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I have hp pavilion dv6226us and when booted up the screen stays dark. You can see display only if you shine a light onto the screen. I tried to turn up the brightness and did't have any luck.
Same thing and about 3 months past warranty end (of course). Yesterday I noticed the screen flickering a bit. Later, I went to use the laptop and the screen was very, very dark. I can barely make things out if a bright light is shined on the monitor. I've plugged an external monitor into the laptop and it works.
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The inverter is almost always below the screen in the bezel. You should only need a plastic pry bar (cost about $3) and you pop the bezel off from the screen side usually, you may need to check for screws under any rubber stops on the screen too. After the bezel is off the inverter should be on the bottom with two plugs into it. Unplug, pull it out and swap.
When the following situations, you need to replace the LCD screen: No image on the screen, but the power light stays on Dark display but still readable Between the screen flashes on and off 1/2 to several seconds Power light stays on, but no display and sound No image on the screen, but LCD TV still has sound Picture cycle on and off, as well as high-power LED lights
well as i see from your problem explanation i believe that the LED which are at the backside of your LCD screen is not working so its better to troubleshoot from that angle. good luck
Shine a torch light onto the screen. If you can see a faint outline of the images, it could indicate a back light failure. Unfortunately, you cannot fix this by yourself. You will need to take it for servicing.
The VGA card or the VGA driver is not properly installed,perhaps.Try reinstalling the driver.
If you suspect the monitor brightness controls then try fiddling with them untill the brightness is good enough.
Check monitor cable also(VGA).
When the screen goes dark shine a flashlight in the lower right hand corner where the Start button typically is located. If you can see faint images then you have a backlight problem.
If you don't see anything then try connecting a spare monitor in its place. If that works then you have some other type of problem involving your LCD monitor. In both cases unless you have the experience and tools to safely work on fairly delicate electronics this is not a repair job for the typical consumer.
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