Satellite Pro M40 sometimes starts with white screen

Hello!

I'm pulling out my hair with this problem.

For no definable reason that according to me, my laptop will start with a blank screen.
Not all the time, but, seemlingly, whenever it feels like I need extra help stress on my plate.
For the most part, with perseverance (starting with or without battery, with or without the adapter, with or without pci with or without mouse usb network card and any combination of these elements), it ends by lights correctly, but sometimes Nothing that I won't get it to start and show me a screen.

My M40 is 4 months old.
Since it's purchase sent to Toshiba for repair twice for this problem, when I have exhausted myself trying to coax it into life. Whenever he was sent by saying either the problem has been fixed, or that he had no problem found/all systems ok / "it works very well for us, after testing all week."

This week [edit: it was Wednesday], I sent it to me, and Yes, I checked the trunk upwards and gave a sigh of relief that there is an image on the screen.
I wrote a letter to this topic a day or two later (that day he first gave me a screen white, but on closing down and restart, it was fine).
Today, however, not a week later, I have a white screen again.

I am reluctant to send for repair again, due to the stress involved and the time it takes and the technicians speaking it works for them.

If anyone can help, or was faced with a similar problem, please respond.

Oh, and the solution does not lie with the keys FN + F5, because I tried several times... unless there is a way to 'special' to build on them, I'm not in the running for!

[Edit]: several hours later, as a demonstration of her bored this problem is, my screen is once more working.

I went on once again, at the time and no joy. Then, after switching OFF, count to ten and the restart, eureka.

I'll update with news as it happens. If there are all the necessary specific details about "switching on the environment", just let me know.

Post edited by: jazziefox

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Hello

Thank you for your update.
It's a very strange question, and it would be very helpful if you can put yourself more observational.

Tags: Toshiba

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