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Archived This topic has been archived. Information and links in this thread may no longer be available or relevant. If you have a question create a new topic by clicking here and select the appropriate board.

‎10-23-2020 01:52 AM - edited ‎10-23-2020 03:50 AM

HP Recommended
Product: hp elitebook 840 g5
Operating System: Linux

I've recently started getting a Sure start warning saying that the secure boot keys were changed. See "screenshot"

https://ibb.co/HNDv5zQ

In order to "fix" this issue I decided to upgrade the bios to the latest version. What happened after this is that the BIOS would show the above message and wont proceed to boot the OS. Whenever the laptoop is booted or rebooted the BIOS warning is displayed and there is nothing that can be done.

There is no way to access the BIOS settings with the esc key (any key for that matter). The hard reset key combination is also not responding. When pressing the esc key it says "entering setup menu" but then it simply jumps to the secure boot warning.I've also tried using the Winkey+V, Winkey+B options but without success. I wonder if someone knows the precise combination that should work for this laptop.

 

 

The technician at the official HP warranty shop also tried removing the battery, disk and CMOS battery - to no avail. He concluded the only solution is to change the motherboard. Apparently this is not the first time they had this issue with this model.

Did anybody else experience the same issue? Is there any other approach one can try to clear the BIOS or get the OS booting? The laptop is still under warranty so I am not concerned by having the motherboard replaced, I am just baffled that there is no other solution.

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