Dell Dimension 2350 - Manual (Page 36)

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.
Keyboard Problems
Mouse Problems
Network Problems
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 ."
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 Shut down the computer , reconnect the keyboard cable as shown on the setup diagram for your computer, and then restart 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 for interrupt request conflicts — See " Resolving Software and Hardware Incompatibilities ."
Restart the computer —
1. Simultaneously press <Ctrl><Esc> to display the Start menu.
2. Type u, press the keyboard arrow keys to highlight Shut down or Turn Off, and then press <Enter>.
3. After the computer turns off, press the power button to restart the computer.
reconnect the mouse cable —
1. Simultaneously press <Ctrl><Esc> to display the Start menu.
2. Type u, press the keyboard arrow keys to highlight Shut down or Turn Off, and then press <Enter>.
3. After the computer turns off, reconnect the mouse cable as shown on the setup diagram for your computer.
4. Start the computer.
Check the mouse cable —
l Check the cable connector for bent or broken pins and for damaged or frayed cables. Straighten bent pins.
l Ensure that the cable is firmly connected to the computer.
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.
Check the mouse settings —
1. Click the Start button, click Control Panel, and then click Printers and Other Hardware.
2. Click Mouse.
3. Try adjusting the settings.
Reinstall the mouse driver — See " Reinstalling Drivers ."
Check for interrupt request conflicts — See " Resolving Software and Hardware Incompatibilities ."
Check the network cable connector — Ensure that the network cable is connected as shown in "Setting Up a Home and Office Network" in
your Owner's Manual.
Check the network lights on the back of the computer —
l A solid green connection speed light indicates a 10-Mbps connection; a solid orange connection speed light indicates a 100-Mbps
connection.