HP X23, X22C manual Troubleshooting, Solving Common Problems, Problem Possible Solutions

A. Troubleshooting

Solving Common Problems

The following table lists possible problems, the possible cause of each problem, and the recommended solutions:

	Problem	Possible Solutions
	Power LED Is Not ON	• Make sure the power button is ON and the Power Cord is
		properly connected to a grounded power outlet and to the
		monitor.
		• Make sure the external power adapter is connected to DC-
		input on the rear of the monitor.
	No Plug & Play	• In order for the Plug & Play feature of the monitor to work,
		you need a Plug & Play compatible computer & video card.
		Check with your computer manufacturer. Also check the
		monitor's video cable and make sure none of the pins are
		bent.
		• Make sure the HP Monitor Drivers are installed (HP Monitor
		Drivers are available at : http://www.hp.com/support)
	Picture Is Fuzzy & Has	• Adjust the Contrast and Brightness Controls.
	Ghosting Shadowing	• Make sure you are not using an extension cable or switch
	Problem
		box. We recommend plugging the monitor directly to the
		video card output connector on the back of your computer.
	Picture Bounces, Flickers Or	• Move electrical devices that may cause electrical
	Wave Pattern Is Present In	interference as far away from the monitor as possible.
	The Picture	• Use the maximum refresh rate your monitor is capable of at
		the resolution your are using.
	Monitor Is Stuck In Active	• The Computer Power Switch should be in the ON position.
	Off-Mode	• The Computer Video Card should be snugly seated in its
		slot.
		• Make sure the monitor's video cable is properly connected to
		the computer.
		• Inspect the monitor's video cable and make sure none of the
		pins are bent.
	Missing one of the primary	• Inspect the monitor's video cable and make sure that none
	colors (RED, GREEN, or	of the pins are bent.
	BLUE)	• Make sure the monitor's video cable is properly connected to
		the computer.
	Screen image is not	• Adjust H-Position and V-Position or press hot-key (AUTO).
	centered or sized properly
	Picture has color defects	• Adjust RGB color or select color temperature
	(white does not look white)
16 Appendix A. Troubleshooting		ENWW