Lenovo ThinkPad S31 ThinkPad S30, S31 Hardware Maintenance Manual (October 200 - Page 14

Testing the computer, Enter, Diagnostics

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Symptoms (Verified) Go to Power failure. (The power-on indicator does not go on or stay on.) "Power System Checkout" on page 14, then use table in "Power-Related Symptoms" on page 23. POST does not complete. No "Symptom-to-FRU Index" on beeps or error codes/messages page 19, then use table in "No are indicated. Beep Symptoms" on page 22. POST beeps, but no error codes are displayed. "Symptom-to-FRU Index" on page 19. POST detected an error and displayed numeric error codes. "Symptom-to-FRU Index" on page 19, then use table in "Numeric Error Codes" on page 19. The diagnostic test detected an "Running the Diagnostics" on error and displayed a FRU page 27. code. Other symptoms (such as LCD "Symptom-to-FRU Index" on display problems). page 19. Symptoms cannot be recreated (intermittent problems). Use the customer-reported symptoms, and go to "Symptom-to-FRU Index" on page 19. Testing the computer The ThinkPad computer has a test program called PC-Doctor for DOS (hereafter called PC-Doctor). You can detect errors by running the diagnostics test of PC-Doctor. This section is an overview on detecting the problem. To run the test, do the following: Note: In the following procedure, you can select an item not only with the arrow keys, but also with the TrackPoint. Instead of pressing Enter, you can also click the left click button. 1. Connect the USB diskette drive to the computer. 2. Insert the PC-Doctor DOS Disk into the diskette drive; then power on the computer. If the computer cannot be powered on, go to "Power System Checkout" on page 14 and check the power sources. If an error code appears, go to "Symptom-to-FRU Index" on page 19. The PC-Doctor main panel appears. 3. Select Diagnostics with the arrow keys, and press Enter. A pull-down menu appears: 10 ThinkPad s30, s31

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Symptoms (Verified)
Go to
Power failure. (The power-on
indicator does not go on or stay
on.)
“
Power System Checkout
”
on
page 14, then use table in
“
Power-Related Symptoms
”
on
page 23.
POST does not complete. No
beeps or error codes/messages
are indicated.
“
Symptom-to-FRU Index
”
on
page 19, then use table in
“
No
Beep Symptoms
”
on page 22.
POST beeps, but no error
codes are displayed.
“
Symptom-to-FRU Index
”
on
page 19.
POST detected an error and
displayed numeric error codes.
“
Symptom-to-FRU Index
”
on
page 19, then use table in
“
Numeric Error Codes
”
on
page 19.
The diagnostic test detected an
error and displayed a FRU
code.
“
Running the Diagnostics
”
on
page 27.
Other symptoms (such as LCD
display problems).
“
Symptom-to-FRU Index
”
on
page 19.
Symptoms cannot be recreated
(intermittent problems).
Use the customer-reported
symptoms, and go to
“
Symptom-to-FRU Index
”
on
page 19.
Testing the computer
The ThinkPad computer has a test program called
PC-Doctor for DOS (hereafter called
PC-Doctor
). You can
detect errors by running the diagnostics test of PC-Doctor.
This section is an overview on detecting the problem.
To run the test, do the following:
Note:
In the following procedure, you can select an item
not only with the arrow keys, but also with the
TrackPoint. Instead of pressing
Enter
, you can also
click the left click button.
1.
Connect the USB diskette drive to the computer.
2.
Insert the PC-Doctor DOS Disk into the diskette drive;
then power on the computer.
If the computer cannot be powered on, go to
“
Power
System Checkout
”
on page 14 and check the power
sources.
If an error code appears, go to
“
Symptom-to-FRU
Index
”
on page 19.
The PC-Doctor main panel appears.
3.
Select
Diagnostics
with the arrow keys, and press
Enter
.
A pull-down menu appears:
10
ThinkPad s30, s31