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Monitor Stops Working on Ubuntu Raspberry Pi 4

cn flag

I have installed Ubuntu 21.10 on my Raspberry Pi 4 Model B. I try to connect it to my monitor, and it starts up find, and sometimes I'll even see the login screen, before I lose connection. The only things I have changed is dtoverlay=vc4-fkms-v3d. Any help would be appreciated, I'm new to Linux.

cocomac avatar
cn flag
Perhaps a silly question... are you able to test with a different monitor and cable?
Daksh Gupta avatar
cn flag
I have a different monitor I can test with. Also, the terminal works without the display turning off. (The ctrl+alt+f3 one)
Daksh Gupta avatar
cn flag
It is 3840x2160 and 60hz.
Daksh Gupta avatar
cn flag
NOTE: I think it fixed when I plugged it into HDMI 1 instead...
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