Samsung SP-P410M Troubleshooting, Be sure that the Color, Brightness settings are not at their

	Symptoms	Troubleshooting
Screen and	Cannot see picture images.	Be sure that the power cord of the projector is connected.
External		Be sure that the proper input source is selected.
Source
		Check that the connectors are properly connected to the ports
		at the back of the projector.
		Check the Remote Control batteries.
		Be sure that the <Color>, <Brightness> settings are not at their
		lower limit.
	Poor color.	Adjust the <Tint> and <Contrast>.
	Images are not clear.	Adjust the focus.
		Check that the projection distance is either too far or too near
		to the screen.
	Strange noise.	If a strange sound continues, contact our service center.
	The operating LED is lit up.	Refer to Corrective Actions According to LED Indications.
	Lines appear on screen.	Because noise may occur when using your PC, adjust the fre-
		quency of the screen.
	No external device screen is displayed.	Check the operating status for the external device and check
		whether the adjustment items, such as the <Brightness> and
		the <Contrast> have been changed correctly in the <Mode>
		command screen of the Projector menu.
	Only blue screen appears.	Be sure to properly connect the external devices. Check the
		connection cables again.
	Screen appears in black and white or odd	As mentioned above, check the adjustment items such as the
	color./ screen is too dark or bright.	<Brightness>, <Contrast> and <Color> in the menu.
		If you want to restore various settings to their factory defaults,
		run <Factory Default>from the menu.
	The <Mode not supported. Recommended	Set the resolution and the refresh rate for your PC display to
	Mode: 800x600 60hz> message appears.	800x600 and 60Hz respectively.
		See the "2-3-2 Setting up the PC Environment" section here in
		for details on the setting.
Multimedia	I hear no sound when playing a video file from	Check the audio format of the concerned video file.
Function	my USB storage device.	The sound effects are not available for non-supported formats
		such as AC3, etc.
		Convert the audio format into a supported format using a video
		converter.

5-1 Troubleshooting