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‎05-08-2019 01:29 AM

HP Recommended
Product: EliteBook 840 G5
Operating System: Microsoft Windows 10 (64-bit)

Recently I've installed Windows 10 1809 on a 840 G5 but after enabling secure boot the laptop cannot start from the disk where Windows is installed.

Error: BootDevice not found

 

If I then disable secure boot and restart the machine it starts Windows from the disk without any problems. Disk check passes without any issues found.

From the boot menu I can see the disk but choosing it from there specifically doesn't change a thing, and I get the BootDevice not found again.

 

1 ACCEPTED SOLUTION

Accepted Solutions

‎05-08-2019 02:41 AM

HP Recommended

Did you install in Legacy mode or EFI mode?

View solution in original post

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5 REPLIES 5

‎05-08-2019 01:55 AM

HP Recommended

Hi,

Did you install the OS in EFI mode or MBR mode.

Was secure boot turned omnwhen you performed the installation?

 

Regards,

David

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‎05-08-2019 02:36 AM

HP Recommended

Hi

 

Secure boot was disabled when I installed the OS.

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‎05-08-2019 02:41 AM

HP Recommended

Did you install in Legacy mode or EFI mode?

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‎05-13-2019 01:59 AM

HP Recommended
@iomare wrote:

Did you install in Legacy mode or EFI mode?

Thank you! Your comment put me on the right track.

The OS was installed in BIOS mode and not UEFI mode.

When I changed our deployment method it went as expected.

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‎05-13-2019 02:09 AM

HP Recommended

You're welcome.

Glad you solved it and have them up and running again.

 

All the best,

David

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