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Screen flickering on devices with Intel graphics
A possible cause can be buggy Intel graphics power management. You can try disabling it by adding i915.enable_rc6=0 boot flag.
To do this from a running system and make it permanent, run the following terminal command:
- EDITOR=gedit sudo /etc/default/grub
File /etc/default/grub will be opened in gedit with administrator privileges (so be careful with the next step).
- Find the GRUB_CMDLINE_LINUX line
- Change it to look like this:
- Save the file.
Restart for this to take effect.