Comment 107 for bug 765438

Revision history for this message
Jānis Kangarooo (kangarooo) wrote : Re: On startup, the backlight is off on laptop

Emachines e525
Intel Celeron 900 @ 2.20 GHz
12.04 black screen.
Latest kernel: Found linux image: /boot/vmlinuz-3.2.0-33-generic-pae
Tryd
acpi_osi=Linux

Since on booting its still black and i dont know when its started but only after doing one change of brightness then i added setpci -s 00:02.0 F4.B=00 to sudo gedit etc/rc.local and it works on boot already.
BUT after suspend doesnt so i need again to change brightness once so it lights up again.