Undetermined Problems - Lenovo ThinkCentre Hardware Maintenance Manual
Machine types: 4162, 4163, 5041, 5042, 5044, 5046, 5051, 5052, 5053, 5054, 5055, 5056, 5057, 5058, 5059, 5060, 5061, 5062, 5063, 5064, 5065, and 5066
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Also See for ThinkCentre:
- Hardware maintenance manual (546 pages) ,
- Safety and warranty manual (265 pages) ,
- User manual (32 pages)
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Undetermined problems
If you encounter undetermined problems, do the following:
1. Turn off the computer and the power.
2. Remove or disconnect the following components (if installed) one at a time.
a. External devices (modem, printer, or mouse)
b. Any adapter cards
c. Memory modules
d. Extended video memory
e. External Cache
f. External Cache RAM
g. Hard disk drive
h. Diskette drive
3. Turn on the power and the computer to re-test the system.
4. Repeat steps 1 through 3 until you find the failing device or adapter cards.
If all devices and adapter cards
have been removed, and the problem continues, replace the system board. See "Replacing the system
board" on page 90 or "Replacing the system board" on page 120.
.
Chapter 7
Symptom-to-FRU index
69
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