HP Vectra VL600 Supplementary Manual page 42

1 Troubleshooting Your PC
BIOS Problems
NOTE The power button is protected in BIOS update mode, and will appear
inactive even after the update procedure has finished.
To power off the system after the update, press and hold the power
button for at least 4 seconds.
7 Power off the PC and remove the PC's cover.
8 Reset system board switch 1 (BIOS Crisis Recovery) to OFF and
replace the PC's cover.
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