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UEFI boot recovery jumper
Clear CMOS jumper
Figure 15. Location of the switches, jumpers, and buttons on the system board
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 cover
(see "Removing the cover" on page 142).
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 "Replacing the cover" on page 142).
Step 13. Reconnect the power cord and any cables that you removed.
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Lenovo NeXtScale nx360 M5 water-cooled technology tray Lenovo NeXtScale n1200 Enclosure Installation and Service Guide
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Troubleshooting
