
Undetermined problems
If the diagnostic tests did not identify the adapter or device that has failed, if wrong devices are installed,
or if the system simply is not operating, follow these procedures to isolate the failing FRU (do not isolate
FRUs that have no defects).
Verify that all attached devices are supported by the computer.
Verify that the power supply being used at the time of the failure is operating correctly. (See “Power system
checkout” on page 30.)
1. Turn off the computer.
2. Visually check each FRU for damage. Replace any damaged FRU.
3. Remove or disconnect all of the following devices:
a. Non-ThinkPad devices
b. Printer, mouse, and other external devices
c. Battery pack
d. Hard disk drive
e. External diskette drive or optical drive
f. DIMM
g. Optical disk or diskette in the internal drive
h. PC Cards
4. Turn on the computer.
5. Determine whether the problem has been solved.
6. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU.
7. If the problem remains, replace the following FRUs one at a time (do not replace a nondefective FRU):
a. System board
b. LCD assembly
Chapter 4
.
Related service information
41
Summary of Contents for ThinkPad Edge E30
Page 1: ...Hardware Maintenance Manual ThinkPad Edge 13 E30 and E31 Downloaded from LpManual com Manuals ...
Page 6: ...iv Hardware Maintenance Manual Downloaded from LpManual com Manuals ...
Page 12: ...DANGER 6 Hardware Maintenance Manual Downloaded from LpManual com Manuals ...
Page 13: ...PERIGO PERIGO PERIGO Chapter 1 Safety information 7 Downloaded from LpManual com Manuals ...
Page 18: ...12 Hardware Maintenance Manual Downloaded from LpManual com Manuals ...
Page 19: ...Chapter 1 Safety information 13 Downloaded from LpManual com Manuals ...
Page 20: ...14 Hardware Maintenance Manual Downloaded from LpManual com Manuals ...
Page 21: ...Chapter 1 Safety information 15 Downloaded from LpManual com Manuals ...
Page 22: ...16 Hardware Maintenance Manual Downloaded from LpManual com Manuals ...
Page 23: ...Chapter 1 Safety information 17 Downloaded from LpManual com Manuals ...
Page 24: ...18 Hardware Maintenance Manual Downloaded from LpManual com Manuals ...
Page 28: ...22 Hardware Maintenance Manual Downloaded from LpManual com Manuals ...
Page 48: ...42 Hardware Maintenance Manual Downloaded from LpManual com Manuals ...
Page 56: ...50 Hardware Maintenance Manual Downloaded from LpManual com Manuals ...
Page 91: ...2 3 4 5 6 7 8 Chapter 8 Removing and replacing a FRU 85 Downloaded from LpManual com Manuals ...
Page 96: ...90 Hardware Maintenance Manual Downloaded from LpManual com Manuals ...
Page 108: ...LCD FRUs 1 2 4 5 6 7 3 8 102 Hardware Maintenance Manual Downloaded from LpManual com Manuals ...
Page 122: ...116 Hardware Maintenance Manual Downloaded from LpManual com Manuals ...