Asus blank screen, works only on external

Tasos Christos

Estimable
Mar 31, 2015
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Hi guys, that's my first post here. I have a problem with my ASUS A54C laptop since a month now.
It was flickering a lot, so I was moving the video cable behind the screen as a temporary solution. One day I was doing that and my laptop shut down. When I turned it on again, I had nothing on the screen although it is bright all the time.
I bought a video cable and replaced it but it didnt fix.
I'm also connecting my laptop with an external monitor with no problem, (a tv) so I guess it's not a motherboard or graphics card issue.
Another thing I noticed is that my monitor isnt recognised any more at the devices. Instead, I have ''generic pnp monitor''. I uninstalled drivers, installed new, installed old again.. Nothing changed.. I'm really desperate.
Any ideas? Thanks a lot