The User Guide should be installed on the laptop. Look under
Start | All Programs | Toshiba
There may be an icon for it on the Desktop.
If not there, you can download it here:
Toshiba P300 User Guide
or view it online here:
Toshiba P300 User Guide
Click the User Guide tab
This page isn't your exact model, but the User Guides are written for a series, not a particular model.
The Media button is reprogrammed using the
Toshiba Assist utility
Click
Start | All Programs | Toshiba | Utilities | TOSHIBA Assist.
Click
Optimize
Click
TOSHIBA Button Support
Select the button you want to change, enter the Description and Path to the program, click
Register
Don't forget to make your Recovery DVDs:
Start | All Programs | Recovery Disc Creator.