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Flashing black screen pre startup on Windows 10


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For the past week or so, my laptop will not startup. It will not load anything at all; no Toshiba logo, no Windows screen, nothing, ie I CANNOT get into safe mode at all. Instead the screen stays black and a light will flicker on and off. Power light, WiFi light, and battery light all light up normally.

Sometimes, it will eventually boot up and I can use it without any problems. 

I am running Windows 10 on a Toshiba satellite c55-c5241.

Any help would be appreciated!

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On 8/16/2017 at 11:02 PM, Amahanako said:

The laptop is 3 years old

Not old at all. Just a baby... however, probably just old enough to not be covered by a warranty. ;)

Since you get some power from it and it works "sometimes", it's probably not the OS, Hard Drive, Screen. Could still be a Power Supply or Memory that's failing. 


Keep us updated here if you are able to find root cause.

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