4-4
Troubleshooting
Power On Issues
0
If the system does not power on, perform the following, one at a time, to correct the problem.
Do not replace a non-defective FRU.
Figure 4-1.
Power On Issue
Computer Shuts Down Intermittently
0
If the system powers off at intervals, perform the following.
1.
Makes sure the power cable is properly connected to the computer and the electrical
outlet.
2.
Remove all extension cables between the computer and the outlet.
3.
Remove all surge protectors between the computer and the electrical outlet. Plug the
computer directly into a known serviceable electrical outlet.
4.
Disconnect the power and open the casing to check the thermal module and fan airways
are free of obstructions. Refer to the to the “
Thermal Unit Failure”
section on page
4-17
.
5.
Remove all external and non-essential hardware connected to the computer that are not
necessary to boot the computer to the failure point.
6.
Remove any recently installed software.
7.
If the issue is still not resolved, refer to the
Online Support Information
on page
8-3
.
Содержание TravelMate P643-V
Страница 1: ...TravelMate P643M P643V P643MG SERVICEGUIDE...
Страница 10: ...6...
Страница 11: ...CHAPTER 1 Hardware Specifications...
Страница 14: ...1 4...
Страница 53: ...CHAPTER 2 System Utilities...
Страница 70: ...2 18 System Utilities...
Страница 71: ...CHAPTER 3 Machine Maintenance...
Страница 74: ...3 4...
Страница 83: ...Machine Maintenance 3 13 5 Pull the connector adapter off the module Figure 1 10 ODD Connector Adapter...
Страница 87: ...Machine Maintenance 3 17 6 Pull the HDD from the rubber holder Figure 1 17 HDD Rubber Holder...
Страница 91: ...Machine Maintenance 3 21 6 Remove the WLAN module from the slot Figure 1 24 WLAN Module...
Страница 109: ...Machine Maintenance 3 39 9 Remove the DC input cable from the lower case Figure 1 55 DC Input Cable...
Страница 117: ...Machine Maintenance 3 47 6 Lift the LCD module from the lower cover Figure 1 69 LCD Module...
Страница 136: ...3 66 Machine Maintenance 3 Secure the bezel with the two screw covers Figure 1 100 LCD Bezel Screw Covers...
Страница 167: ...Machine Maintenance 3 97 5 Connect the HDD cable Figure 1 154 HDD Cable...
Страница 174: ...3 104 Machine Maintenance...
Страница 175: ...CHAPTER 4 Troubleshooting...
Страница 205: ...CHAPTER 5 Jumper and Connector Locations...
Страница 214: ...5 10 Jumper and Connector Locations...
Страница 215: ...CHAPTER 6 FRU List...
Страница 216: ...6 2 TravelMate P643V P643M P643MG Exploded Diagrams 6 4 Main Assembly 6 4 LCD Assembly 6 5 FRU List 6 7...
Страница 229: ...CHAPTER 7 Test Compatible Components...
Страница 230: ...7 2 Microsoft Windows 7 Environment Test 7 4...
Страница 240: ...7 12 Test Compatible Components...
Страница 241: ...CHAPTER 8 Online Support Information...
Страница 242: ...8 2...
Страница 244: ...8 4 Online Support Information...