Toshiba Satellite L300 / A300 Freezes or Restarting Problem The problem is very common in these models of notebooks (Toshiba satellite A300 and L300) freezes or restarts on AC power plug in. It works on battery power and charges when power is connected on shutdown. When it’s powered on with the AC plug connected may freeze when on, or remains on for a little while before freezing or restarts.