how do l reinstall my os?

Forum discussion tagged with how do l reinstall my os?.
  1. S

    please help with toshiba C855D-S5100 satellite laptop!!

    my toshiba satillite laptop C855D-S5100 will show toshiba name then after few minutes it reads "ran into a problem and needs to restart, we're gathering error info, and then we'll restart for you" when it restarts at toshiba logo it will say "prepairing automatic repair" it keeps going in that...