Lenovo 28155YU, 28155XU, 2808DKU manual Testing the computer

Testing the computer

Note: The PC-Doctor diagnostic CD does not support any optical drives connected through USB devices or any others. It supports only the internal optical drive of the ThinkPad Notebook.

To run the test, do as follows:

1.Turn off the computer.

2.Make sure that the internal optical drive that is supported as a startup device is attached to the computer.

3.Turn on the computer.

If the computer cannot be powered on, go to “Power system checkout” on page 51, and check the power sources.

If an error code appears, go to “Symptom-to-FRU index” on page 61.

4.When the ThinkPad logo comes up, immediately press F12 to enter the Boot Menu.

5.Insert the PC-Doctor CD into the internal optical drive.

6.Press cursor keys to select ATAPI CDx (x: 0, 1, ...) and then press Enter.

7.Follow the instructions on the screen.

8.The main panel of PC-Doctor appears.

9.Select Diagnostics with the arrow keys, and press Enter.

Note: You can select an item not only with the arrow keys, but also with the TrackPoint® pointer. Instead of pressing Enter, click the left button.

A pull-down menu appears. (Its exact form depends on the model.)

Note: PC-Doctor menu does not mean the formal support device list. Some unsupported device names may appear in the PC-Doctor menu.

Diagnostics

Interactive Tests Hardware Info Utility Quit F1=Help

Run Normal Test

Run Quick Test

CPU/Coprocessor

Systemboard

Video Adapter

Serial Ports

Fixed Disks

Diskette Drives

Other Devices

Communication

Wireless LAN

Advanced Memory Tests

PC-DOCTOR 2.0 Copyright 2008 PC-Doctor, Inc. All Rights Reserved.

Use the cursor keys and ESC to move in menus. Press ENTER to select.

46ThinkPad T400s Hardware Maintenance Manual