Keyboard Problems - Dell OptiPlex GX240 User Manual

If you are using a PS/2 mouse, run the Mouse test in the Pointing
2
Devices device group in the
Did the tests complete successfully?
Yes. Go to step 3.
No.
Contact Dell for technical assistance.
Turn off the computer, connect another mouse to the computer, and
3
then turn the computer on.
If you do not have another mouse,
assistance.
Is the mouse functioning properly?
Yes. The original mouse is defective. The problem is resolved.
No. Contact Dell for technical assistance.

Keyboard Problems

Basic Checks:
• Disconnect the cable from the computer and check the cable
connector for bent or broken pins. Check for damaged or frayed cables.
• If the cable is not damaged, make sure that it is firmly connected to
the computer.
• Check for interference. Keyboard extension cables can cause problems.
• Restart the computer.
If the problem still exists after you complete the basic checks, fill out the
Diagnostic Checklist as you perform the following steps:
Turn off the computer, and then disconnect the keyboard cable and
1
check it for bent or broken pins.
Do you see bent pins?
Yes. If they can be straightened, straighten them and go to step 2. If
they cannot be straightened or are broken, you must replace the
keyboard.
No. Go to step 2.
Reconnect the keyboard to the computer.
2
Make sure the keyboard cable is firmly connected to the computer.
Dell Diagnostics.
contact Dell for technical
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