Compaq Presario 2190US Notebook Logo
Posted on Jan 20, 2009
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Compaq R3000 laptop screen went black

I used my Compaq R3000 laptop early this morning, with no problem; I didn't turn it off but allowed it to go to sleep. When I returned to it a couple of hours later, the screen was black, although the computer obviously was on (hard drive and fan noises, orange indicator lights including caps lock). I managed to connect it to an external monitor, and it worked fine.

Any suggestions? Does this necessarily point to a hardware problem (backlight, invertor)?

Many thanks in advance.

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  • howard_g599 Jan 20, 2009

    Thanks for the suggestion. Unfortunately, no luck. I still get no video unless I attach the external monitor.

    (My battery is still out, by the way.)

    Any other ideas? Thanks!!

  • howard_g599 Jan 20, 2009

    Fn + F4 toggles the external monitor on and off but the laptop screen stays black.

    Fn + F8 does nothing.

    Thoughts, please?

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  • Posted on Jan 20, 2009
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Give this a try -

1. Remove all USB devices such as printers, mp3 players etc etc.
2. Remove the power-cable and the battery
3. Press and hold the power button for 30 seconds
4. Put the power-cable back in but not the battery and none the USB devices.
5. Turn the computer on

Let me know if it doesnt work.

  • Anonymous Jan 20, 2009

    OK, Put the battery back in and try these -







    Fn + F4
    External monitor on/off





    Fn + F8
    Brightness up

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