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Support for the CQ57 series of Compaq notebook computers.

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My screen isn't working, how can I fix it!

It appears that the bottom left corner of my screen is cracked which it isn't and the "crack" is surrounded by black. In the bottom right corner there is also a bit of black. My screen is mainly white with a few color stripes down it. I heard the sounds that the computer would make when it turns on but the screen won't change. My keyboard seems to work because when I press cap locks and the wifi button they work. How can I fix this?

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Try connecting an external monitor.

If you get a normal display on the external monitor, the problem may be either the video flex cable, video flex cable connection (at either end) or the LCD screen.

If it happens on the external monitor as well, try starting the laptop in 'safe mode' and see if it still happens.

If it still does then it is pointing to a GPU problem. If it doesn't happen it may be a graphics driver problem

Here is a link to the service manual for your laptop. Scroll to p.64 to see the procedure for removing the LCD display.

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