Lenovo ThinkPad X23 ThinkPad X20, X21, X22, X23, X24 Hardware Maintenance Manu - Page 37

Enter, Diagnostics, The main panel of PC-Doctor appears. - memory

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If the computer cannot be powered on, go to "Power system checkout" on page 35 and check the power sources. If an error code appears, go to "Symptom-to-FRU index" on page 48. On the first screen, select the model and press Enter. Follow the instructions on the screen. 2. The main panel of PC-Doctor appears. 3. Select Diagnostics with the arrow keys, and press Enter. A pull-down menu appears. (Its exact form depends on the model.) The options on the test menu are as follows: Diagnostics v Run Normal Test v Run Quick Test v CPU/Coprocessor v Systemboard v Video Adapter v Serial Ports v Parallel Ports v Fixed Disks v Diskette Drives v Other Devices v ZIP Drive v LS-120/240 Drive v Wireless LAN (*) v Memory Test-Full v Memory Test-Quick Interactive Tests v Keyboard v Video v Internal Speaker v Mouse v Joystick Test v Diskette v System Load v CD-ROM/DVD Test v Stereo Speaker v 802.11 Wireless Radio Test (*) Chapter 2. General descriptions 33

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If the computer cannot be powered on, go to
“
Power
system checkout
”
on page 35 and check the power
sources.
If an error code appears, go to
“
Symptom-to-FRU
index
”
on page 48.
On the first screen, select the model and press
Enter
.
Follow the instructions on the screen.
2.
The main panel of PC-Doctor appears.
3.
Select
Diagnostics
with the arrow keys, and press
Enter
.
A pull-down menu appears. (Its exact form depends on
the model.)
The options on the test menu are as follows:
Diagnostics
Interactive Tests
v
Run Normal Test
v
Run Quick Test
v
CPU/Coprocessor
v
Systemboard
v
Video Adapter
v
Serial Ports
v
Parallel Ports
v
Fixed Disks
v
Diskette Drives
v
Other Devices
v
ZIP Drive
v
LS-120/240 Drive
v
Wireless LAN (*)
v
Memory Test-Full
v
Memory Test-Quick
v
Keyboard
v
Video
v
Internal Speaker
v
Mouse
v
Joystick Test
v
Diskette
v
System Load
v
CD-ROM/DVD Test
v
Stereo Speaker
v
802.11 Wireless Radio Test
(*)
Chapter 2. General descriptions
33