Alienware M17x-r2 - LCD turn does not on

Hi I opened the laptop using the maintenance manual to clean the radiators to the GPU and the CPU. I also removed and reapplied thermal paste. I have remove the display cable and the cable from camera to the motherboard. I reassembled everything and everything seems to work very well, but I have been using an external monitor via HDMI only. I just opened the laptop screen but it won't turn. The webcam still seem to work. I took apart and reinstall the time of 3 or 4 display cable, but not luck. External screen works fine, but it does not detect the laptop screen. any suggestions that I could try? I don't think it came out behind the LCD. I never took off the screen or pulsed on the cables to make it to detach. Thank you.

It's the cable or the LCD screen. There is no way to know with certainty what one it is until at least one of them is replaced.

In case of warranty, we can send a technician to take a look at the computer. You can send me a private message with your Service number and contact information if you need more assistance.

Tags: Dell Products

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