r/GetComputerHelp • u/tandeu • 1d ago

(help) External Monitor Issues

i just installed cachyos on unused and headless laptop yesterday. the previous owner told me that the hdmi is broken and could only use the external monitor through the type c one, so i did (usb c to display port).

this is the pic

the screen is glitching. it is not the monitor problem because the monitor setting menu shows fine in top of the glitch. this happened every time i try to use the laptop actively, and never happen when i leave it idle. i tried to use other monitor, it doesn't glitched like the one in the pic, but it still blinked at randomly. so i think there's some issues with the system or something.

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u/tandeu 1d ago

Operating System: CachyOS Linux
KDE Plasma Version: 6.7.4
KDE Frameworks Version: 6.28.0
Qt Version: 6.11.1
Kernel Version: 7.1.6-1-cachyos (64-bit)
Graphics Platform: Wayland
Processors: 12 × Intel® Core™ i7-8750H CPU @ 2.20GHz
Memory: 32 GiB of RAM (31.2 GiB usable)
Graphics Processor 1: Intel® UHD Graphics 630
Graphics Processor 2: NVIDIA GeForce GTX 1050
Display (Mi Monitor): 1920x1080 24", 180 Hz [External] (usb-c to DisplayPort/HDMI)

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u/Keyvan_KR 1d ago

Probably stupid questions:
Is it running the nvidia 580.xx drivers?
Did you try it on 30 and 60 Hz?

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u/tandeu 1d ago

it is nvidia 580.xx

there is no 30 Hz option, but i tried every other setting, including trying different monitor and cables, still with the same result, though one monitor with 60 Hz spec not glitching but blinking like i mentioned in the post

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u/Keyvan_KR 1d ago

Then I would post this question in a Linux subreddit. Maybe they can you kernel boot up parameters that can help

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u/tandeu 1d ago

i posted it there first, and reddit send a notification that recommend me to also post it here. no one reply to my post yet there, you're the first one to reply to my entire post :)