#error: bad shim signature error: you need to load the kernel first

1 messages · Page 1 of 1 (latest)

stray meadow
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I was installing arch on a dual booted system the drive on which i installed arch have windows 10 before and when the installation is completed i rebooted it (note: i didnt installed os-prober ). The ubuntu grub menu appeared and i didnt find arch there so i booted ubuntu and updated grub and customized the boot entry . After rebooting and when i select the arch option this error appeared .

wintry yew
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@stray meadow disable secureboot/fastboot

stray meadow
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I cant error:no vbios detected on this card i am running on discrete graphics

wintry yew
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@stray meadow for w10?

stray meadow
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No when i enable csm it autometically revert back to uefi and show this error no vbios detected on this card

stray meadow
stray meadow
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CSM, also known as Compatibility Support Module, is a component of the UEFI firmware, which provides legacy BIOS compatibility by emulating a BIOS environment, allowing legacy operating systems and some option ROMs that do not support UEFI to still be used

wintry yew
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@stray meadow can you take a photo of your bios please

stray meadow
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There is no option for legacy .this option is supported by old motherboards and just build my pc previous year

wintry yew
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@stray meadow photo please

stray meadow
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I am out buying laptop when i reach home i will share a photo

wintry yew
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@stray meadow amd?

stray meadow
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Yeah lenovo loq

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R7 7840hs

stray meadow
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The issue is solved with archboot iso . With contain fedora shim . He have 3 iso the largest ine didnt work for me try every iso and dont upgraded to latest kernel it will likely break and a new update is coming as pr the dev i talked on reddit . When u boot up the iso . The mok manager is presented enroll the mok with hash and select the kernel and grub after rebooting it will present a arch install menu and the rest u know