Lenovo THINKCENTRE 2491 Hardware Maintenance Manual page 73
Lenovo laptop user manual
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Also See for THINKCENTRE 2491:
- Hardware maintenance manual (200 pages) ,
- Hardware maintenance manual (194 pages) ,
- User manual (128 pages)
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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 86.
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Chapter 7
Symptom-to-FRU index
67
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