4-4
Troubleshooting
Power On Issues
0
If the system does not power on, perform the following:
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 unit and fan airways
are free of obstructions.
5. Remove all external and non-essential hardware connected to the computer that are
not necessary to boot the computer to the failure point.
Start
Check
AC/Battery
Power on
Swap AC/Battery
OK
NG
Check
Daughter/B &
FFC Whether
OK
Swap Daughter/B
Re-plug PWR FFC
OK
NG
Swap M/B
Содержание TravelMate P243 SERIES
Страница 1: ...TravelMate P243 Series SERVICEGUIDE ...
Страница 11: ...CHAPTER 1 Hardware Specifications ...
Страница 14: ...1 4 ...
Страница 67: ...CHAPTER 2 System Utilities ...
Страница 96: ...2 30 System Utilities ...
Страница 97: ...CHAPTER 3 Machine Maintenance Procedures ...
Страница 100: ...3 4 ...
Страница 108: ...3 12 Machine Maintenance Procedures ID Size Quantity Screw Type A M2 5 6 0 1 C M2 0 3 0 2 ...
Страница 120: ...3 24 Machine Maintenance Procedures ID Size Quantity Screw Type C M2 5 4 1 ...
Страница 123: ...Machine Maintenance Procedures 3 27 ID Size Quantity Screw Type C M2 5 4 2 ...
Страница 125: ...Machine Maintenance Procedures 3 29 ID Size Quantity Screw Type B M2 2 4 ...
Страница 127: ...Machine Maintenance Procedures 3 31 IMPORTANT Follow local regulations for battery Figure 3 31 disposal ...
Страница 147: ...Machine Maintenance Procedures 3 51 ID Size Quantity Screw Type A M2 5 4 6 ...
Страница 163: ...Machine Maintenance Procedures 3 67 ID Size Quantity Screw Type C M2 5 4 1 ...
Страница 174: ...3 78 Machine Maintenance Procedures ID Size Quantity Screw Type A M2 5 6 0 1 C M2 0 3 0 2 ...
Страница 177: ...CHAPTER 4 Troubleshooting ...
Страница 201: ...CHAPTER 5 Jumper and Connector Locations ...
Страница 208: ...5 8 Jumper and Connector Locations ...
Страница 209: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Страница 210: ...6 2 Exploded Diagrams 6 4 FRU List 6 8 Screw List 6 18 ...
Страница 227: ...CHAPTER 7 Model Definition and Configuration ...
Страница 228: ...7 2 TravelMate P243 Series 7 3 ...
Страница 256: ...7 30 Model Definition and Configuration ...
Страница 257: ...CHAPTER 8 Test Compatible Components ...
Страница 258: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Страница 269: ...CHAPTER 9 Online Support Information ...
Страница 270: ...9 2 Introduction 9 3 ...