Toshiba Satellite L50T-A - Manual (Page 86)

To access the utility, Click Desktop -> Desktop Assist (in taskbar) ->
Media & Entertainment -> DTS Sound.
U.S. patents apply to this product. See http://patents.dts.com.
Manufactured under license from DTS Licensing Limited.
Video mode
Video mode settings are configured via the Screen Resolution dialog.
To open the Screen Resolution dialog, click Desktop -> Desktop Assist
(in taskbar) -> Control Panel -> Appearance and Personalization ->
Display -> Change display settings.
If you are running some applications (for example a 3D application or video
playback), you may see some disturbance, flickering or frame dropping on
your screen.
If that occurs, adjust the resolution of display, lowering it until the screen is
displayed properly.
User's Manual 4-40