When I open my laptop fully, nothing shows on the screen. When the cover is open 3 - 4 inches, my screen fully displays. Tried pushing small button under corner of laptop, no change. Removed cover and no visible breaks in any wiring. Anybody have this happen or have some suggestions where to check further?
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I'm not sure which model Acer you have but the pic of the keyboard looks simular to the Acer Extensa or TravelMate series laptops. If so, there's a plastic cover just above the keyboard, but under the screen that covers the display hinge. Open the display fully and gently pry up on the hinge cover. Then slide the horizontal bar next to the opening about a quarter of an inch and lift it off. You should then be abl to pry up on the keyboard to remove it.
Have you tried cycling all the way through the options with the F4? Most laptops toggle in a manner similar to: 1) Laptop only, 2) External display only, 3) Both displays, 4) Back to Laptop only (cycle repeats).
I'm assuming your screen shows nothing at all, even the bios or boot screen as it turns on.
If you can hook it up to an external monitor then your video adapter is working. Try using the vga output on the laptop. If it doesn't show anything use you display select feature. I'm not sure what button it is on your laptop but on mine it is Fn+F8 (look for a button that shows a laptop and/or a rectangle).
If you can see it with an external monitor, you should try to uninstall and reinstall the video adapter. After you reboot the computer hopefully it will work.
However, if it still does not work, you will probably need to reseat the monitor cable. Do this by opening the screen panel. on the back is a flat cable tat plugs in to the LCD. This is usually covered by tape. Carefully remove the tape, unplug the cable and plug the cable back in. Don't forget to replace the tape! I have fixed two computers in the last two weeks by reseating this cable.