Dell OptiPlex 170L - Manual (Page 131)

Memory Problems
Mouse Problems
Fill out the Diagnostics Checklist as you complete these checks.
Network Problems
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 tests fail, contact Dell .
Check for interrupt request conflicts — See " Resolving Software and Hardware Incompatibilities ."
CAUTION: Before you begin this procedure, follow the safety instructions in the Product Information Guide.
If you receive an insufficient memory message —
l Save and close any open files and exit any open programs you are not using to see if that resolves the problem.
l Confirm that the computer has sufficient memory to run your programs. See the software documentation for minimum memory
requirements. If necessary, install additional memory.
l Reseat the memory modules to ensure that your computer is successfully communicating with the memory.
l Restart the computer.
l Run the Dell Diagnostics. If any of the diagnostics tests fail, contact Dell .
If you experience other memory problems —
l Reseat the memory modules to ensure that your computer is successfully communicating with the memory.
l Restart the computer.
l Run the Dell Diagnostics. If any of the diagnostics tests fail, contact Dell .
Restart the computer —
1. Simultaneously press to display the Start menu.
2. Type u, press the keyboard arrow keys to highlight Shut down or Turn Off, and then press .
3. After the computer turns off, press the power button to restart 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 —
Windows® XP
1. Click the Start button, click Control Panel, and then click Printers and Other Hardware.
2. Click Mouse.
3. Try adjusting the settings.
Windows 2000
1. Click the Start button, point to Settings, and then click Control Panel.
2. Double-click the Mouse icon.
3. Try adjusting the settings.
If you are using a PS/2 mouse
1. Enter system setup and ensure that Mouse Port under the Integrated Devices option is set to On.
2. Exit system setup and restart the computer.
Reinstall the mouse driver — See " Drivers ."
Run the Dell Diagnostics — If any of the tests fail, contact Dell .
Check for interrupt request conflicts — See " Resolving Software and Hardware Incompatibilities ."