Lenovo ThinkPad 770 Hardware Maintenance Manual for 770 series notebooks(Janua - Page 37

Audio Checkout, Diskette Drive Checkout

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CHECKOUT GUIDE Symptoms (Verified) Other symptoms (such as LCD display problems). Symptoms cannot be re-created (intermittent problems). Go To "Symptom-to-FRU Index" section, and then use the Other Symptoms table. Use the customer-reported symptoms and go to "Symptom-to-FRU Index" section. Audio Checkout ISA Audio Check Out 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. PCI Audio Check Out 1. Power off the computer. 2. Insert the ThinkPad Hardware Maintenance Diskette Version 1.05 or later version into the diskette drive. 3. Power on the computer. 4. Select Test the audio feature from the main menu. 5. If FAIL is displayed on the screen, replace the system board. Diskette Drive Checkout Do the following to isolate the problem to a controller, drive, or diskette. A blank, formatted, write-enabled, nondefective 2HD diskette is required. FDD-1 represents the diskette drive in the bay. FDD-2 represents an external diskette drive. 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. See "Running the Diagnostics" on page 40 for details. 1. Start Easy-Setup. 2. Click on Test. 3. Press Ctrl+A to enter the advanced diagnostic mode. The ThinkPad FRU Connections window appears. 4. Click on Exit. The keyboard layout window appears. General Descriptions 31

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CHECKOUT GUIDE
Symptoms (Verified)
Go To
Other symptoms (such
as LCD display
problems).
“Symptom-to-FRU
Index” section, and then
use the
Other
Symptoms
table.
Symptoms cannot be
re-created (intermittent
problems).
Use the
customer-reported
symptoms and go to
“Symptom-to-FRU
Index” section.
Audio Checkout
ISA Audio Check Out
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.
PCI Audio Check Out
1.
Power off the computer.
2.
Insert the ThinkPad Hardware Maintenance Diskette
Version 1.05 or later version into the diskette drive.
3.
Power on the computer.
4.
Select
Test the audio feature
from the main menu.
5.
If
FAIL
is displayed on the screen, replace the system
board.
Diskette Drive Checkout
Do the following to isolate the problem to a controller,
drive, or diskette.
A blank, formatted, write-enabled,
nondefective 2HD diskette is required.
FDD-1
represents the diskette drive in the bay.
FDD-2
represents an external diskette drive.
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.
See “Running the Diagnostics” on page
40 for details.
1.
Start Easy-Setup.
2.
Click on
Test
.
3.
Press
Ctrl
+
A
to enter the advanced diagnostic mode.
The ThinkPad FRU Connections window appears.
4.
Click on
Exit
.
The keyboard layout window appears.
General Descriptions
31