Question about HP Compaq Presario CQ50-210US Notebook

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Blank LCD laptop does turn on

LCD is blank, there is a white LED at the charger port that is on, the power button is white and the wireless is lit red. At the left bottom of the keyboard there is a series of three LED's, the leftmost one is white, this is the power indicator. The Disk LED occasionally lights white for a breif moment.
- The laptop worked normally in the morning, was powered off and has had these simptoms since then. I have removed the battery and reinserted, attempted reboot using Control+ALT+Delete but see no change.

I also attempted cabling an external LCD monitor, however this also remains blank, even after attempting Function+F4 several times with a few seconds between presses to try to activate the external screen.

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  • thedan04 Sep 28, 2009

    I had already attempted function+F4 key as noted earlier. I believe the onboard video completely dead as there is no picture at all, even when shining a bright light on the LCD and the laptop is no longer in warranty.

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I beleave you may need to press the function key as well as the F-4 key to bring up an external monitor.
Try holding down the Function key and tapping the F-4 key while watching the screen on the external monitor.
Is your unit within warranty, HP offer an extended 1 year on top of your normal 1 year warranty for video and motherboard issues.
Hope this has helped.

Posted on Sep 28, 2009

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