black screen on startup, windows starts, always black, but screen resets of sleep/resume

I assume that it is a map graphic/display similar problem that many have had, but I have a dv2626tx which has an intermittent starting problem - completely black screen, no backlight, no post BIOS, no blinking cursor, but him are lit and windows7 starts, he plays the welcome chime that login screen is in place , but its still black. The strange thing is, if I close the lid and sleep it is at that moment, then open it again, it wakes up with the screen, but at a resolution of 1024 x 768 and can not be reset to res (1280 x 800) native only other resolutions are available, brightness cannot be adjusted, cannot add a custom in Nvidia Control Panel tried everything. Device Manager no longer mentions a monitor at all. Tried new graphics drivers, still no good. The fact that I can't see even the bios after when it starts (I tried a bright light on the screen, nothing visible) suggests, it must be material, but then why the display works after I have close the lid and open it again?

Hello

modernape wrote:

If I connect an external monitor to the VGA everything displays properly, the bios post display, screen for connection etc all very well.

This means that the embedded video is fine.  Access the manufacturer's Web site and download the driver, but do not install it right away.  From the Control Panel, remove the video driver. Reboot the laptop. Now, install the driver that you downloaded.

Please post your results here.

Best regards
ERICO

Tags: Notebooks

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    You can create a recovery disc or someone else use same version (to do the system restore
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    How to create a Windows 7 system repair disc
    http://www.SevenForums.com/tutorials/2083-system-repair-disc-create.html

    ------------------------------------------------

    These require good Windows 7 drives (especially if you can not start safe mode).

    Try the Startup Repair tool-

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    http://Windows.Microsoft.com/en-us/Windows7/what-are-the-system-recovery-options-in-Windows-7

    How to start on the System Recovery Options in Windows 7
    http://www.SevenForums.com/tutorials/668-system-recovery-options.html

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    How to run a startup repair in Windows 7
    http://www.SevenForums.com/tutorials/681-startup-repair.html

    -----------------------------------------------

    Here are a few Google searches where many have found different solutions:

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    http://www.Google.com/search?hl=en&source=HP&q=Vista+black+screen&AQ=f&OQ=&AQI=G10

    Vista black screen Solution
    http://www.Google.com/search?hl=en&q=Vista+black+screen+solution&AQ=f&OQ=&AQI

    Vista black screen Fix
    http://www.Google.com/search?hl=en&q=Vista+black+screen+fix&AQ=f&OQ=&AQI

    -----------------------------------------------

    If necessary and you can access all ordinary Windows.

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    How to start on the System Recovery Options in Windows 7
    http://www.SevenForums.com/tutorials/668-system-recovery-options.html

    How to do a repair installation to repair Windows 7
    http://www.SevenForums.com/tutorials/3413-repair-install.html

    ---------------------------------------------------------------------------

    Another method that works sometimes: at the command prompt, type of Windows 7 boot disk:
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    RESTART Windows

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    Rob Brown - MS MVP - Windows Desktop Experience: Bike - Mark Twain said it right.

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