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Toshiba Satellite P875 screen is blinking from time to time?

I press power button, everything is normal, then my screen start blinking. At the same time when my screen brightness turns off or blink, keyboard brightness turns off and button brightness. It doesn't depend on time. It can happen after two minuetes or the screen will be black for 1 minuet. The best part i still can see my desktop and use mouse to shut m y laptop down. Thanks for responses. (if you want a photo of laptop, type Toshiba Satellite p875 in Google or somewhere else)

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What happens when you connect an external monitor? Does it flicker as well?

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i haven't tried yet. I suppose it will work.

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Is there anyone who knows the solution of this problem?

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Vlad, I'd try with an external monitor first. Should that flicker to, you are having issues with the motherboard video circuit. If it does not, then the error could be a bad LVDS cable, not properly seated cable or an inverter issue as well as an LCD issue. Try one thing at a time and see what you come up with.

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Ok, I will tell the results :)

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Now I cannot turn it on :(

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Yes it works with an external monitor

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If there is no flicker on your external, that means your video circuity is ok. now check teh LVDS cable to make sure it is properly seated. You could also move your display assembly back and forth with the LCD on and see if it starts to flicker. If so, check your cable for any cracks or shaven through areas.

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I checked cable and it sits perfectly

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Hello,

This is an old thread but maybe it can help.

My Toshiba Satellite has the same issue, always blinking in DOS mode during startup, sometimes randomly when Windows started and also when displaying video with subtitles (!?).

I solved all issues by opening the sceen (removing the platic cover of the screen) then putting electric protection tape everywhere inside, mainly on every steel parts.

No blink at all since!

Don't ask me why...

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What does it means when your Toshiba laptop only blinks when your on the home screen.

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Vlad will be eternally grateful.
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