How to Reset My Toshiba Television
If your Toshiba television is having problems, there's no need to call a repair technician right away. Reset your Toshiba television set and return it to factory settings. Resetting can help issues such as when the TV has stopped responding to remote signals, or won't go into the menus.
It even helps if the TV won't turn on or off.
Locate the "Power" button on the front of the TV.
Press and hold the "Power" button on the front of the TV.
Hold down the button for longer than five seconds, then release.