HP COMPAQ DC5750 Troubleshooting Guide

Troubleshooting Guide - dc5750 ModelsHP Compaq Business PCs

The Status tab also shows:●The devices being tested●The test status (running, passed, or failed) of each device being tested●The overall test progress

automatically create an html file that has the same appearance as the information displayed on thescreen.1. Insert a diskette or USB 2.0 HP Drive Key

Restoring the SoftwareThe HP Backup and Recovery Manager is an easy-to-use, versatile application that is pre-loaded oneach system and allows you to:●

2 Troubleshooting Without DiagnosticsThis chapter provides information on how to identify and correct minor problems, such as diskette drive,hard driv

●Boot the computer to the Safe Mode to see if it will boot without all of the drivers loaded. Whenbooting the operating system, use “Last Known Config

●Turn up the brightness and contrast controls of the monitor if the monitor is dim.●Press and hold any key. If the system beeps, then the keyboard sho

Solving General ProblemsYou may be able to easily resolve the general problems described in this section. If a problem persistsand you are unable to r

Cursor will not move using the arrow keys on the keypad.CauseSolutionThe Num Lock key may be on. Press the Num Lock key. The Num Lock light should not

Poor performance is experienced.CauseSolutionToo many applications running. 1. Close unnecessary applications to free up memory.Some applications run

System does not power on and the LEDs on the front of the computer are not flashing.CauseSolutionSystem unable to power on. Press and hold the power b

© Copyright 2006 Hewlett-PackardDevelopment Company, L.P. Theinformation contained herein is subject tochange without notice.Microsoft and Windows are

Solving Power ProblemsCommon causes and solutions for power problems are listed in the following table.Table 2-2 Solving Power ProblemsPower supply s

Solving Diskette ProblemsCommon causes and solutions for diskette problems are listed in the following table.NOTE You may need to reconfigure the comp

Cannot format diskette.CauseSolutionInvalid media reported. When formatting a disk in MS-DOS, you may need to specifydiskette capacity. For example, t

Cannot Boot to Diskette.CauseSolutionNOTE Both steps should be used as theRemovable Media Boot function in Computer Setupoverrides the Boot Order enab

Solving Hard Drive ProblemsTable 2-4 Solving Hard Drive ProblemsHard drive error occurs.CauseSolutionHard disk has bad sectors or has failed. 1. In W

Nonsystem disk/NTLDR missing message.CauseSolutionSystem files missing or not properly installed. 1. Insert a bootable diskette into the diskette driv

Solving Media Card Reader ProblemsTable 2-5 Solving Media Card Reader ProblemsMedia card will not work in a digital camera after formatting it in Mic

After installing the media card reader and booting to Windows, the reader and the inserted cards are not recognizedby the computer.CauseSolutionThe op

Solving Display ProblemsIf you encounter display problems, see the documentation that came with the monitor and to the commoncauses and solutions list

Blank screen and the power LED flashes Red five times, once every second, followed by a two second pause, and thecomputer beeps five times. (Beeps sto

About This BookWARNING! Text set off in this manner indicates that failure to follow directions could result inbodily harm or loss of life.CAUTION Tex

Blurry video or requested resolution cannot be set.CauseSolutionIf the graphics controller was upgraded, the correct graphicsdrivers may not be loaded

Vibrating or rattling noise coming from inside a CRT monitor when powered on.CauseSolutionMonitor degaussing coil has been activated. None. It is norm

Solving Audio ProblemsIf the computer has audio features and you encounter audio problems, see the common causes andsolutions listed in the following

Sound does not come out of the speaker or headphones.CauseSolution3. Right-click on the CD/DVD device and selectProperties.4. On the Properties tab, m

Solving Printer ProblemsIf you encounter printer problems, see the documentation that came with the printer and to the commoncauses and solutions list

Solving Keyboard and Mouse ProblemsIf you encounter keyboard or mouse problems, see the documentation that came with the equipmentand to the common ca

Mouse does not respond to movement or is too slow.CauseSolution3. Use the up or down arrow key to select the Shut Downoption and then press the Enter

Solving Hardware Installation ProblemsYou may need to reconfigure the computer when you add or remove hardware, such as an additionaldrive or expansio

Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps fivetimes. (Beeps stop after fifth iterati

Solving Network ProblemsSome common causes and solutions for network problems are listed in the following table. Theseguidelines do not discuss the pr

iv About This Book ENWW

Network status link light never flashes.NOTE The network status light is supposed to flash when there is network activity.Cause SolutionNetwork driver

Network controller stops working without apparent cause.CauseSolutionThe files containing the network drivers are corrupted. Download the network driv

Solving Memory ProblemsIf you encounter memory problems, some common causes and solutions are listed in the following table.CAUTION Power may still be

Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps fivetimes. (Beeps stop after fifth iterati

Solving Processor ProblemsIf you encounter processor problems, common causes and solutions are listed in the following table.Table 2-14 Solving Proce

Solving CD-ROM and DVD ProblemsIf you encounter CD-ROM or DVD problems, see the common causes and solutions listed in thefollowing table or to the doc

Movie will not play in the DVD drive.CauseSolutionMovie may be regionalized for a different country. See the documentation that came with the DVD driv

USDT computer boots too slow after removing a CD-ROM or DVD drive.CauseSolutionThe system is searching for the drive during boot because thedrive cabl

Solving Drive Key ProblemsIf you encounter Drive Key problems, common causes and solutions are listed in the following table.Table 2-16 Solving Drive

Solving Front Panel Component ProblemsIf you encounter problems with devices connected to the front panel, refer to the common causes andsolutions lis

Table of contents1 Computer Diagnostic FeaturesHP Insight Diagnostics ...

Solving Internet Access ProblemsIf you encounter Internet access problems, consult your Internet Service Provider (ISP) or refer to thecommon causes a

Internet takes too long to download Web sites.CauseSolutionWindows XP1. Select Start > Control Panel.2. Double-click System.3. Click the Hardware t

Solving Software ProblemsMost software problems occur as a result of the following:●The application was not installed or configured correctly.●There i

Contacting Customer SupportFor help and service, contact an authorized reseller or dealer. To locate a reseller or dealer near you,visit http://www.hp

48 Chapter 2 Troubleshooting Without Diagnostics ENWW

A POST Error MessagesThis appendix lists the error codes, error messages, and the various indicator light and audiblesequences that you may encounter

POST Numeric Codes and Text MessagesThis section covers those POST errors that have numeric codes associated with them. The section alsoincludes some

Control panel message Description Recommended actionor contact an authorized dealer or reseller forRTC battery replacement.163-Time & Date Not Set

Control panel message Description Recommended action301-Keyboard Error Keyboard failure. 1. Reconnect keyboard with computerturned off.2. Check connec

Control panel message Description Recommended action512-Chassis, Rear Chassis, or Front ChassisFan not DetectedChassis, rear chassis, or front chassis

Interpreting POST Diagnostic Front Panel LEDs and Audible Codes ... 56Appendix B Password Security and R

Control panel message Description Recommended action1151-Serial Port A Address Conflict Detected Both external and internal serial ports areassigned t

Control panel message Description Recommended actionchange Storage > Storage Options > SATAEmulation back to RAID and select File >Save Chang

Interpreting POST Diagnostic Front Panel LEDs andAudible CodesThis section covers the front panel LED codes as well as the audible codes that may occu

Activity Beeps Possible Cause Recommended ActionRed Power LED flashes fourtimes, once every second,followed by a two secondpause. Beeps stop after fif

Activity Beeps Possible Cause Recommended ActionRed Power LED flashes ninetimes, once every second,followed by a two secondpause. Beeps stop after fif

B Password Security and ResettingCMOSThis computer supports security password features, which can be established through the ComputerSetup Utilities m

Resetting the Password JumperTo disable the power-on or setup password features, or to clear the power-on or setup passwords,complete the following st

Clearing and Resetting the CMOSThe computer’s configuration memory (CMOS) stores information about the computer’s configuration.Using Computer Setup t

CAUTION Sliding the CMOS switch will reset CMOS values to factory defaults. It isimportant to back up the computer CMOS settings before resetting them

C Drive Protection System (DPS)The Drive Protection System (DPS) is a diagnostic tool built into the hard drives installed in somecomputers. DPS is de

1 Computer Diagnostic FeaturesHP Insight DiagnosticsNOTE HP Insight Diagnostics is included on CD with some computer models only.The HP Insight Diagno

Accessing DPS Through Computer SetupWhen the computer does not power on properly you should use Computer Setup to access the DPSprogram. To access DPS

IndexAaudible codes 56audio problems 26BBackup and Recovery Manager 6beep codes 56boot problems 41booting optionsFull Boot 49Quick Boot 49CCD-ROM or D

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4. Select the appropriate language and click Continue.NOTE It is recommended that you accept the assigned default keyboard for your languageunless you

There are three types of tests to choose from:●Quick Test—Provides a predetermined script where a sample of each hardware component isexercised and re