dv7 work, but the screen is blank

I had my dv7-4180us for a month.

The screen just deleted one day... the backlight of the lcd screen is turned on, and when I connect to an external monitor it show that the laptop itself works very well.

When booting the laptop, the screen flickers when the hp logo comes on with the 'Starting Windows' screen (it flashes briefly and remains off even when you press F8 to access the BIOS screen). A cursor then comes to the screen (with the circle "busy" thing), for approximately 2 seconds, during which the display IS stable. Then that's it. You hear the sound when the logon screen is supposed to appear, and also when Windows actually loads. Occasionally, it sparkles, but the screen remains blank with the LCD backlight on. Fan comes on intermittently, as usual, all lights are functioning normally.

Once she nomalised by itself for about 2 days, then deleted again. Windows restore did not work. The only support of HP said something had to perform a recovery, as it could be a windows problem. But it won't have the same BIOS display!

Help!

Hi again sent to the laptop to hp. came back, with the display now works correctly.
On the worksheet they have ticked 'View' and 'Cable '. So, it is obviously a cable problem.

Thank you all.

Tags: Notebooks

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