Restart the problem after booting on Satellite Pro L20 - approx. 4 seconds

I have a toshiba satellite pro l20 series and it worked fine until yesterday.
the problem is that it restarts... Well actually, he stops in about 4 seconds after the start, remains closed for 1 or 2 seconds and then again
same problem occurs with or without the battery.
all I see is the Toshiba logo. I can enter the bios and when in the bios it does not stop.
When I get out of the bios, saving the changes he stops. and then begins by itsself after 2 seconds.
Please help me... How can I fix?

Hello

If the laptop goes through the Toshiba logo then maybe there is just something wrong with the software.
In this case, the first step should be again install the Toshiba Recovery CD.
Put the CD in the drive and try to boot from the CD.
After installation, all should work properly.
If it's not, so I guess there is a serious problem and service guys should check the laptop.

Tags: Toshiba

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