Lenovo ThinkPad 770 Hardware Maintenance Manual for 770 series notebooks(Janua - Page 46

Running the Diagnostics, The ThinkPad

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RUNNING THE DIAGNOSTICS Note This step is only for the model that has the press-to-select function. 7. Verify that all buttons work correctly. If either the pointing stick or the click button do not work, do the following actions one at a time to correct the problem. Do not replace a nondefective FRU. 1. Reseat the keyboard cables. 2. Replace the keyboard. 3. Reseat the card that the TrackPoint cable is directly connected to. 4. Replace the system board. Running the Diagnostics The following table lists the special tools needed for the diagnostics: Tool Name PC test card Tri-connector wrap plug USB parallel test cable Part Number 35G4703 72X8546 05K2580 Use either the TrackPoint or the cursor-moving keys to interact with the tests. The Enter key works the same as selecting the OK icon to reply OK. 1. Press and hold F1; then power on the computer. Hold F1 down until the Easy-Setup menu appears. 2. Click on Test. The basic diagnostic menu appears. 3. Click on a device to run the test. The test progress screen appears; then OK appears under the tested device icon when the test ends without any errors. 4. Start the Advanced Diagnostic test by pressing Ctrl+A on the basic diagnostic menu. The ThinkPad FRU connections window appears. 5. Click on Exit or press the Esc key. The keyboard test window appears. 6. When you press a key, a mark appears or disappears on the corresponding key position on the screen. Repeat this step for any keys that need to be tested. You can run the keyboard test if you press Ctrl+K in the advanced diagnostic test mode. 7. To exit the keyboard test, click on Exit or press Ctrl+Break. The advanced diagnostics window appears. 8. Click on a device to test it, or click on Test All to test all devices. 40

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RUNNING THE DIAGNOSTICS
Note
This step is only for the model that has the
press-to-select function.
7.
Verify that all buttons work correctly.
If either the pointing stick or the click button do not work,
do the following actions one at a time to correct the
problem.
Do not replace a nondefective FRU.
1.
Reseat the keyboard cables.
2.
Replace the keyboard.
3.
Reseat the card that the TrackPoint cable is directly
connected to.
4.
Replace the system board.
Running the Diagnostics
The following table lists the special tools needed for the
diagnostics:
Use either the TrackPoint or the cursor-moving keys to
interact with the tests.
The
Enter
key works the same as
selecting the
OK
icon to reply OK.
1.
Press and hold
F1
; then power on the computer.
Hold
F1
down until the Easy-Setup menu appears.
2.
Click on
Test
.
The basic diagnostic menu appears.
3.
Click on a device to run the test.
The test progress
screen appears; then
OK
appears under the tested
device icon when the test ends without any errors.
4.
Start the
Advanced Diagnostic test
by pressing
Ctrl
+
A
on the basic diagnostic menu.
The ThinkPad
FRU connections window appears.
5.
Click on
Exit
or press the
Esc
key.
The keyboard
test window appears.
6.
When you press a key, a mark appears or disappears
on the corresponding key position on the screen.
Repeat this step for any keys that need to be tested.
You can run the keyboard test if you press
Ctrl
+
K
in
the advanced diagnostic test mode.
7.
To exit the keyboard test, click on
Exit
or press
Ctrl
+
Break
.
The advanced diagnostics window
appears.
8.
Click on a device to test it, or click on
Test All
to test
all devices.
Tool Name
Part Number
PC test card
35G4703
Tri-connector wrap plug
72X8546
USB parallel test cable
05K2580
40