Lenovo x3250 m6, Installation And Service Manual

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you can r manually boot the backup bank with the UEFI boot backup jumper (JP16). In the case of image
corruption, this will occur automatically with the Automated Boot Recovery function.
In-band manual recovery method
To recover the server firmware and restore the server operation to the primary bank, do the following:
Step 1. Read “Safety” on page v and “Before removing or installing server components” on page 87.
Step 2. Turn off the server, and disconnect all power cords and external cables.
Step 3. Unlock and remove the server cover. See “Removing the server cover” on page 88.
Step 4. Locate the UEFI boot backup jumper on the system board. See “System-board switches and
jumpers” on page 22.
Step 5. Move the UEFI boot backup jumper from pins 1 and 2 to pins 2 and 3 to enable the UEFI recovery
mode.
Step 6. Reinstall the server cover; then, reconnect all power cords.
Step 7. Restart the server. The system begins the power-on self-test (POST).
Step 8. Boot the server to an operating system that is supported by the firmware update package that
you downloaded.
Step 9. Perform the firmware update by following the instructions that are in the firmware update package
readme file.
Step 10. Turn off the server and disconnect all power cords and external cables, and then remove the server
cover. See “Removing the server cover” on page 88.
Step 11. Move the UEFI boot backup jumper from pins 2 and 3 back to the primary position (pins 1 and 2).
Step 12. Reinstall the cover. See “Installing the server cover” on page 89.
Step 13. Reconnect the power cord and any cables that you removed.
Step 14. Turn on the server. The system begins the power-on self-test (POST). If this does not recover the
primary bank, continue with the following steps.
Step 15. Remove the server cover. See “Removing the server cover” on page 88.
Step 16. Reset the CMOS by removing the coin-cell battery. See “Removing the coin-cell battery” on
page 126.
Step 17. Leave the coin-cell battery out of the server for approximately 5 to 15 minutes.
Step 18. Reinstall the coin-cell battery. See “Installing the coin-cell battery” on page 127.
Step 19. Reinstall the cover. See “Installing the server cover” on page 89.
Step 20. Reconnect the power cord and any cables that you removed.
Step 21. Turn on the server. The system begins the power-on self-test (POST).
Step 22. If these recovery efforts fail, contact your Lenovo service representative for support.
In-band automated boot recovery method
Note: Use this method there is a log entry or
Booting Backup Image
displayed on the firmware splash screen;
otherwise, use the in-band manual recovery method.
Before the automated boot recovery process starts, observe the following:
• Boot the server to an operating system that is supported by the firmware update package that you
downloaded.
• Perform the firmware update by following the instructions that are in the firmware update package
readme file.
Chapter 5
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Troubleshooting
75