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Ubuntu screen going black after login

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I'm using Ubuntu 22.10 on a Dell laptop. I recently tried playing with the display settings to save battery life. I decreased the frame rate to 48 Hz and reduced the screen resolution to the minimum value. But as soon as clicked apply, my screen went black. How can I undo this change and bring back the display to the default state? I tried rebooting the system and the boot screen and login pages are being displayed as before, but as soon as I login the screen goes black.

I'm able to login to the 'tty' mode, can someone suggest the commands I should run to change the display settings to the default value?

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Found an answer here. Deleting the ~/.config/monitors.xml file fixed the problem.

I sit in a Tesla and translated this thread with Ai:

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