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

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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

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Contents HP LP2275w and LP2475w LCD Monitors User Guide2008 Hewlett-Packard Development Company, L.P First Edition March Document Part NumberAbout This Guide iv About This Guide 2 Safety and Maintenance Guidelines Table of contents1 Product Features 3 Setting Up the MonitorAppendix C Agency Regulatory Notices Appendix A TroubleshootingAppendix B Technical Specifications Appendix D LCD Monitor Quality and Pixel Policy1 Product Features HP LP2275w ModelHP LP2475w Model European Union CE Directives Swedish MPR II Swedish TCO Requirements Energy Star2 Safety and Maintenance Guidelines Important Safety InformationMaintenance Guidelines Cleaning the MonitorShipping the Monitor 3 Setting Up the Monitor Installing the Monitor Pedestal BaseTable 3-1 HP LP2275w Rear Components Rear ComponentsHP LP2275w Model ComponentFigure 3-3 Rear Components HP LP2475w Model8 Chapter 3 Setting Up the Monitor Table 3-2 HP LP2475w Rear ComponentsSelecting and Connecting the Signal Cables 10 Chapter 3 Setting Up the Monitor Table 3-3 Signal Connectors and Cables continuedConnecting the Monitor Power Connecting USB Devices Adjusting the Monitor Cable Managementb. Gently push down on the display head Figure 3-9 Adjusting the Height14 Chapter 3 Setting Up the Monitor d. Guide the display head up to the desired heightTurning on the Monitor Using the Accessory Rails Removing the Monitor Pedestal BaseMounting the Monitor Figure 3-14 Installing the Quick Release 18 Chapter 3 Setting Up the MonitorLocating the Rating Labels The Information File 4 Operating the MonitorSoftware and Utilities The Image Color Matching FileInstalling the .INF and .ICM Files Installing from the CDDownloading from the Worldwide Web Using the Auto-Adjustment Function Front Panel Controls Front Panel ControlsFront panel controls vary by model Table 4-1 HP LP2275w Monitor Front Panel Controls24 Chapter 4 Operating the Monitor Table 4-2 HP LP2475w Monitor Front Panel ControlsAdjusting the Monitor Settings Using the On-Screen Display MenuOSD Menu Selections Main Menu Table 4-3 OSD MenuIcon SubmenuTable 4-3 OSD Menu continued Main Menu Table 4-3 OSD Menu continuedIcon SubmenuMain Menu Using the HP Display Assistant Utility Optimizing Digital ConversionSleep Timer Mode Identifying Monitor ConditionsInstalling the HP Display LiteSaver Software HP Display LiteSaversRGB Support Changing the Color TemperatureInstalling the sRGB ICM File for Microsoft Windows Vista 2. Click Personalization 3. Click Display Settings4. Click the Advanced Settings button Problem A TroubleshootingSolving Common Problems Solution36 Appendix A Troubleshooting Power Button Lockout isUsing the Worldwide Web Preparing to Call Technical SupportB Technical Specifications 38 Appendix B Technical SpecificationsTable B-1 HP LP2275w Specifications Table B-1 HP LP2275w Specifications continued Table B-2 HP LP2475w Specifications40 Appendix B Technical Specifications Table B-2 HP LP2475w Specifications continuedRecognizing Preset Display Resolutions Table B-3 HP LP2275w Factory Preset ModesTable B-4 HP LP2475w Factory Preset Modes Entering User Modes Energy Saver Feature Modifications C Agency Regulatory NoticesFederal Communications Commission Notice CablesCanadian Notice Avis CanadienEuropean Union Regulatory Notice Japanese Notice Korean Notice Power Cord Set Requirements Japanese Power Cord RequirementsGerman Ergonomics Notice Product Environmental Notices Energy Star ComplianceMaterials Disposal Restriction of Hazardous Substances RoHS 48 Appendix C Agency Regulatory Notices11363-2006 11363-2006 D LCD Monitor Quality and Pixel Policy
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