HP MR4000N manual Troubleshooting, Problem Remedy

Troubleshooting

Problem	Remedy
The HP HDTV Tuner is not receiving power and the	Plug the power cord into a different power outlet.
Power LED on the front does not light up.	Make sure the power outlet works by plugging in
	another item such as a lamp.
There is no picture or sound.	Use your remote control to enter a channel number
	that worked the last time you used your HDTV Tuner.
	Double-check all cable connections. Check your
	Resolution Select setting. Check your DTV Out
	selection. Adjust your antenna.
There is no picture, but there is sound.	Double-check your cable connections. For Monitor
	Out connections, double-check the yellow composite
	cable. For Component Out connections, double-check
	the green, blue, and red cable connections. For PC
	connections, double-check your DVI/RGB Out
	connection.
There is a picture, but there is no sound.	Double-check your audio cable connections.
The picture quality is poor.	Adjust your antenna. Double-check your cable
	connections. You may need to adjust the signal
	strength. Press the Signal button on your remote
	control to view the signal strength.
The channel will not change with the remote control.	Replace the batteries in your remote control.
	Check for a direct path from the remote control to the
	HDTV Tuner.

22Troubleshooting