Question about Compaq Presario R3000Z Notebook

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My monitor does'nt work, computer boots up but the monitor is black. What can I do?

Not displaying any thing ,remains black.

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  • Anonymous Jan 27, 2008

    This can be caused by:

    1.The monitor is not connected properly.
    2. Bad hardware

    Verify that the monitor is properly connected in the back of the monitor as well as to the back of the computer.

    If the connections are OK it means that monitor or the video card is probably damaged. To test which component is dameged connect a different monitor to your computer or connect your monitor to a different computer.

    If the other monitor works on your computer it means that your monitor is bad and if your monitor works on another computer it means that you probably have a damaged video card.


    The solution to your problem is probably not the monitor, follow these steps:
    1. Connect and boot your computer with 2 different monitors.
    2. If it does'nt work with either of them the problem is from another computer component.
    Posible Problems:
    1. Your video card may be damaged or moved from it's slot.
    2. Your proccessor may be damaged.
    Posible solutions:
    1. If you have computer hardware knowledge open the case
    2. Remove the Video card.
    3. Insert it back or insert another video card from a friend.(if it works with your friends card, obviously the video card is the problem)
    4. Restart your computer and see if it works.
    Now if it does'nt work after that you will have to replace your proccessor with one that works, from a friend, because you say your computer boots but if your monitor doesn't work you don't know for sure if it boots corectly.
    The steps above are only for people with hardware knowledge, if that is not your case you should contact a computer service.

  • Anonymous Mar 17, 2008

    my computer boost but the moniter is black what should i do?

  • gwakisa Apr 30, 2008

    my computer when i switch on no boot and when i connect to my monitor no signal appear. also i tried to connect to another monitor is the same as the first monitor. i try to change a a VGA card but the same. i try to change CPU no solution happen. what can i do now to know the problem of ma Computer?

  • ejwilliams19 Feb 14, 2009

    I have the same issue. The computer will boot up but the laptop screen is black. Started out doing it intermittently and would have to re-boot 4 or 5 times - now it won't turn on at all!

  • Frosty555 May 11, 2010

    Are you referring to an external monitor? Or to your laptop's screen?



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When i start up my computer i can hear the sound of the welcome screen and desktop but the monitor remains black with stand by orange light but when i make restart it works normal.

Posted on Aug 18, 2009

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The above procedure will work fine for a desktop machine. This is a laptop...Check to see if the softswitch (function key to switch from internal to external monitor) is set wrong.

Posted on Jan 28, 2008


For the external monitor

Posted on Feb 02, 2008

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