Screen flickering and laptop goes to sleep

I dual booted my laptop with Ubuntu 18.04 along with Windows 10, just a few days back. My laptop is Dell Inspiron 5567, 8GB Ram, 1TB HDD and Intel HD graphics. So, after booting, the laptop screen suddenly flickers and then the laptop goes to sleep. I don't know why this is happening. Any help would be appreciated.

1 Answer

It's probably the display driver or the refresh rate.

Go to Preferences->Display/Monitors and check the refresh rate. You will need to determine what it needs to be for your monitor (Google)

If that's okay, check the version of the display driver you are using.

sudo lshw -c video | grep 'configuration'
sudo lshw -c video

Then you will need to determine what's supposed to be there. This means determining what your graphic card is.

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