HP 7540, 7650 manual Technical

Page 31

 

 

 

Troubleshooting

 

 

 

 

 

 

Problem

Possible Cause

Solution

 

 

 

 

 

 

 

“No Signal” is

Monitor video cable is

Connect the 15-pin

 

displayed on screen.

disconnected.

monitor video cable

 

 

 

to the computer. Be

 

 

 

sure that the

 

 

 

computer power is

 

 

 

on.

 

 

 

 

 

 

“Out of Frequency” is

Video resolution and/or

Restart your computer

 

displayed on screen.

refresh rate are set higher than

and enter Safe

 

 

what your monitor supports.

Mode. Change your

 

 

 

settings to a

 

 

 

supported setting (see

 

 

 

“Technical

 

 

 

Specifications”).

 

 

 

Restart your computer

 

 

 

so that the new

 

 

 

settings take effect.

Monitor is

There is not enough air space

overheating.

to allow proper ventilation.

Leave at least 3 inches (76 mm) of ventilation space around the monitor, and do not place objects on top of the monitor.

User Guide

A–3

Image 31
Contents User Guide Fifth Edition January Contents Troubleshooting Product Features Product Features Important Safety Information Safety and Maintenance GuidelinesSafety Guidelines Power RequirementsMaintenance 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 Software and Utilities Operating the MonitorInformation File Installing from the CD Installing the .INF and .ICM FilesImage Color Matching File 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 ModificationsEuropean Union Regulatory Notice Canadian NoticeAvis Canadien Japanese Notice Korean Notice Power Cord Set Requirements Japanese Power Cord Requirements