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sh4rp
New Member
Last Activity: 03-21-2024, 07:08 AM
Joined: 04-23-2021
Location: Bratislava
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  • sh4rp
    replied to HP EliteBook 845 G7 BIOS Pass
    Re: HP EliteBook 845 G7 BIOS Pass




    Works like a charm! Thanks alot! ...
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  • sh4rp
    replied to HP EliteBook 845 G7 BIOS Pass
    Re: HP EliteBook 845 G7 BIOS Pass



    Took me almost a year, but alas I did as instructed.

    The pc said someting about doing a bios backup and then it says HP Endpoint Security Controller Problem (Pic 1 in attachment)

    I can press enter okay and then I'm back at the familiar despised Power-On Authentication (Pic 2 in attachment)

    I spent more time repairing this notebook than using it...

    So what next?...
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  • sh4rp
    replied to HP EliteBook 845 G7 BIOS Pass
    Re: HP EliteBook 845 G7 BIOS Pass

    My laptop is taken apart for half a year gathering dust, still locked.
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  • sh4rp
    replied to HP EliteBook 845 G7 BIOS Pass
    Re: HP EliteBook 845 G7 BIOS Pass

    @pnilip

    I think it doesn't really matter which actual chip it is. But so far I have been unable to fix it. I tried multiple times to flash it with different flashes and some ppl were tinkering with the source code to fix it. But no luck. It's a bit frustrating, and you have to solder, desolder the chips plug all the cables back so on.

    After looking through the code I found some account details on the U367(top) chip ie. my name that shows on the lock screen in the actual code. So I suppose the U367(top) chip is more...
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  • sh4rp
    replied to HP EliteBook 845 G7 BIOS Pass
    Re: HP EliteBook 845 G7 (8VZ07AV) Power-on password

    Thx for the suggestion, unfortunatelly the pc won't boot in this setting...
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  • sh4rp
    replied to HP EliteBook 845 G7 BIOS Pass
    HP EliteBook 845 G7 (8VZ07AV) Power-on password

    Hello I need to remove Power-on password on this notebook HP EliteBook 845 G7 Notebook PC (8VZ07AV).

    Product Number: 24Z96EA
    Board: LINDEN-6050A3147201-MB-A01(A1)
    Board part no: m22244-601

    The chips are:
    Winbond W25Q256JVEN (256Mbit) U366/U365 Bottom side
    MXIC MX25L25673GZ4I-08G (256Mbit) U367 Top side

    Dump of both BIOS chips in attachment.

    Please help.

    Winbond - location picture - bottom side:

    Winbond closeup:...
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  • sh4rp
    replied to HP EliteBook 845 G7 BIOS Pass
    Re: HP EliteBook 845 G7 BIOS Pass

    pnilip:

    The other chip is on the other (bottom) side of the board - directly under the Winbond (in your case... for some reason I had the Winbond on the bottom...).

    So you have to disconnect all the wires and remove the screws. Also I didn't unscrew the cpu fan so I don't have to mess with thermal paste.
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  • sh4rp
    replied to HP EliteBook 845 G7 BIOS Pass
    Re: HP EliteBook 845 G7 BIOS Pass

    Akintunde: I have sucessfully used Revelprog IS very neat, works well and easy to use. (no affiliation)

    And as I cannot post a new thread yet. I will hijack (and resurrect) this thread instead.

    To my question now:

    I have aswell an HP 845 G7 with a power-on password, which I have accidentally set, both password and fingerprints don't work to my disappointment. HP Support suggested to replace the main board (which is about 80-90% of the price of the device, great help...) I have set also some recovery...
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