Satellite L850D does not start - black screen

Ok.. My wife L850D had problems with black screening started upward after the toshiba screen.

I ran a few different utilities, including a reset... it all started about 3 weeks after the victory 8.1 upgrade.

Rang technical support who kindly informed that because we put 8.1 on that he cancelled the guarantee. (btw nice guy)
Then refused to help.

And went and reloaded Win 8 of my happens, just to see if it was a problem of hardware, software.
(yes I know, but it must have been only temp).

It starts fine, sitting there for centuries without problem.
It wasn't until I downloaded the drivers toshiba, (Yes the good) did a reboot and hey presto. black screen again.

A little, this would imply that there is a problem with the drivers of toshiba?

OK so the wife decided screw it, put Win 7 on it.
Restarted with disk in. sat and sat. Google finally informed me that I had to disable secureboot and put uefi in the csm.

OK fine, went into the bios, off course start, changed to the csm uefi and restart the computer.
Now I get nothing; screen all turns on, fan starts, cd rom shots on and nothing stops down immediately if I push the power button.

I pulled the battery, external and internal, let rest for half an hour and still the same thing.

Any ideas?

The history is for me a little confused so let me start from the beginning with some basic stuff.
In your ad write you didn t what model do you have exactly (L850D-xxx) and I can't check the specs of the laptop but I presume that this laptop comes with preinstalled OS, probably Win8.
Laptop with factory preinstalled OS that includes all the necessary drivers and tools and utilities. One of them is Toshiba Recovery Media Creator. With this tool, you can create a recovery (DVD or USB) media and it lets reinstall the original OS if it s some problem and HDD recovery does not work.
Best option now would be to use these media and install original recovery image. Did you create this recovery media?

Generally speaking when you new notebook you do not have to use the original OS. You can install anything you want, and it has nothing to do with security. You can install any OS, all supported operating systems. So I do not understand how you could get info from technical support.

In any case, try please connect your laptop to the power supply and restart laptop. What exactly happens? See Toshiba welcome screen? Try pressing F12 repeatedly. There any reaction?

Tags: Toshiba

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