Solved! Laptop screen wont turn on

timaishu

Distinguished
Apr 2, 2010
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My sister brought me her laptop to take a look at. It was having trouble staying on. I believe it to be a overheating issue as I hoy hw monitor on it and it was 50-60c. Pretty hot for a laptop.

So I took off the covers, removed battery and hard drive and blew out the dust with a can of compressed air.

I put it all back together and now I get no screen. The computer turns on but I have no picture now.

Whats going on here?
 
Solution
Loose cable or you damaged something. Did you check the cable connections to the screen? Check the laptop with an external monitor, if that works, you'll know if it's an issue with the motherboard/video card or the screen.