Compaq 177620-006, Compaq Evo Desktop manual Num Lock key

Page 19

Troubleshooting Without Diagnostics

Solving General Problems (Continued)

Problem

Cause

Solution

 

 

 

Computer appears to

Network driver is loaded

Establish a network connection, or

pause periodically.

and no network

use Computer Setup or Microsoft

 

connection is

Windows Device Manager to disable

 

established.

the network controller.

 

 

 

Cannot remove

Smart Cover Lock,

Unlock the Smart Cover Lock using

computer cover or

featured on some

Computer Setup.

access panel.

computers, is locked.

The Smart Cover FailSafe Key, a

 

 

 

 

device for manually disabling the

 

 

Smart Cover Lock, is available from

 

 

Compaq. You will need the FailSafe

 

 

Key in case of forgotten password,

 

 

power loss, or computer malfunction.

 

 

 

Poor performance is

Processor is hot.

1. Make sure the airflow to the

experienced.

 

computer is not blocked.

 

 

2. Make sure the fans are

 

 

connected and working properly

 

 

(some fans only operate when

 

 

needed).

 

 

3. Make sure the processor

 

 

heatsink is installed properly.

 

 

 

Cursor will not move

The Num Lock key

Press the Num Lock key. The

using the arrow keys

may be on.

Num Lock light should not be on if

on the keypad.

 

you want to use the arrow keys.

 

 

 

Troubleshooting Guide

2–5

Image 19
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