Uefi Diagnostic Program - Lenovo ThinkStation P720 Hardware Maintenance Manual

– If the signal diagnostic LED indicator is available on your computer, the diagnostic LED indicator blinks
to indicate that an issue or error is detected. Then you can use the Lenovo PC Diagnostics application
installed in your smartphone to transfer the error code from the computer to the smartphone for further
analysis. The application is available for download at both Google Play and iTunes App Store.
The hardware diagnostics function is enabled on your computer. If you want to disable the function, do the
following:
1. Start the Setup Utility program. See "Starting the Setup Utility program" on page 67.
2. From the main interface, select Advanced ➙ Diagnostics, and then press Enter.
3. Select Real-time Diagnostics Monitoring and press Enter. Then select Disabled and press Enter.
4. To save settings and exit the Setup Utility program, press F10 or Fn+F10 (depending on the keyboard
settings). Then, select Yes in the window displayed, and press Enter.

UEFI diagnostic program

A UEFI diagnostic program is preinstalled on the computer. It enables you to test memory modules and
internal storage devices, view system information, and check and recover bad sectors on internal storage
devices.
To run the UEFI diagnostic program, do the following:
1. Turn on the computer. If the computer cannot be turned on, go to "Basic procedure for resolving
computer problems" on page 81. If an error code is displayed, go to "Symptom-to-FRU index" on page
96 for error code descriptions and troubleshooting hints.
2. Repeatedly press and release the F10 key when turning on the computer. The main screen of the UEFI
diagnostic program is displayed.
3. Follow the instructions on the screen to use the diagnostic program.
The options on the main screen are as follows:
Table 1. Items on the main screen of the UEFI diagnostic program
DIAGNOSTICS
• LCD test
• Memory - Quick test
• Memory - Extended test
• Motherboard test
• PCI-e test
• Storage - Quick test
Recovery information
This section provides instructions on how to recover your operating system.
Note: If a device does not work correctly after recovering the operating system, update the device driver.
See "Keeping your computer current" on page 58.
Recovery information for Windows 7
To recover your Windows 7 operating system, use the following solutions:
• Use Windows recovery solutions.
TOOLS
• System information
• Recover bad sectors tool
• Generate configuration file
• Execute from configuration file
• Exit application
.
Chapter 7 Troubleshooting, diagnostics, and recovery
91