Audio Checkout
1. Go to the diagnostic menu by selecting Test in the
Easy-Setup menu.
2. Select Audio and run the diagnostic tests.
3. If the test detects a audio problem, replace the
system board.
Diskette Drive Checkout
Do the following to isolate the problem to a controller,
drive, or diskette. A write-enabled, blank, formatted 2HD
diskette is required.
FDD-1
represents a diskette drive in the UltraBay II.
FDD-2
represents the port replicator, docking station, or
diskette drive attached through the external diskette drive
connector.
Attention
Make sure that the diskette does not have more than
one label attached to it. Multiple labels can cause
damage to the drive or cause the drive to fail.
Do the following to select the test device:
1. Click on Test in the Easy-Setup menu.
2. Press Ctrl+A to enter the advanced diagnostic menu.
The ThinkPad FRU Connections window appears.
3. Click on Exit
The keyboard layout screen appears.
4. Click on Exit.
5. Click on FDD-1 or FDD-2.
6. Type Y (Yes) to the question on the screen. Insert
the blank diskette when instructed.
7. Press Enter to run the diskette drive test.
8. If the controller test detects an error, FRU code 10
appears. Replace the system board.
9. If the controller test runs without errors, the drive
read/write tests start automatically.
10. If the drive test detects an error, FRU code 50 for
FDD-1 or 51 for FDD-2 appears. If the diskette itself
is known to be good, replace the drive.
11. If FDD-2 test detects an error, move the drive into the
computer's UltraBay II, if possible, and test it again as
FDD-1.
If no errors occur in the FDD-1 position, the drive is
not defective. If the drive is attached to the port
replicator, go to “Common Devices Checkout” on
page 681 to isolate the replicator problem.
Otherwise, go on to the next step.
ThinkPad 770 (9548, 9549)
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