Question about Compaq Presario Notebook

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Cq56-115dx boots to black screen

My laptop will turn on fine, but the screen is black. If you move the screen, it will briefly show the login screen, then the screen turns to all white. Is it the video cable that's the problem, or could it be something else?

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  • Beth Smith
    Beth Smith Mar 20, 2014

    Thank you for not telling me to go to a repair shop. I did think to try an external monitor and everything displayed fine. I've ordered a new video cable thinking that is where the problem lies. Thank you for your help.

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  • 397 Answers

Your thinking along the right lines, first of all check the laptop using an external monitor, if you get the same problems on an external monitor it is likely to be mainboard/GPU fault. If display is fine on an external monitor I would recommend taking the laptop apart and check the LCD cable is connected correctly as the first port of call. If that doesn't cure your issues I would look at replacing the LCD cable, then maybe the screen.

Posted on Mar 20, 2014

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Posted on Jan 02, 2017

valeantudor
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SOURCE: Had a white and light blue screen come on when i

This is a hardware problem. I recommend resetting the BIOS (this is best to be done in an authorized service center).

Posted on Aug 28, 2010

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  • 540 Answers

SOURCE: hi mine laptop starts properly ............it also

The graphics card seems to be defective or the rams.Physical intorogation will be required to confirm the exact problem.

Posted on Jan 29, 2010

SOURCE: Black Screen

listen the answer is this. screen resolution set to a incorrect setting or video driver installed is not compatible with the hardware in the lappy. what you do is this when you reboot the lappy press the F8 key until it give alist of options boot to safe mode uninstall video driver by going to device manager or reset display resolution in the display setting try the latter first then reboot.

Posted on Apr 08, 2008

  • 5 Answers

SOURCE: Hello, My laptop turns on and

If the normal login in screen is still partially visible under a bright light, you may have a faulty backlight. Get your machine checked.
The way to work around it could be to wait until the computer has started up (look at the hard drive light) and then put your machine into standby by closing the lid or pressing the power button (according to your settings). When you start back up again the screen should turn on as normal.

Posted on Aug 31, 2011

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