Lenovo THINKCENTRE 6396 Bedienungsanleitung PDF herunterladen (Seite 84)

Message/Symptom FRU/Action

Non-system disk or disk error-type message

with a known-good diagnostic diskette.

1. Diskette Drive

2. System Board

3. Diskette Drive Cable

Other display symptoms not listed above

(including blank or illegible display)

1. Display

2. System Board

Power-on indicator or hard disk drive in-use

light not on, but computer works correctly

1. Power switch/LED assembly

2. System Board

Printer problems

1. Printer

2. System Board

Program loads from the hard disk with a

known-good diagnostics diskette in the first

3.5-inch diskette drive

1. Run Setup and check Startup sequence.

2. Diskette Drive

3. Diskette Drive Cable

4. System Board

5. AC/DC power adapter

PXE computer cannot access programs from

its own hard disk.

Replace the hard disk drive

PXE computer does not PXE from server

1. Check startup sequence

2. Check the network adapter LED status

Some or all keys on the keyboard do not

work

1. Keyboard

2. Keyboard Cable

3. System Board

Undetermined problems

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

Turn on the power 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.

78 Hardware Maintenance Manual

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