Chapter 4
161
External Mouse Failure
If an external
Mouse
fails, perform the following actions one at a time to correct the problem.
1.
Try an alternative mouse.
2.
If the mouse uses a wireless connection, insert new batteries and confirm there is a good connection. See
the mouse user manual.
3.
If the mouse uses a USB connection, try an alternate USB port.
4.
Try an alternative program to verify mouse operation. Reinstall the program experiencing mouse failure.
5.
Restart the computer.
6.
Remove any recently added hardware and associated software.
7.
Remove any recently added software and reboot.
8.
Restore system and file settings from a known good date using
System
Restore
.
If the issue is not fixed, repeat the preceding steps and select an earlier time and date.
9.
Run the Event Viewer to check the events log for errors. For more information see Windows Help and
Support.
10.
Roll back the mouse driver to the previous version if updated recently.
11.
Remove and reinstall the mouse driver.
12.
Check the Device Manager to determine that:
•
The device is properly installed. There are no red Xs or yellow exclamation marks.
•
There are no device conflicts.
•
No hardware is listed under Other Devices.
13.
If the Issue is still not resolved, see “Online Support Information” on page 229.
Other Failures
If the CRT Switch, Dock, LAN Port, external MIC or Speakers, PCI Express Card, 5-in-1 Card Reader or
Volume Wheel fail, perform the following general steps to correct the problem. Do not replace a non-defective
FRUs:
1.
Check Drive whether is OK.
2.
Check Test Fixture is ok.
3.
Swap M/B to Try.
Summary of Contents for Aspire 4935 Series
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 60: ...50 Chapter 2 ...
Page 68: ...58 Chapter 3 7 Carefully open the HDD Cover ...
Page 95: ...Chapter 3 85 5 Remove the TouchPad Bracket from the Upper Base ...
Page 100: ...90 Chapter 3 5 Lift the USB Board clear of the casing ...
Page 104: ...94 Chapter 3 7 Lift the mainboard right side first to remove from the base ...
Page 112: ...102 Chapter 3 4 Lift the bezel away from the panel ...
Page 115: ...Chapter 3 105 4 Lift the LCD Panel out of the casing as shown ...
Page 122: ...112 Chapter 3 13 Ensure that the securing pin is properly located ...
Page 130: ...120 Chapter 3 7 Insert the cable through the casing to the top side as shown ...
Page 143: ...Chapter 3 133 13 Replace the two securing screws ...
Page 148: ...138 Chapter 3 4 Turn the computer over and replace the six securing screws as shown ...
Page 154: ...144 Chapter 3 ...
Page 193: ...Chapter 6 183 ...
Page 232: ...Appendix A 222 ...
Page 240: ...230 Appendix C ...