Reading this guide: https://libreboot.org/docs/misc/index.html#backlight%20control You should be able to fix that issue in GNU/linux.
potato <[email protected]> writes: > I think I might have found a bug on the latest release of Libreboot > (20160818~20160907). > > For some reason the left side of the screen gets really dark compared > to the right side of the screen when the bright is lowered. If the > screen bright is on the max, that does not happen. On the 20150518 > version of Libreboot this error does not happen. > > The error happen on the X200, using the vesa framebuffer. > > (sorry if my english sounds a little weird) > > Potato > <#secure method=pgpmime mode=sign> -- Arthur Heymans
