HP LP2275w Appendix A Troubleshooting, Problem, Possible Cause, Solution, Power Button Lockout is

Problem	Possible Cause	Solution
		monitor enters into low-power mode. For example, if the
		Display Off time is set to 5 minutes from the current time
		and the Activity Extension is set to 10 minutes, the HP
		Display LiteSaver will not actually turn off the display until
		10 minutes of inactivity has elapsed, even though the
		Display Off time is 5 minutes from now.
	The HP Display LiteSaver may not	Confirm that the HP Display LiteSaver is compatible with
	be compatible with the computer	the system.
	system. Some notebook computers	1. Right-click on the HP Display LiteSaver icon in the
	are not compatible and the monitor
	power can not be controlled.	system tray.
		2. Select Power Off Display from the menu.
		The monitor screen should turn off if the system is
		compatible. To turn the monitor back on, wait 5 seconds
		and move the mouse.
		NOTE: If the monitor did not turn off, then the computer
		graphics driver is not compatible with the HP Display
		LiteSaver software.
The monitor is off but it did	The monitor's power saving control	Check the monitor's OSD menu setting for power saving
not seem to enter into a low-	is disabled.	enable/disable controls. The control should be set to
power sleep mode.		enable to allow the monitor to enter into low-power modes.
OSD Lockout is displayed.	The monitor's OSD Lockout	Press and hold the Menu button for 10 seconds to disable
	function is enabled.	the OSD Lockout function.
Power Button Lockout is	The monitor's Power Button	Press and hold the power button for 10 seconds to unlock
displayed.	Lockout function is enabled.	the power button function.

36 Appendix A Troubleshooting