I had the same problem. I closed the lid of my laptop, then the backlight went out. But a fraction of a second later, it wen back on. The fix of mackkie worked for me too.
This bug didn't happen for me in Feisty Fawn, but only in Gutsy Gibbon.
I use an Dell Inspiron 9400.
I had the same problem. I closed the lid of my laptop, then the backlight went out. But a fraction of a second later, it wen back on. The fix of mackkie worked for me too.
This bug didn't happen for me in Feisty Fawn, but only in Gutsy Gibbon.
I use an Dell Inspiron 9400.