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‎08-10-2024 04:39 AM

HP Recommended
Product: 15-bs199nl

I have a HP Notebook 15-bs199nl with Windows 10 (64 bit) installed. I made a BIOS update to version "F.75 Rev.A" as it was the latest avaiable on the hp drivers dashboard. The installation went fine but after the reboot the screen was completely black and now it doesn't boot Windows. Did I install the wrong BIOS version? I tried all the possible solutions on the support page (Win + b key with/without USB recovery support) but it still doesn't work.

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3 people had the same question
1 ACCEPTED SOLUTION

Accepted Solutions

‎08-10-2024 04:51 AM

HP Recommended

Try CMOS reset

 

Follow the steps below to reset computer CMOS data.

1. Turn off the computer.
2. Press and hold the Windows and the V keys.
3. While still pressing those keys, press and hold down the Power button on the computer for 2-3 seconds.
4. Release all the keys.
5. At the completion of a successful CMOS reset, a message showing CMOS Reset (502) will be displayed.
6. Restart the computer.



If you do not see that 502 message then :

  • Turn on the computer by holding the power button down for 20 full seconds then release.
  • Press the Power button one more time (if necessary) to start the computer.

 

 

HP support video for bios recovery

Did the bios come in with a windows update or was it recommended by the HP Support Assistant?

 

Thank you for using HP products and posting to the community.
I am a community volunteer and do not work for HP. If you find
this post useful click the Yes button. If I helped solve your
problem please mark this as a solution so others can find it

View solution in original post

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1 person found this reply helpful
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4 REPLIES 4

‎08-10-2024 04:51 AM

HP Recommended

Try CMOS reset

 

Follow the steps below to reset computer CMOS data.

1. Turn off the computer.
2. Press and hold the Windows and the V keys.
3. While still pressing those keys, press and hold down the Power button on the computer for 2-3 seconds.
4. Release all the keys.
5. At the completion of a successful CMOS reset, a message showing CMOS Reset (502) will be displayed.
6. Restart the computer.



If you do not see that 502 message then :

  • Turn on the computer by holding the power button down for 20 full seconds then release.
  • Press the Power button one more time (if necessary) to start the computer.

 

 

HP support video for bios recovery

Did the bios come in with a windows update or was it recommended by the HP Support Assistant?

 

Thank you for using HP products and posting to the community.
I am a community volunteer and do not work for HP. If you find
this post useful click the Yes button. If I helped solve your
problem please mark this as a solution so others can find it
Tags (1)
1 person found this reply helpful
Was this reply helpful? Yes No

‎08-10-2024 05:50 AM

HP Recommended

Hi BeemerBiker, thanks for your support. I followed all the steps you described but the monitor didn't display anything. When I turn it on I only see the Caps lock blink and I hear the fan noise. The bios update wasn't reccomended nor by Windows Update or by Hp Support Assistant. I manually downloaded the update utility from the HP drivers website because i thought it was necessary (what a terrible decision!). I suppose the old bios of the notebook was just fine and it didn't require any manual intervention. Sorry for wasting any of your time on this matter.

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‎08-10-2024 07:48 AM

HP Recommended

The blinking CAPs lock might indicated a different problem

 

Beep codes and reset instructions
Click here for Laptop codes
Click here for AIO or desktop codes

Thank you for using HP products and posting to the community.
I am a community volunteer and do not work for HP. If you find
this post useful click the Yes button. If I helped solve your
problem please mark this as a solution so others can find it
Was this reply helpful? Yes No

‎10-04-2024 03:21 PM

HP Recommended

Hi @Alemeo. Did you successfully recover the PC? Please let me know. I've had exactly the same issue today (manual update from HP Drivers page).

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