Random Shutdown

hello everyone.... i am new to this site and all, as i got here by google..... but anyway, i have had my Toshiba Satellite M645-S4050 for a little over a year now and i have been having random shutdowns for more than a few months now. It doesn't matter what i am doing, my computer will just...

Hello there, Apologies if this is the wrong section or has already been discussed but this seemed the appropriate place to try and get some answers to my problems. I recently bought an envy14 for my girlfriend and after updating and installing software etc she was using the computer and for no...

I have an A200-1YO, 1.66ghz, upgraded to Windows 7 RC and 4Gb 667mhz PC 5300 RAM. My problem started about a month ago when i was still running Vista Home Premium and 3Gb of Ram. The machine just started switching itself off randomly. No warning, no error codes, no shutting down or logging off...