Backlight not working properly
i have the exact same problem. after a cold boot, the backlight is completely black. I changed the energy saving settings to 3hrs 3hrs. Now I can get the backlight to work by bringing the brightness to 0 and back to 1 with the F1 and F2 keys. It will go out again within a couple of seconds but if I keep it up for 5 minutes or so, it finally stays on, at which point I am able to increase the brightness and it will work for a couple of hours or so. I am considering ordering and inverter board and cable.
Is this a good question?