Fix Fault Toshiba

i have toshiba satelite laptop i think i have virus the screen is dark grey i have tried f8 it wont start up the name toshiba comes on then i cant get it to work, can you help please

my toshiba laptop over heats and shuts down after about 15mins of use what could be the problem?

and icant able to install iweb cam in my laptop, last week i was installing my nokia hardware through usb cable in laptop and by mistake i take out the usb cable and after that my old webcam stopped w ... more

windows system 32 cofig/system corrupt or missing, thats what comes up when i turn my lap top on. it says to run windows set up cd, but ofcourse i don't have it neither does anyone I know(windows xp h ... more