If the BIOS is corrupted, the system automatically attempts to restore the BIOS from a hidden partition when the computer is restarted. This document covers other methods to restore the BIOS if the automatic BIOS restoration does not work.
If you experience any of the following symptoms after restarting the computer, recover the BIOS.
- Windows does not start and the Caps Lock or Num Lock keys blink, or the computer beeps 2 times
- Power light or charging light continues to blink
- A BIOS APPLICATION ERROR 501 message displays
- The computer stops at a black or blank screen when powered on
- The computer turns on and you might hear the internal fan, but the display is blank and Windows does not start
Simply step to recover BIOS in laptop
1. Turn off the computer, and then connect the power cord.
2. Press and hold the Windows key and the B key at the same time, and then press and hold the Power button for 2 to 3 seconds.
3. Release the Power button but continue pressing the Windows and B keys. You might hear a series of beeps.
The HP BIOS Update screen displays and the recovery begins automatically.
HP BIOS Update recovery in progress
If this recovery method fails, use another working computer to create a BIOS recovery flash drive to install the latest BIOS file.
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