Samsung SP-P400B - Manual (Page 29)

again.
Screen appears in black and white or
odd color./ screen is too dark or
bright.
z As mentioned above, check the adjustment items such as the Brightness,
Contrast and Color in the menu.
z If you want to restore various settings to their factory defaults, run <Factory
Default>from the menu.
The <Mode not supported.
Recommended Mode: 800x600 60Hz>
message appears.
z Set the resolution and the refresh rate for your PC display to 800x600 and
60Hz respectively.
z See the "3. Connections" - "Basic settings" - "Setting up the PC Environment"
section herein for details on the setting.