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lcd issues on alienware m17x after lcd replacement.

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  • LCD
  • Alienware
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Last response: in Graphics & Displays
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July 23, 2013 9:15:16 PM

I have an alienware m17x r2 with the model K1NFP lcd screen. 1920x1200 RGB screen. The screen would work when i would boot up but usually go black after about 3-5 minutes of use. Sometimes it would just go black, sometimes it would make crazy lines and just get all messy then go black. Sometimes it would fade from the middle to the edges from white to purple/black then just go black. Drivers are up to date. However on the very bottom of the screen there is a slight line of light along the whole bottom, as if the image is stuck there or something. I'm gonna try to make a video so you can see what im talking about. An external display when hooked up works fine, never had an issue once with it. So that makes me think it wouldn't be the gpu, but im no expert i could be wrong you tell me. So i ordered a used lcd model J2CY8 1920x1200 off ebay, a slight upgrade. I ordered the whole top part of the r2 laptop so not just the lcd as i wouldnt feel totally comfortable replacing just the lcd. So it came with all the video cables/wires everything.
Well it is still doing the same thing even after i replaced it. Works for 3-5 minutes, sometimes ten or more then craps out. So what else can it be, it would have to be something inside the laptop not the screen assembly i am thinking. Could it still be the GPU or an inverter? i know nothing about inverters or such. Motherboard maybe? Also could it be a power issue? My gpu is ati radeon mobility 5870 if that helps. I'm really disappointed as i spent all that money and still didn't fix the problem, i figure that should atleast narrow it down now though. Please help me if you can or have any ideas. Thank you.

More about : lcd issues alienware m17x lcd replacement

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July 24, 2013 2:43:44 PM

If an external monitor displays the image correctly, even under load like an intensive game, then you can rule out the GPU being the problem.

When the screen "blacks out" next time, grab a flashlight and shine it at your screen. If the inverter is failing then you should still see a very faint image.
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