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05-05-2009 12:46 PM
My sister has a Compaq Presario C500 notebook. It is out of warranty coverage. One day my sister shut the cover as she traditionally does and when she opened it again the next day, there was no backlight. You can still see a faint image when held at the correct angle with some ambient light. I hooked it up to an external monitor to double check this and the computer is outputting the signal fine. So I've narrowed it down to three things.
- Lid switch that automatically turns off the backlight
- Inverter, supposedly fails more often the backlight
- The actual backlight
07-30-2009 01:00 AM