> On Thu, 19 Sep 2019, Jerry Geis wrote:
>
>> I installed my first UEFI disk yesterday. Seemed to go fine. CentOS 7.6
>> x86_64
>> I then took that disk "out" of that machine and put it another machine -
>> it
>> seems to not even boot.
>> I put the original disk back in that machine and it boots fine.
>>
>> I put the UEFI disk back in the machine I built it on and it works fine.
>> They are similar machines either and i3 and i7.
>>
>> Shouldn't that work? Build a UEFI disk on machine A - move it to
>> machine B?
>
> I think the issue is that the UEFI firmware doesn't know which UEFI boot
> loader to load. I think this should help:
>
> https://noobient.com/2017/09/27/fixing-the-efi-bootloader-on-centos-7/
>
> Boot into rescue mode, and run:
>
> efibootmgr --create --label CentOS --disk /dev/sda1 --loader
> "\EFI\centos\shim.efi"
>
> I think you then should end up in a happy place. You can probably add
> that entry by hand within the UEFI config itself.
Just wondering, will it still boot if he then puts the disk back to the
other machine?
Regards,
Simon
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