In order to hard reset a Toshiba G500, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Toshiba G500 device will be brought back to the default configuration of a brand new device.
1. First, turn on the phone with Power button.
2. Type in this code - *#9999#. Confirm.
3. Type in the password (0000 by default). Confirm.
4. Voila, the hard reset is over.