Re: [Trisquel-users] Various problmes on a new installation

[mikko . viinamaki]

In the intel_backlight folder there is a file named brightness. cat its value  
and then change the brightness and cat again. Does this number change? Try  
changing the number.

sudo sh -c "echo X > /path/to/file" where X is some number
Does the brightness change when you change the number?