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How can I recover from a BIOS Recovery (500) error?

I have a HP zBook 15 that simply will not boot up. I keep on getting a message that says "A System BIOS Recovery has occurred. BIOS Recovery (500). " The system will run a System BIOS recovery but when it finishes, it goes right back to the error.

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Aaron

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Dreye

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I have not tried flashing the BIOS. I may not have to as the laptop has booted to the Windows log in screen. With that being said, what is the best option going forward. Would a system restore work or maybe updating the BIOS altogether?

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VB ITS

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nobus

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Aaron

Hmm Nobus that is a good thought... all to often I forget about those darn battery's!

Dreye

ASKER

Hello all, I was able to recover my laptop from the BIOS recovery (500). All I had to do was power off the machine and unplug the power. I then plugged the power back in and I held down the Windows key + B. I used process one in the link below:

http://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c04503087&sp4ts.oid=5403903

Thanks for all the help. I was able to narrow down the solution from the tips given!