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I use Ubuntu 20.04.2 LTS. My laptop screen brightness get 0% at login screen after restart every time. When login screen first time appears the brightness level is ok but 1 second later goes to 0. I need to set it manualy to see password field. Tried this solution but it doesn't work.

You can check my inxi output about my hardwares here. HP Elitebook 845 G7

Can u help me?

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1 Answer 1

Reset to default
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Here is the solution:

This phenomenon caused by Ambient light sensor. If u have same problem just remove iio-sensor-proxy package with synaptic or via terminal.

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