HP 7540, 7650 manual Troubleshooting, Solving Common Problems

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Troubleshooting

Solving Common Problems

The following table lists possible problems, the possible cause of each problem, and the recommended solutions.

Problem

Possible Cause

Solution

 

 

 

Screen is blank.

Power cord is disconnected.

Connect the power

 

 

cord.

 

 

 

 

Power switch is off.

Turn on power.

 

 

 

 

Video cable is improperly

Connect video cable

 

connected.

properly.

 

 

 

 

Screen blanking utility is

Depress any key on

 

active.

the keyboard or move

 

 

the mouse.

Image appears

Brightness and contrast are too

blurred, indistinct, or

low.

too dark.

 

Press the menu button to access the On-Screen Display. Select the Brightness and/or Contrast icons to adjust as needed.

Color is abnormal.

A magnetic object may be

Move the object

 

nearby.

farther away.

 

 

 

User Guide

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Contents User Guide Fifth Edition January Contents Troubleshooting Product Features Product Features Safety Guidelines Safety and Maintenance GuidelinesPower Requirements Important Safety InformationMaintenance Guidelines Safety and Maintenance Guidelines User Guide Attaching the Monitor Base Setting Up the MonitorRemoving the Monitor Base Connecting the CablesSetting Up the Monitor Tall Speakers with Base Connecting the Speakers Available with Select ModelsSetting Up the Monitor Short Speakers USB Speakers Plugging Headphones into the Computer Information File Operating the MonitorSoftware and Utilities Image Color Matching File Installing the .INF and .ICM FilesInstalling from the CD Downloading from the Worldwide Web Icon Name Function Front Panel ControlsOn-Screen Display On-Screen Display Icons and Functions On-Screen Display FunctionsFunction Description Monitor Messages No Signal MessageOut of Frequency Range Message Power Management Status Using the Energy Saver ModeSolving Common Problems TroubleshootingTroubleshooting Technical Using the Worldwide Web Preparing to Call Technical Support 7540 Series Curved CRT Monitors Technical SpecificationsTechnical Specifications 7600 Series Flat CRT Monitors Technical Specifications Series 17 Flat CRT Monitors Technical Specifications Federal Communications Commission Notice Agency Regulatory NoticesCables ModificationsAvis Canadien Canadian NoticeEuropean Union Regulatory Notice Japanese Notice Korean Notice Power Cord Set Requirements Japanese Power Cord Requirements