Linux fix screen brightness controls

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↑ Linux

Linux fix screen brightness controls

Open the grub file from the directory /etc/default or run the command:
```
sudo nano /etc/default/grub
```
in a terminal.

Edit the following line from:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"

to:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash pcie_aspm=force acpi_backlight=native"

Run the command:
```
sudo update-grub
```
Restart your computer