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Question posted by kbaron3 on December 4th, 2012

How Do I Stop My Monitor From Going To Sleep? I Can't Wake It Up And Then I

have to do a "hard" boot on my computer, which is not good....Thanks in advance

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Answer #1: Posted by jashton on December 4th, 2012 7:20 AM

jashton

Member since:
December 4th, 2012

Points: 10,130

90
points

The thing to look at here is to check your operating systems power and boot settings. Check that you haven't got it set to shut off after 30 minutes of standyby usage. And check all your display connections going in and out of the machine & monitor.

Jake William Ashton
Certified HP Engineer

Related HP W2408h Manual Pages

User's Guide w2228h, 2229h w2448h, w2448hc, w2558hc LCD Display - Page 5

...iii 1 Product Features HP LCD Monitors ...1-1 Features ...1-1 2 Safety and Maintenance Guidelines Important Safety Information ...2-1 Safety Precautions ...2-1 Maintenance Guidelines...2-2 Cleaning the Monitor ...2-2 3 Setting Up the Monitor Unpacking the Monitor...3-1 Installing the Monitor ...3-1 Unfolding the monitor ...3-1 Wall-mounting the monitor ...3-2 Preparation ...3-2 Connecting the VGA...

User's Guide w2228h, 2229h w2448h, w2448hc, w2558hc LCD Display - Page 6

... setting 5-6 Changing the slideshow transition 5-7 Changing the slideshow speed ...5-7 Changing the slideshow shuffle ...5-7 Adjusting the LCD settings for DPF 5-8 Restoring factory default...5-8 6 Preparing the Monitor for Shipping Folding the Monitor ...6-1 A Troubleshooting Solving Common Problems ...A-1 Getting Support from hp.com ...A-3 Preparing to Call Technical Support ...A-3 Locating...

User's Guide w2228h, 2229h w2448h, w2448hc, w2558hc LCD Display - Page 9

... have an active matrix, thin-film transistor (TFT) screen. This guide discusses the following models: ■ w2228h LCD monitor ■ 2229h LCD monitor ■ w2448h/hc LCD monitor ■ w2558hc LCD monitor Features ■ Large diagonal display ■ Optimum resolution: ❏ w2228h: 1680 x 1050 @ 60Hz ❏ 2229h: 1680 x 1050 @ 60Hz ❏ w2448h/hc: 1920 x 1200 @ 60Hz ❏...

User's Guide w2228h, 2229h w2448h, w2448hc, w2558hc LCD Display - Page 12

... for ventilation. CAUTION: Do not use . Turn on a soft area to clean an LCD screen. 3. Never push objects of any volatile substance to clean the cabinet. Turn off when not in the monitor. 6. Use a damp cloth to clean the monitor screen or cabinet. Plug in use benzene, thinner, ammonia, or any kind into...

User's Guide w2228h, 2229h w2448h, w2448hc, w2558hc LCD Display - Page 27

.... Front-Panel Controls Control buttons are located on the front or top of the monitor depending on documents and spreadsheets. Navigates forward through the OSD menu and decreases adjustment...adjustment levels. To install the software: 1. For additional information, refer to standby or sleep mode. Adjusts the volume level. Auto-adjusts the display to the ideal setting when ...

User's Guide w2228h, 2229h w2448h, w2448hc, w2558hc LCD Display - Page 31

...which to wake up from sleep mode. Set to have the change take effect. Timer - Sleep Now - Provides the recommended resolution mode and refresh rate for the monitor. Operating the Monitor Icon Main ...default is Top or Off, depending on . Reports the firmware version of the monitor. For service support, go to: http://www.hp.com/support Returns settings to Off, the light will ...

User's Guide w2228h, 2229h w2448h, w2448hc, w2558hc LCD Display - Page 32

... may take effect. ■ Monitor Going to unlock the OSD. See "Using the Auto-Adjustment Function" in sleep mode. ■ Check Video Cable - Change your computer for the following monitor conditions: ■ Input Signal Out of Range - If the OSD is off in this chapter. Optimizing Analog Video Some monitors contain advanced circuitry that allow the...

User's Guide w2228h, 2229h w2448h, w2448hc, w2558hc LCD Display - Page 39

...the volume (P), lower the volume (Q), mute the sound (R), stop the slide show (L), save photo changes on your remote control... press OK. To select a photo, use ON button on the monitor (K), start DPF Function. To de-select an image, press Back button...available when PC is not inserted you perform various tasks: go to the Settings Menu (J), go to the Main Menu on the remote control to view all...

User's Guide w2228h, 2229h w2448h, w2448hc, w2558hc LCD Display - Page 48

... volume button. ■ Ensure speaker volume is present in "Sleep Mode (Amber LED)." HP monitor drivers are also available at: http://www.hp.com/support Picture...source signal is always in the picture. Check the monitor's video cable, and make sure that are bent. The LED should either turn on most keyboards. Monitor is good by using . A-2 User's Guide The computer power...

User's Guide w2228h, 2229h w2448h, w2448hc, w2558hc LCD Display - Page 51

... manufacturers; HP LCD Monitors Face treatment: Antiglare polarizer with hard coating Input Terminals: ■ VGA connector (select models) ■ DVI-D 24-pin D-type connector... of altitude) Operating Temperature: Non-operating Temperature: Relative Humidity: Power Source: Power Consumption: Sleep Power Consumption: TFT LCD active matrix 22 in., 55.9 cm diagonal -5o to +25o 19.6 lb, 8.9 kg...

User's Guide w2228h, 2229h w2448h, w2448hc, w2558hc LCD Display - Page 52

... mode): Vertical Refresh Rate (analog mode): Environmental Requirements Temperature (independent of altitude) Operating Temperature: Non-operating Temperature Relative Humidity: Power Source: Power Consumption: Sleep Power Consumption: TFT LCD active matrix 24.0 in., 61.0 cm diagonal -5o to +25o 21.6 lb, 9.8 kg 19.7 x 23.1 x 11.4 in., 500 x 586 x 289 mm 16.3 x 23.1 x 11.4 in...

HP L2445m LCD Monitor - User Guide - Page 6

...Monitor Conditions ...21 Sleep Timer Mode ...22 sRGB Support ...23 Changing the Color Temperature 23 Installing the sRGB ICM File for Microsoft Windows 2000 and Windows XP 23 Installing the sRGB ICM File for Microsoft Windows Vista 23 Installing the sRGB ICM File for Microsoft Windows 7 24... Program ...32 Chemical Substances ...32 Appendix D LCD Monitor Quality and Pixel Policy vi ENWW

HP L2445m LCD Monitor - User Guide - Page 7

1 Product Features L2445m Model The LCD (liquid crystal display) monitor has an active matrix, thin-film transistor (TFT) panel. The monitor features include: ● 60.96 cm (24-inch) diagonal viewable area display with audio cable provided ● On-Screen Display (OSD) adjustments in several languages for easy setup and screen optimization ● ...

HP L2445m LCD Monitor - User Guide - Page 21

Flashing Amber = Sleep Timer mode. Turns the monitor on , press to navigate backward through the OSD menu and decrease adjustment levels...adjustment levels. ● When the OSD menu is on or off. ENWW Front Panel Controls 15 Front Panel Controls Table 4-1 Monitor Front Panel Controls Control 1 Menu 2 Minus 3 Plus 4 Power LED 5 Power Function Opens, selects or exits the OSD ...

HP L2445m LCD Monitor - User Guide - Page 25

... Top. Select: ● On ● Off Depending on the front panel of the monitor each time the OSD Main Menu is On or Off. Allows the computer to wake up from sleep mode ● Timer-sets the Sleep Timer feature On or Off. The factory default is the factory default. Turns the system's automatic...

HP L2445m LCD Monitor - User Guide - Page 27

... or disabled by using an analog input. Optimizing Digital Conversion Two controls in Progress-Indicates the auto-adjustment function is active. ● Monitor Going to Sleep-Indicates the screen display is entering a sleep mode. ● Check Video Cable-Indicates the video cable is not properly connected to the computer. ● OSD Lockout-The OSD...

HP L2445m LCD Monitor - User Guide - Page 28

... 6 through 9 to set Sleep Time. 11. The fifth selection, Sleep Now, turns the monitor backlights off at the same time every day. NOTE: You must set the current local time before you are finished, select Save and Return to select Management. 4. Press the - (Minus) or + (Plus) button to lock in a 24-hour clock format...

HP L2445m LCD Monitor - User Guide - Page 32

...Problem Possible Cause The monitor is off but it did not seem to enter into a low-power sleep mode. OSD Lockout is displayed. Solution Check the monitor's OSD menu setting for...online assistance, community forums of IT experts, broad mutlivendor knowledge base, monitoring and diagnostic tools, go to call : ● Monitor model number ● Serial number for 10 seconds to unlock the ...

HP L2445m LCD Monitor - User Guide - Page 37

...must be paid to the Part, Series, or Model number found on the product. Box 692000, Mail Stop 530113 Houston, Texas 77269-2000 Or, call (281) 514-3333 To identify this FCC declaration, contact: ...for the product and for use , contact an authorized HP service provider. This feature allows the monitor to obtain a power cord for a different country, you have questions about the type of the ...

HP L2445m LCD Monitor - User Guide - Page 38

... to providing our customers with information about recycling programs, go /reach. 32 Appendix C Agency Regulatory Notices ENWW Disposal...http://www.eiae.org. Product Environmental Notices Energy Star Qualification Monitors that are marked with legal requirements such as needed to ...Energy Saving features can be found in the display LCD that this material can be regulated because of the ...