HP z556, z558 manual Troubleshooting Composite and S-video, No video after power on sequence

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No video after power on sequence

Problem: Some TV/Displays may display a blank screen because of the sequence in which you turn on and turn off the HP Digital Entertainment Center and the TV/Display.

Solution: You must connect the Video Out cables to the HP Digital Entertainment Center and to the TV/Display, before you apply power to the HP Digital Entertainment Center.

When you turn on the TV, make sure that it is set to the proper input setting. Turn off the HP Digital Entertainment Center and then the TV before you change the cable connection to the TV. Afterwards, be sure to turn on the TV, set it to the proper input setting, and then turn on the HP Digital Entertainment Center.

Keyboard does not work

Problem: The keyboard loses sync with the HP Digital Entertainment Center, or has never connected.

Solution: Do the following:

1Check the keyboard operation. Press a key, the green LED should light on the upper right corner of the keyboard.

If it does not light, check the batteries. Make sure the shipping tab is removed from the battery door on the bottom of the keyboard. Retest the keyboard.

2Turn off the HP Digital Entertainment Center by pressing and holding the On/Standby power button for 4 seconds. The On/Standby button should be dark and not lit amber or blue.

3Turn on the HP Digital Entertainment Center by pressing the On/Standby power button. Wait 1 to 2 minutes. The video image reappears.

4Test the keyboard. Go to the next step if it still doesn’t work.

5Briefly press the Keyboard Connect button on the HP Digital Entertainment Center front panel, behind the left door. The button flashes, indicating the system is ready to connect (sync) with the keyboard.

6Press the red Keyboard Connect button once on the bottom of the keyboard. The front panel Keyboard Connect button flashes and stops, indicating a successful sync.

7Test the keyboard. If it still doesn’t work:

Check the batteries for correct installation.

Remove interference sources that may interfere with transmission such as 49 MHz cordless phones, 49 MHz toy remote controls, or metal shelves or furniture.

Move the HP Digital Entertainment Center to another location and retest.

Troubleshooting Composite and S-video

This section contains important information about correcting problems that you may encounter with your HP Digital Entertainment Center composite and S-video setup.

You can adjust the display for composite and S-video using:

The display wizard. See “TV/Display Setup Wizard” on page 5.

Or

The desktop. See “Desktop Video Adjustments” on page 14.

HP Digital Entertainment Center TV/Display Setup Guide 21

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Contents Page USA Table of Contents Important Notes Video Out InformationOverview Before You BeginTV/Display Setup Setting Up Your TV/Display for the First TimePreparing your system After you first turn on your system Starting the TV/Display Setup Wizard Adjusting VideoResize adjustment availability Click More Programs, HP Settings, and then Video Settings TV/Display Setup WizardFollow the onscreen instructions Video Out Action Composite Component Video Out shownComponent Pb, Pr Step Your settings may vary Your screen image may vary Change the screen size Video Out Action Video composite Adjustments onClick the Overscan Compensation button Hdtv Overscan CompensationAdjust Composite Video Video Screen Size Desktop Video Adjustments Check video Video TroubleshootingConnector Usage Problem See Video Common Video Out ProblemsVideo Out Connection Types Component Y, Pb, Pr Troubleshooting Component Video on Connector Problem See Video compositeTroubleshooting DVI on Blank screenOversized screen Screen flashes Undersized screen with black borderScreen flickers Sleep modeUnreadable screen text DTV channel has audio but no videoNo video after power on sequence Troubleshooting Composite and S-videoKeyboard does not work No video after changing the Video Out connection Check component video Troubleshooting Component VideoDVD does not play or an error appears on screen Component video troubleshooting chartProblem Screen image Solution See Blank screen blue, black, or distorted Blank Screen for SolutionClick Play DVD Video checklist Connect another Video Out Component Y, Pb, Pr Video Out Options Video compositeLine at bottom of the screen Wrong colors or erratic video on screenClick Control Panel, Add or Remove Programs Recovering your system with DVI or Troubleshooting DVIBlurred screen text Blank screen for ActionPage TV/Display Types Video Out InformationVideo Out Formats StandardScanning system Display resolution/formatAspect ratio Overscan Display Image SizeCropping PanningPlasma TV/Display Image Retention Important NotesPrinted
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