4-6
Troubleshooting
3.
Drain stored power by removing the power cable and the battery pack. Hold the power
button for 10 seconds.
4.
Connect the power cable and reboot the computer.
5.
Connect an external monitor to the computer and switch between the internal display and
the external display by pressing
Fn
+
F5
.
6.
If the POST or video appears on the external display only, refer to the “
LCD Failure”
section on page
4-7
.
7.
Disconnect power and all external devices including port replicators or docking stations.
8.
Remove any memory cards installed.
9.
Start the computer. If the computer boots correctly, add the devices one by one until the
failure point is discovered.
10. Reseat the memory modules.
11. Perform the “
Removing the HDD Module
” procedure described on pages
3-11
.
12. If the issue is still not resolved, refer to the
Online Support Information
on page
8-3
.
Abnormal Video
0
If the video appears abnormal, perform the following one at a time.
1.
Boot the computer.
If permanent vertical/horizontal lines or dark spots appear in the same location, the LCD
panel is faulty and should be replaced. The same goes for when there is extensive pixel
damage (i.e. different colored spots in the same locations on the screen). Perform the
“
Removing the LCD Module
” and “
Removing the Microphone
” procedures described on
pages
3-40
and
3-46
respectively.
NOTE:
NOTE
:
Make sure that the computer is not running on battery alone as this may reduce display
brightness.
2.
Adjust the brightness to its highest level. Refer to the User Manual for instructions on
adjusting the settings. If the display is too dim at the highest brightness setting, the LCD is
faulty and should be replaced. Refer to Disassembly Process.
3.
Check the display resolution is correctly configured:
Minimize or close all Windows.
If display size is only abnormal in an application, check the view settings and
control/mouse wheel zoom feature in the application.
If desktop display resolution is not normal, right-click on the desktop and select
Personalize Display Settings
.
Click and drag the Resolution slider to the desired resolution.
Click
Apply
and check the display. Readjust if necessary.
4.
Roll back the video driver to the previous version if updated.
5.
Remove and reinstall the video driver.
6.
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
Summary of Contents for TravelMate P633-V
Page 1: ...TravelMate P633M P633V SERVICEGUIDE...
Page 10: ...6...
Page 11: ...CHAPTER 1 Hardware Specifications...
Page 14: ...1 4...
Page 52: ...1 42 Hardware Specifications and Configurations...
Page 53: ...CHAPTER 2 System Utilities...
Page 69: ...CHAPTER 3 Machine Maintenance...
Page 72: ...3 4...
Page 130: ...3 62 Machine Maintenance 3 Secure the WLAN antenna cables into the lower case assembly...
Page 158: ...3 90 Machine Maintenance 7 Connect the HDD cable to the mainboard Figure 3 139 HDD Cable...
Page 161: ...CHAPTER 4 Troubleshooting...
Page 191: ...CHAPTER 5 Jumper and Connector Locations...
Page 198: ...5 8 Jumper and Connector Locations...
Page 199: ...CHAPTER 6 FRU List...
Page 215: ...CHAPTER 7 Test Compatible Components...
Page 216: ...7 2 Microsoft Windows 7 Environment Test 7 4...
Page 224: ...7 10 Test Compatible Components...
Page 225: ...CHAPTER 8 Online Support Information...
Page 226: ...9 2...
Page 228: ...8 4 Online Support Information...