Flashing / blinking screen on Qosmio F50

Hello

I have a persistant problem with my F50 - 12L screen, suddenly, the brightness of the screen/flashing / display flashes monte and down all of a sudden (it's not weak, it happens when I'm not working as well)

When I start my laptop, everything is smooth and works very well, suddenly it start to blink/display brightness up and down and flashing seconds, then disappears and back to normal! I use the drivers the most recent and latest 2.2 bios and OS is win7 ultimate 32 bit.

I took it twice for the authorized reseller/support here in Egypt who called El-Araby Toshiba: http://toshiba.elarabygroup.com, whenever they say nothing wrong with it! I check it before leaving and all is well, and I tell them it's happening all the time, it happens right in front of them (is it my fault? lol) and back to the House and test it, he can run for hours without blinking etc, but all of a sudden he started once again for a while and disappear and so on...

I thought that this is a problem with the adapter, it also happens when I'm working on the battery, and I tried to remove the battery and work on the adapter directly (to check if there is nothing wrong with the battery) and it happened again.

Also, I tried to change my power mode, I tried all: high perf, balanced & power save modes, it "s happens regardless of the mode that I use.

* Sometimes, when it happens, there is a noise hmm I do not know the source of the sound, but it seems to be the fan! (not sure, weird low sound! it's like zzzzz) I tried to set the screen and flashing/blinking disappears, but he don't help all the time, is there a problem with the screen itself?

I got tired of this and of this support officer here in Egypt I can't drive for all the days 2 hours for nothing useful, and it's hard for me to leave the laptop for days each week when it happened.

Everyone is facing these issues with screen blinking/flashing like mine? Do you have any ideas or suggestions in this regard? Toshiba provides direct email support? I couldn't find their email support, if so, I would be grateful to provide me with it, and any help is very appreciated.

Sincerely,

I m no technician and it is not easy to create some opinion or give advice based on the description of your problem. It's always the best way to understand the problem to see exactly what is happening. What it looks like, how the laptop or screen responds.

It will be interesting to know if the same happen when the laptop is connected to an external monitor only. If this is not the case, the problem described is probably associated with LCD or FL inverter (because of its strange, you can hear).
Can you please test and send more information?

Tags: Toshiba

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