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‎05-16-2024 12:39 PM

HP Recommended
Product: HP ProBook x360 11 G5 EE Notebook PC (7CB77AV)

Hi, I recently had issues with secure boot and my screen turning off until Linux started the Intel backlight service, but that’s not the issue for today.
I tried to fix this issue by changing a lot of the settings in my UEFI, then I proceeded to reboot and now my comptuer bootloops. The bootloop happens after displaying the HP logo for 2 seconds. I can try to enter a menu using the F10 key for example, and it prints the message that it tries to enter the config menu, but then the computer shuts down after the 2 usual seconds.
I have tried a lot of power reset methods (removed CMOS battery) and UEFI reflashs (the Super + V / Super + B key combination) but none of them work.
Every time the bootloop happens, the power LED flashes in a quick sequence that I can’t reall catch, but it ressembles something like this :
    <off> ->
    Orange - 250ms ->
    White - 500ms ->
    Orange - 250ms ->
    White - 500ms ->
    Orange - 250ms ->
    White - 500ms ->
    <off>
Good thing to note is that after a power reset, the UEFI shows the usual POST error message for the system clock. I can’t do much with it, but this is the only thing that makes me think that my UEFI is not burnt

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