Follow-up Comment #1, bug #59720 (project grub):
Dear all,
I had the same problem.
I am running a dual boot with Windows 10 (which was installed first) and
Garuda. Asus Tuf 310 + i5 + Radeon RX 580 on 4k monitor.
Shutting down or restarting from windows worked perfectly and took me to grub
menu. Restarting from garuda brought me to a black screen (didn't even show my
motherboard logo) that glitched briefly. Then Garuda loaded normally after a
few seconds.
In my case, "videoinfo" returned the list of possible resolutions but it was
set to auto. running "videotest" opened a colorful test screen but rebooted in
3 seconds.
I fixed the issue by opening Garuda and setting GRUB_GFXMODE=1230x1024 (the
highest resolution suggested in "videoinfo") and updating grub. Then, the
splash screen and the grub menu loaded perfectly.
I found that other users are also having this issue, also in cases of 4k
monitors.
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