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
Summary of Contents for TravelMate P243 SERIES
Page 1: ...TravelMate P243 Series SERVICEGUIDE ...
Page 11: ...CHAPTER 1 Hardware Specifications ...
Page 14: ...1 4 ...
Page 67: ...CHAPTER 2 System Utilities ...
Page 96: ...2 30 System Utilities ...
Page 97: ...CHAPTER 3 Machine Maintenance Procedures ...
Page 100: ...3 4 ...
Page 108: ...3 12 Machine Maintenance Procedures ID Size Quantity Screw Type A M2 5 6 0 1 C M2 0 3 0 2 ...
Page 120: ...3 24 Machine Maintenance Procedures ID Size Quantity Screw Type C M2 5 4 1 ...
Page 123: ...Machine Maintenance Procedures 3 27 ID Size Quantity Screw Type C M2 5 4 2 ...
Page 125: ...Machine Maintenance Procedures 3 29 ID Size Quantity Screw Type B M2 2 4 ...
Page 147: ...Machine Maintenance Procedures 3 51 ID Size Quantity Screw Type A M2 5 4 6 ...
Page 163: ...Machine Maintenance Procedures 3 67 ID Size Quantity Screw Type C M2 5 4 1 ...
Page 174: ...3 78 Machine Maintenance Procedures ID Size Quantity Screw Type A M2 5 6 0 1 C M2 0 3 0 2 ...
Page 177: ...CHAPTER 4 Troubleshooting ...
Page 201: ...CHAPTER 5 Jumper and Connector Locations ...
Page 208: ...5 8 Jumper and Connector Locations ...
Page 209: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Page 210: ...6 2 Exploded Diagrams 6 4 FRU List 6 8 Screw List 6 18 ...
Page 227: ...CHAPTER 7 Model Definition and Configuration ...
Page 228: ...7 2 TravelMate P243 Series 7 3 ...
Page 256: ...7 30 Model Definition and Configuration ...
Page 257: ...CHAPTER 8 Test Compatible Components ...
Page 258: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Page 269: ...CHAPTER 9 Online Support Information ...
Page 270: ...9 2 Introduction 9 3 ...