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Screen Flickering when start from Cold

Dell Precision M4600

My Laptop Screen flickers with fuzzy pixels when it start from cold and still flickering until it warm up then i should close the lid and open it again to disappear and back to normal state.i attached external monitor to check if this from graphics card but external monitor worked fine without any problem.i want to know if this problem from the screen itself or problem with the motherboard?

this video show how it`s flickering.it`s not my laptop but just for clairfying the problem.

https://www.youtube.com/watch?v=ctHn8P-2...

Thanks in Advance.

Contestado! Ver respuesta Yo también tengo este problema

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hi ,

I disabled optimus nvidia option from bios and this solved my problem.thanks for your help :)

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mahmoud eldeep since it displays properly on an external monitor, I'd exclude the motherboard/GPU. It is easily possible that you are having issues with the LCD. I'd start there.

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Thanks for your fast reply. but is there any explanation for this phenom? is cold can effect on the screen and make it flickering like this?

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Yes it can. coils,caps and resistor as well as transformers can have cold solder joints that may close during warm up.

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I`ll replace my screen and feed you back with the results. Thanks Man

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I have another Dell Latitude E5520 with Screen of 15.6” HD (1366x768) Anti-Glare LED. I exchanged the two LCD and my screen works fine till now on latitude without any flickering from startup and latitude screen works fine too on my laptop without flickering at startup too till now.my screen is 15.6" 1920x1080 HD Ultra Sharp Anti-Glare LED.what may cause this problem??!

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the problem not from the monitor as i replaced it with another low resolution one (1366*768) and it did not show up the problem.i think it`s something related to power input from graphics card to the monitor as FHD monitor consumes alot of power than the HD monitors.but i still can`t determine which part i should replace.

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https://okadtech.com/dell-laptop-screen-...

Hope this will help you

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mahmoud eldeep estará eternamente agradecido.
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