Lenovo ThinkStation E30 Hardware Maintenance Manual - Page 71

Undetermined problems, External Cache RAM

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Undetermined problems This section provides instructions on how to find out the failing devices or adapters. 1. Turn off the computer. 2. Remove or disconnect the following components (if installed) one at a time. a. External devices (modem, printer, or mouse) b. Any adapters 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 computer to re-test the system. 4. Repeat steps 1 through 3 until you find the failing device or adapter. If all devices and adapters have been removed, and the problem continues, replace the system board. Chapter 8. Symptom-to-FRU Index 65

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Undetermined problems
This section provides instructions on how to find out the failing devices or adapters.
1. Turn off the computer.
2. Remove or disconnect the following components (if installed) one at a time.
a.
External devices (modem, printer, or mouse)
b. Any adapters
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 computer to re-test the system.
4. Repeat steps 1 through 3 until you find the failing device or adapter.
If all devices and adapters have been removed, and the problem continues, replace the system board.
Chapter 8
.
Symptom-to-FRU Index
65