's Manual for a description of the hardware and software support provided by Dell. |
If your computer exhibits one or more of the following symptoms, a device conflict may exist:
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Remove any recently added hardware to see if it resolves the conflict If removing the hardware resolves the conflict, see the hardware documentation for configuration and troubleshooting instructions. If the problem persists, contact the hardware manufacturer for technical assistance. |
| Check your operating system documentation for additional troubleshooting information |
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Check for interrupt request conflicts See "Resolving Software and Hardware Incompatibilities." |
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HINT: Check Windows Explorer to see if your device is listed as a drive. |
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Check the IEEE 1394 device Ensure that the IEEE 1394 device is properly inserted into the connector. |
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Ensure that the IEEE 1394 device is recognized by Windows® If your IEEE 1394 device is listed, Windows recognizes the device. |
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If you have problems with a Dell-provided IEEE 1394 device Contact Dell. See your Owner's Manual for contact information. |
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If you have problems with a IEEE 1394 device not provided by Dell Contact the IEEE 1394 device manufacturer. |
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Test the keyboard Connect a properly working keyboard to the computer, and try using the keyboard. If the new keyboard works, the original keyboard is faulty. |
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Check for interrupt request conflicts See "Resolving Software and Hardware Incompatibilities." |
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If you connected the mouse before turning on the computer, reconnect the mouse cable |
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If you connected the mouse after turning on the computer, remove the power cable, and then reconnect the mouse cable If the mouse is connected after the power is turned on, the mouse appears to be nonfunctional. To make the mouse function properly:
Pressing the power button does not clear the computer's settings and does not restore mouse functionality. |
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Test the mouse Connect a properly working mouse to the computer, and try using the mouse. If the new mouse works, the original mouse was faulty. |
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Check for interrupt request conflicts See "Resolving Software and Hardware Incompatibilities." |
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Check the network cable connector Ensure that the network cable is connected. |
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Check the network lights on the back of the computer
Note that the lights do not function if the Low Power Mode option is set to Enabled in the system setup program and the computer is turned off, or if a faulty network cable is connected to the network adapter. |
| Restart the computer and try to log on to the network again |
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Check your network settings Contact your network administrator or the person who set up your network to verify that your network settings are correct and that the network is functioning. |
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Check for interrupt request conflicts See "Resolving Software and Hardware Incompatibilities." |
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CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual. |
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Adjust the Power Properties Your computer may be in standby or hibernate mode. For information on power conservation modes, see the Tell Me How help file, or search for the keyword standby or hibernate in Windows® Help. To access help files, see "Finding Help Information." |
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If the power light is green and the computer is not responding See "Diagnostic Lights." |
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If the power light is blinking green The computer is in standby mode. Press a key on the keyboard or move the mouse to resume normal operation. |
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If the power light is off The computer is either turned off or is not receiving power.
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If the power light is amber and green The computer is receiving electrical power, but an internal power problem might exist.
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If the power light is steady amber The computer is receiving electrical power, but an internal power problem might exist.
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If the power light is blinking amber A device might be malfunctioning or incorrectly installed.
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Eliminate interference Electrical appliances on the same circuit or operating near the computer can cause interference. Other causes of interference are:
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HINT: Dell does not cover the printer's warranty. If you need technical assistance for your printer, call the printer's manufacturer. See the printer documentation for the correct phone number. |
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Check the printer documentation See the printer documentation for setup and troubleshooting information. |
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Ensure that the printer is turned on See the printer documentation for power button information. |
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Verify the printer cable connections
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Test the electrical outlet Ensure that the electrical outlet is working by testing it with another device, such as a lamp. |
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Verify that the printer is recognized by Windows®
If the printer is listed, right-click the printer icon. |
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Reinstall the printer driver See the printer documentation for instructions. |
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HINT: Dell does not cover the scanner's warranty. If you need technical assistance for your scanner, call the scanner's manufacturer. See the scanner documentation for the correct phone number. |
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Check the scanner documentation See the scanner documentation for setup and troubleshooting information. |
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Unlock the scanner Ensure that your scanner is unlocked if it has a locking tab or button. |
| Restart the computer and try the scanner again |
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Verify that the scanner is recognized by Microsoft® Windows®
If your scanner is listed, Windows recognizes the scanner. |
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Reinstall the scanner driver See the scanner documentation for instructions. |
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HINT: The volume control in some MP3 players overrides the Windows® volume setting. If you have been listening to MP3 songs, ensure that you did not turn the player volume down or off. |
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Check the speaker cable connections Ensure that the speakers are connected as shown on the setup diagram supplied with the speakers. |
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Ensure that the subwoofer and the speakers are turned on See the setup diagram supplied with the speakers. If your speakers have volume controls, adjust the volume, bass, or treble to eliminate distortion. |
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Adjust the Windows volume control Click or double-click the speaker icon in the lower-right corner of your screen. Ensure that the volume is turned up and that the sound is not muted. |
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Disconnect headphones from the headphone connector Sound from the speakers is automatically disabled when headphones are connected to the computer's front-panel headphone connector. |
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Test the electrical outlet Ensure that the electrical outlet is working by testing it with another device, such as a lamp. |
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Enable digital mode Your speakers do not work if the CD drive is operating in analog mode. To enable digital mode: |
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Eliminate possible interference Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference. |
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Run the speaker diagnostics Some speaker systems have self- diagnostics. See the speaker documentation for diagnostics instructions. |
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Reinstall the audio (sound) driver See "Reinstalling Drivers." |
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Check for interrupt request conflicts See "Resolving Software and Hardware Incompatibilities." |
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Check the headphone cable connection Ensure that the headphone cable is securely inserted into the headphone connector. |
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Disable digital mode Your headphones do not work if the CD drive is operating in digital mode. To disable digital mode: |
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Adjust the Windows volume control Click or double-click the speaker icon in the lower-right corner of your screen. Ensure that the volume is turned up and that the sound is not muted. |
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HINT: See the monitor documentation for troubleshooting procedures. |
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Check the monitor power light If the power light is off, firmly press the button to ensure that the monitor is turned on. If the power light is lit or blinking, the monitor has power. If the power light is blinking, press a key on the keyboard or move the mouse. |
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Check the monitor cable connection Check the connector for bent or broken pins. (It is normal for monitor cable connectors to have missing pins.) Ensure that the video cable is connected as shown on the setup diagram for your computer. |
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Test the electrical outlet Ensure that the electrical outlet is working by testing it with another device, such as a lamp. |
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Swap the power cables Swap the computer and monitor power cables to determine if the power cable is defective. |
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Test the video extension cable (if used) If you are using a video extension cable and removing the cable solves the problem, the cable is defective. |
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Test another monitor If another monitor is available, connect it to the computer. |
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Check the monitor settings See the monitor documentation for instructions on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor, and running the monitor self-test. |
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Move the subwoofer away from the monitor If your speaker system includes a subwoofer, ensure that the subwoofer is at least 60 cm (2 ft) away from the monitor. |
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Move the monitor away from external power sources Fans, fluorescent lights, halogen lamps, and other electrical devices can cause the screen image to appear "shaky." Turn off nearby devices to check for interference. |
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Rotate the monitor to face a different direction Eliminate sunlight glare, which can cause poor picture quality. |
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Restore the recommended settings Restore the original resolution and refresh rate settings. See the Tell Me How help file for instructions. To access help files, see "Finding Help Information." |