Compaq 177620-006, Compaq Evo Desktop manual Solving Display Problems

Page 31

Troubleshooting Without Diagnostics

Solving Display Problems (Continued)

Problem

Cause

Solution

 

 

 

Blurry video or requested

If the graphics

Install the video drivers on the

resolution cannot be set.

controller was

diskette included in the upgrade kit.

 

upgraded, the correct

 

 

graphics drivers may

 

 

not be loaded.

 

 

 

 

 

Monitor is not capable

Change requested resolution.

 

of displaying requested

 

 

resolution.

 

 

 

 

Screen goes blank.

You may have a screen

Press any key or type password.

 

blanking utility installed

 

 

or energy saver

 

 

features are enabled.

 

 

 

 

The picture is broken up,

The monitor

1. Be sure the monitor cable is

or it rolls, jitters, or flashes.

connections may be

securely connected to the

 

incomplete or the

computer.

 

monitor may be

2. In a 2-monitor system or if

 

incorrectly adjusted.

 

another monitor is in close

 

 

 

 

proximity, be sure the monitors

 

 

are not interfering with each

 

 

other’s electromagnetic field by

 

 

moving them apart.

 

 

3. Fluorescent lights or fans may

 

 

be too close to the monitor.

 

 

 

Monitor overheats.

There is not enough

Leave at least 3 inches (7.6 cm) of

 

ventilation space for

ventilation space. Be sure there is

 

proper airflow.

nothing sitting on top of the monitor

 

 

obstructing the air flow.

 

 

 

Troubleshooting Guide

2–17

Image 31
Contents Troubleshooting Guide Troubleshooting Guide Sixth Edition May Document Part Number Contents Installing Scsi Drivers for Windows NT Installation Index Compaq Diagnostics for Windows Computer Diagnostic FeaturesMenu Bar-File, Categories, Navigation, Level, Tab, Help Tabs-Overview, Test, Status, Log, Error Installing Compaq Diagnostics for WindowsUsing Categories in Compaq Diagnostics for Windows Running Diagnostic Tests in Compaq Diagnostics for Windows Computer Diagnostic Features Running Configuration Record Utility Compaq Configuration Record UtilityWindow File Compaq Remote Diagnostics Enabling AgentStarting the Remote Diagnostics Enabling Agent Restoring Your Software Protecting Your SoftwareTroubleshooting Without Diagnostics Helpful Hints Solving General Problems Solving General ProblemsProblem Cause Solution See the Hardware Reference Guide Control Panel Computer SetupNum Lock key Solving Power Supply Problems Solving Power Supply ProblemsSolving Power Supply Problems Solving Diskette Problems Solving Diskette ProblemsUse Computer Setup to check ScanDisk Accessories System ToolsUnder Error-checking, click Click Start ProgramsStorage Storage Options OrderSolving Hard Drive Problems Solving Hard Drive ProblemsPower-On Controllers in Storage Storage Power-On OptionsOptions Storage Boot Order list Solving Display Problems Solving Display ProblemsSolving Display Problems Solving Display Problems Audio Devices, then click Solving Audio ProblemsSolving Audio Problems From the Control PanelSolving Audio Problems Troubleshooting Without Diagnostics Solving Printer Problems Solving Printer ProblemsComputer. The Turn Off Solving Keyboard and Mouse ProblemsSolving Keyboard Problems Click Shut Down or Turn OffTo select Shut Down or Turn Solving Mouse ProblemsSolving Hardware Installation Problems Solving Hardware Installation ProblemsSolving Hardware Installation Problems Solving Network Problems Solving Network ProblemsUnder the Computer Setup Use the Computer Setup to disable the embedded NIC Using the Compaq Restore CDSolving Processor Problems Solving Processor ProblemsSolving Memory Problems Solving Memory ProblemsSolving Memory Problems Storage Controller Order, Solving Scsi ProblemsSolving Scsi Problems Storage Boot Order, and enableSolving CD-ROM and DVD Problems Solving CD-ROM and DVD ProblemsSolving CD-ROM and DVD Problems Solving Software Problems Solving Software ProblemsContacting Compaq Customer Support Numeric Codes and Text Messages Post Numeric Codes and Text MessagesCode/Message Beeps Probable Cause Recommended Action Reference Guide for Control Panel. If the problemHardware Reference Guide for Control Panel ComputerNumeric Codes and Text Messages Hardware Reference Guide Numeric Codes and Text Messages Numeric Codes and Text Messages Numeric Codes and Text Messages Numeric Codes and Text Messages Numeric Codes and Text Messages Numeric Codes and Text Messages ROM Bios Run Computer Setup Activity Beeps Probable Cause Recommended Action Diagnostic Keyboard LEDS, Front Panel LEDs and Audible CodesNum Lock LED On Diagnostic Keyboard LEDS, Front Panel LEDs and Audible Codes Second on select Password Security and Resetting Cmos Resetting the Password Jumper Using the Cmos Button Clearing and Resetting the CmosCmos button Using Computer Setup to Reset Cmos Introducing the Drive Protection System Drive Protection System DPSPanel Compaq Diagnostics Accessing DPS Through Compaq Diagnostics for WindowsSelect Storage IDE DPS Self-Test Accessing DPS Through Computer SetupMicrosoft Windows 98 and Microsoft Windows Setting up Analog/Digital Audio OutputMicrosoft Windows XP Microsoft Windows NTClick Properties Click Settings Installing Scsi Drivers for Windows NT Installation Installing Scsi Drivers for Windows NT Installation Index Index-2 Protecting