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Upgraded the CPU and now have GPU problems... any help? (self.linux)

submitted 15 hours ago* (last edited 15 hours ago) by mumei to c/[email protected]

10 comments fedilink hide all child comments

I went from a 2600x to a 5600 (yes, MoBo is compatible after BIOS update) and now for some reasons I get 1FPS in games and monitor is not really detected (resolution is fine, but I can't change refresh rate and in "color" settings it's shown as "None-1 Monitor").

I tried:

monitor factory reset;
updating GPU drivers (was already running latest);
removing and purging GPU drivers (sudo apt remove ~nnvidia and sudo apt-get purge nvidia*) and reinstalling (sudo apt install pop-desktop system76-driver-nvidia);
resetting RAM speed to factory (2400Mhz).

Still nothing.

As you can guess from the commands, I'm running PoP!_OS and a nVidia GPU.

What else can I try?

Thanks in advance!

Issue found: I disabled secure boot from BIOS and now I can change resolution and refresh rate. Since I updated BIOS just before installing the new CPU it went under the radar

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[–] [email protected] 5 points 15 hours ago (2 children)

When you swapped CPUs, did you remove your GPU? Even if you didn't, are you sure it's fully seated?

[–] mumei 12 points 15 hours ago* (last edited 15 hours ago) (3 children)

Issue found: I disabled secure boot from BIOS and now I can change resolution and refresh rate. Thanks for the help!

[–] vikingtons 5 points 12 hours ago

FWIW, your UEFI is generally likely to reset with significant hardware changes (system memory, CPU). It's generally fine with video card, disk and power supply swaps so long as it doesn't boot into a stop code as a result.

[–] [email protected] 3 points 11 hours ago

How does that make any sense?

[–] [email protected] 4 points 14 hours ago

Huzzah! Congrats

[–] mumei 3 points 15 hours ago

Checked it just now and yes it's properly seated. Checked power cables too and those are good as well. Cleared CMOS and now display defaults to 1024*768 resolution with no way to change it lol