HP LP2475w HP LP2275w and LP2475w LCD Monitors User Guide - Page 42

Appendix A, Troubleshooting, Problem, Possible Cause, Solution - drivers

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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 be compatible with the computer system. Some notebook computers are not compatible and the monitor power can not be controlled. Confirm that the HP Display LiteSaver is compatible with the system. 1. Right-click on the HP Display LiteSaver icon in the 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 function is enabled. Press and hold the Menu button for 10 seconds to disable the OSD Lockout function. Power Button Lockout is The monitor's Power Button displayed. Lockout function is enabled. Press and hold the power button for 10 seconds to unlock the power button function. 36 Appendix A Troubleshooting

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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
be compatible with the computer
system. Some notebook computers
are not compatible and the monitor
power can not be controlled.
Confirm that the HP Display LiteSaver is compatible with
the system.
1.
Right-click on the
HP Display LiteSaver
icon in the
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
not seem to enter into a low-
power sleep mode.
The monitor's power saving control
is disabled.
Check the monitor's OSD menu setting for power 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
function is enabled.
Press and hold the Menu button for 10 seconds to disable
the OSD Lockout function.
Power Button Lockout
is
displayed.
The monitor's Power Button
Lockout function is enabled.
Press and hold the power button for 10 seconds to unlock
the power button function.
36
Appendix A
Troubleshooting