HP LE1901w NK570A8#ABA, LE19F Problem Possible Cause Solution, Power Button Lockout is displayed

Problem	Possible Cause	Solution
HP Display LiteSaver doesn't turn off	The Activity Extension time	The default Activity Extension value is set to 10
the monitor screen.	has not elapsed.	minutes. The HP Display LiteSaver will wait to detect
		no input or movement from the keyboard or mouse
		for 10 consecutive minutes after the Display Off time
		has passed, before the 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	Confirm that the HP Display LiteSaver is compatible
	not be compatible with the	with the system.
	computer system. Some	1. Right-click on the HP Display LiteSaver icon in
	notebook computers are not
	compatible and the monitor	the system tray.
	power can not be controlled.	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 not seem to	The monitor's power saving	Check the monitor's OSD menu setting for power
enter into a low-power sleep mode.	control is disabled.	saving enable/disable controls. The control should
		be set to 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
	function is enabled.	disable the OSD Lockout function.
Power Button Lockout is displayed.	The monitor's Power Button	Press and hold the power button for 10 seconds to
	Lockout function is enabled.	unlock the power button function.

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Preparing to Call Technical Support

If you cannot solve a problem using the trouble shooting tips in this section, you may need to call technical support. Have the following information available when you call:

●Monitor model number

●Serial number for the monitor

●Purchase date on invoice

●Conditions under which the problem occurred

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