Dell Precision 350 - Manual (Page 92)

l A recently added device does not work.
l Memory parity errors occur on parity-enabled computers.
l A sound card emits noise or demonstrates other problems.
l Unintelligible characters print from the printer.
l The mouse pointer does not move or "stutters" when it moves.
l Messages appear stating that the computer is not operating at maximum performance.
l Errors occur and programs crash for no apparent reason.
l Nothing displays on the monitor.
IEEE 1394 Device Problems
Keyboard Problems
Fill out the Diagnostics Checklist as you complete these checks.
Memory Problems
Mouse Problems
Fill out the Diagnostics Checklist as you complete these checks.
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
Check for interrupt request conflicts — See " Resolving Software and Hardware Incompatibilities ."
NOTE: Check Windows Explorer to see if your device is listed as a drive.
Check the IEEE 1394 device — Ensure that the IEEE 1394 device is properly inserted into the connector.
Ensure that the IEEE 1394 device is recognized by Windows® —
1. Click the Start button.
2. Click Control Panel.
3. Click Printers and Other Hardware.
If your IEEE 1394 device is listed, Windows recognizes the device.
If you have problems with a Dell-provided IEEE 1394 device — Contact Dell .
If you have problems with a IEEE 1394 device not provided by Dell — Contact the IEEE 1394 device manufacturer.
Restart the computer —
l If the mouse is functioning, shut down the computer through the Start menu. After the computer shuts down, press the power button
to restart the computer.
l If the computer does not respond to a keystroke or the mouse, 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.
Check the keyboard cable —
l Ensure that the keyboard cable is firmly connected to the computer.
l Ensure that the keyboard cable is firmly connected to the computer.
l Check the cable connector for bent or broken pins and for damaged or frayed cables. Straighten bent pins.
l Remove keyboard extension cables and connect the keyboard directly to the computer.
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.
Check the keyboard switch setting — Some keyboards have switch settings are on the bottom of the keyboard, sometimes behind a panel.
Ensure that the switch is set to PS/2, Enhanced XT/AT, or PC/AT. See the keyboard documentation for recommended settings.
Run the Dell Diagnostics — If any of the diagnostics tests fail, contact Dell .
Check for interrupt request conflicts — See " Resolving Software and Hardware Incompatibilities ."
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the System Information Guide.