I recently developed an issue with a BIOS update that caused my laptop to do the 1 beep.
I tried many different ways to try and clear the bios and install the new updated A13. Mine was the A12 version.
My laptop took about 20 to 30 tries of turning on and off to even boot up and every attempt to install the A13 failed.
My fix was to create a bootable USB drive, using an Older version of Bios A05 (tried with A13 didn't work). Which installed and worked perfectly to restore my laptop.
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If you have still this problem, i got my solution today with a custom bios 1-beep loop.
http://forum.notebookreview.com/threads/no-post-after-unlocking-bios-a12.817382/
Alienware 18 Bios 1 Beep Fix
Discussion in 'Alienware' started by CenturionsFate, May 27, 2018.