Chapter 4
153
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 205.
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.
Содержание 4740G series
Страница 6: ...VI ...
Страница 10: ...X Table of Contents ...
Страница 56: ...46 Chapter 2 ...
Страница 63: ...Chapter 3 53 5 Carefully open the HDD Cover ...
Страница 65: ...Chapter 3 55 5 Remove two 2 screws from the WLAN bracket and lift it clear of the device ...
Страница 90: ...80 Chapter 3 5 Remove the TouchPad Bracket from the Upper Cover ...
Страница 92: ...82 Chapter 3 Step Size Quantity Screw Type Media Board M2 5 3 2 ...
Страница 94: ...84 Chapter 3 5 Lift the FFC to detach the adhesive from the casing 6 Lift the USB Board clear of the casing ...
Страница 97: ...Chapter 3 87 Step Size Quantity Screw Type Bluetooth Module M2 5 3 1 ...
Страница 99: ...Chapter 3 89 7 Lift one edge of the mainboard as shown to remove it from the base ...
Страница 107: ...Chapter 3 97 4 Lift the bezel away from the panel ...
Страница 110: ...100 Chapter 3 4 Lift the LCD Panel out of the casing as shown ...
Страница 117: ...Chapter 3 107 13 Ensure that the securing pin is properly located ...
Страница 129: ...Chapter 3 119 ...
Страница 134: ...124 Chapter 3 4 Turn the computer over Replace the fifteen screws on the bottom panel ...
Страница 141: ...Chapter 3 131 4 Turn the computer over and replace the six 6 securing screws as shown ...
Страница 186: ...176 Chapter 6 ...
Страница 187: ...Chapter 6 177 ...
Страница 208: ...Appendix A 198 ...
Страница 214: ...204 Appendix B ...
Страница 216: ...206 Appendix C ...