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‎02-25-2024 11:38 AM - last edited on ‎02-26-2024 09:34 AM by Retired

HP Recommended
Product: HP ProBook 4520s
Operating System: Microsoft Windows 7 (32-bit)

 Good morning, I am writing to you in order to receive instructions on how to reset or restore the BIOS memory, because when you connect the HP ProBook 4520s laptop SERIAL: [edit] , the Caps Lock button and the power button flash, turn on and off, and the laptop power indicator also flashes. it turns on and off and the fan turns on, and the BIOS does not start, the laptop screen is black all the time, the system does not start and after a long time the laptop turns off again, the same symptoms are as before and nothing appears on the screen again screen, even the BIOS and the laptop turns off again. Therefore, I would like to know from you how I can reset the BIOS memory in this laptop, and if necessary, how I can restore the BIOS memory in this laptop. Best regards and thank you in advance for your help and answer to my

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1 REPLY 1

‎03-01-2024 05:13 PM

HP Recommended

The linked HP document has information on recovering the BIOS:


https://support.hp.com/us-en/document/ish_3932413-2337994-16



I am a volunteer and I do not work for, nor represent, HP
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