To run the UEFI diagnostic program, do the following:
1.Turn on the computer. If the computer cannot be turned on, go to “Power system checkout” on page 41, and check the power sources. If an error code is displayed, go to
2.When the ThinkPad logo is displayed, repeatedly press and release the F12 key. When the Boot Menu window opens, release the F12 key.
3.Press the Tab key to switch to the Application Menu window.
4.Use the arrow keys to select Lenovo Diagnostics and then press Enter. The main screen of the UEFI diagnostic program is displayed.
5.Follow the instructions on the screen to use the diagnostic program.
The options on the main screen are as follows:
| Tests |
| Tools |
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• | Quick Memory Test | • | System Information |
• Quick Storage Device Test | • | Recover Bad Sectors Tool | |
• | Exit Application |
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Bootable diagnostic programs
If the computer you are servicing is not installed with the UEFI diagnostic program, you can download a bootable diagnostic program from the Lenovo Support Web site. The bootable diagnostic programs enable you to test computer memory and internal storage devices, view system information, and check and recover the internal storage devices. To use the bootable diagnostic programs, you can create a bootable diagnostic medium on a USB device or CD.
To create a bootable diagnostic medium, do the following:
1.Go to http://www.lenovo.com/diags.
2.Click Lenovo Bootable Diagnostics.
3.Follow the instructions on the Web site to create a bootable diagnostic medium on a USB device or CD.
To use the diagnostic medium you have created, do one of the following:
•If you have created the bootable diagnostic medium on a USB device, do the following:
1.Attach the USB device to the computer.
2.Turn on the computer. If the computer cannot be turned on, go to “Power system checkout” on page 41, and check the power sources. If an error code is displayed, go to
3.When the ThinkPad logo is displayed, repeatedly press and release the F12 key. When the Boot Menu window opens, release the F12 key.
4.Use the arrow keys to select USB HDD and then press Enter. The diagnostic program will be launched automatically.
5.Follow the instructions on the screen to use the diagnostic program.
•If you have created the bootable diagnostic medium on a CD, do the following:
1.Turn on the computer. If the computer cannot be turned on, go to “Power system checkout” on page 41, and check the power sources. If an error code is displayed, go to
2.Insert the CD into the optical drive.
3.Restart the computer.
