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Solved!

HP Envy Bios installation failure. Stuck with "enter administrator password or power on password"

HP Recommended
HP Envy 15-j100
Microsoft Windows 10 (64-bit)
Good morning,
I tried to update my laptop's bios today and it resultes in a failure. Can't really recall tho. On restart, the bios was recovered, and I was prompted to enter my "bios/power-on" password. Even though I enter the correct password, it gives me invalid password. In order to overcome this, I tried using the bios password decoder and entered the number sequence. However, even that didn't work and resetting it by removing the cmos doesn't work either. I tried recovering the bios with Win + B and power key. Even though the bios gets installed and verified, I'm prompted with "enter the bios password" again at boot.

Any help would be greatly appreciated.
Thank you,
Dave.
8 REPLIES 8
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49,520 49,455 9,901 16,789
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Hi,

 

Can you post the 'halt code' you receive after 3 incorrect entries - include the prefix ( eg I or i ).

 

Regards,

 

DP-K

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I get the system disabled "window" with the following prompt code: 62980096
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Hi,

 

Is the code prefixed with a I or a i ?

 

Regards,

 

DP-K

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Dang, sorry. I forgot to include it. It's prefixed with an 'i'.
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Hi,

 

Reboot and enter  55515439

 

Regards,

 

DP-K

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Thank you. If you don't mind, can I ask how you computed the code? I tried it many times and never worked.
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Hi,

 

You're welcome :generic:

 

Halt codes prefixed with a i use a different algorithm to create the hash - I wrote the script for these earlier in the year, but have decided against publication.

 

All the best,

 

DP-K

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@DavidPKwrote:

 

Halt codes prefixed with a i use a different algorithm to create the hash - I wrote the script for these earlier in the year, but have decided against publication.



 

 

Gray hat alert , gray hat alert. Kudos for that !

 

 

Screenshot_2018-04-22_16-26-49.png

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