HP z556, z558 manual Wrong colors or erratic video on screen, Line at bottom of the screen

Page 33

Reload the graphics driver

To reload the graphics driver to correct a blank or distorted screen in component video:

1Connect another video out. See page 27.

2Click Control Panel, Add or Remove Programs.

3Select NVIDIA Drivers, Remove. Click Yes and Yes to erase saved nView profiles.

4Click Yes to restart the HP Digital Entertainment Center.

5After the system restarts, click OK at the Media Center video card error message.

6Close Media Center.

7Click Control Panel, All programs, PC Help and Tools, HP Application Recovery. The Application and Driver Recovery window appears.

8Select Driver Installation to reinstall the drivers shipped with the HP Digital Entertainment Center and click Next.

9Select NVIDIA Graphics Driver and click Install. The driver installs. Click Cancel.

10Reconnect to component video. See page 28.

Wrong colors or erratic video on screen

Problem: During the Media Center optional setup, if your display uses a component video connection, the wizard may change the display color depth and show wrong colors or erratic video. This may occur if you select a resolution that is not supported by your TV/Display. The component video cables might not be plugged in correctly.

Solution: If the colors look wrong, or the video seems erratic, do the following:

1See “Check component video” on page 23.

2See “Correcting an extended blank screen with component video out” on page 25.

Line at bottom of the screen

Problem: The TV/Display shows a line below the image during DVD playback.

Solution: While playing the DVD, click More Info, Zoom. Select the zoom that best fits your screen.

HP Digital Entertainment Center TV/Display Setup Guide 29

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Contents Page USA Table of Contents Important Notes Video Out InformationOverview Before You BeginSetting Up Your TV/Display for the First Time TV/Display SetupPreparing your system After you first turn on your system Adjusting Video Starting the TV/Display Setup WizardResize adjustment availability TV/Display Setup Wizard Click More Programs, HP Settings, and then Video SettingsFollow the onscreen instructions Component Video Out shown Video Out Action CompositeComponent 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 TroubleshootingCommon Video Out Problems Connector Usage Problem See VideoVideo 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 videoTroubleshooting Composite and S-video No video after power on sequenceKeyboard does not work No video after changing the Video Out connection Check component video Troubleshooting Component VideoComponent video troubleshooting chart DVD does not play or an error appears on screenProblem Screen image Solution See Blank Screen for Solution Blank screen blue, black, or distortedClick Play DVD Video checklist Connect another Video Out Component Y, Pb, Pr Video Out Options Video compositeWrong colors or erratic video on screen Line at bottom of the 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 StandardDisplay resolution/format Scanning systemAspect ratio Overscan Display Image SizeCropping PanningPlasma TV/Display Image Retention Important NotesPrinted
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