Toshiba cannot reduce or enlarge by pressing FN+1 and 2 keys.

1. First make sure that Flash Cards has been started. Press the FN key and the following menu will appear< /p>

2. Click the Start menu → All Programs → TOSHIBA → Utilities → Setting For Flash Cards, copy Zooming Utility

3. Right-click the Start menu and select Explorer → Select Startup Menu →Press CRTL+V to paste Zooming Utility

　4. After restarting, you can use Zooming Utility normally.