Lenovo ThinkPad 570E English - Hardware Maintenance Manual for 570 systems - Page 51

Determine whether the problem has changed., Power on the computer.

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Symptom-to-FRU index 3. Remove or disconnect all of the following devices: a. Non-IBM devices b. Devices attached to the port replicator c. Printer, mouse, and other external devices d. Battery pack e. Hard disk drive f. External diskette drive g. DIMM h. CD-ROM and diskette drive in the UltraslimBay i. PC Cards 4. Power on the computer. 5. Determine whether the problem has changed. 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 ThinkPad 570 and 570E 47

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Symptom-to-FRU index
3.
Remove or disconnect all of the following devices:
a.
Non-IBM devices
b.
Devices attached to the port replicator
c.
Printer, mouse, and other external devices
d.
Battery pack
e.
Hard disk drive
f.
External diskette drive
g.
DIMM
h.
CD-ROM and diskette drive in the UltraslimBay
i.
PC Cards
4.
Power on the computer.
5.
Determine whether the problem has changed.
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
ThinkPad 570 and 570E
47