background image

To assist you in resolving problems online, HP Instant Support Professional Edition provides you with
self-solve diagnostics. If you need to contact HP support, use HP Instant Support Professional Edition's
online chat feature. Access HP Instant Support Professional Edition at: 

http://www.hp.com/go/ispe

.

Access the Business Support Center (BSC) at 

http://www.hp.com/go/bizsupport

 for the latest online

support information, software and drivers, proactive notification, and worldwide community of peers and
HP experts.

If it becomes necessary to call for technical assistance, be prepared to do the following to ensure that
your service call is handled properly:

Be in front of your computer when you call.

Write down the computer serial number and product ID number, and the monitor serial number
before calling.

Spend time troubleshooting the problem with the service technician.

Remove any hardware that was recently added to your system.

Remove any software that was recently installed.

NOTE:

For sales information and warranty upgrades (Care Packs), call your local authorized service

provider or dealer.

Helpful Hints

If you encounter problems with the computer, monitor, or software, see the following list of general
suggestions before taking further action:

Check that the computer and monitor are plugged into a working electrical outlet.

Check to see that the voltage select switch (some models) is set to the appropriate voltage for your
region (115V or 230V).

Check to see that the computer is turned on and the power light is on.

Check to see that the monitor is turned on and the green monitor light is on.

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 should be operating correctly.

Check all cable connections for loose connections or incorrect connections.

Wake the computer by pressing any key on the keyboard or pressing the power button. If the system
remains in suspend mode for more than four seconds, shut down the computer by pressing and
holding the power button for at least four seconds then press the power button again to restart the
computer. If the system will not shut down, unplug the power cord, wait a few seconds, then plug
it in again. The computer will restart if automatic start on power loss is set in Computer Setup. If it
does not restart, press the power button to start the computer.

Reconfigure your computer after installing a non–plug and play expansion board or other option.

Be sure that all the needed device drivers have been installed. For example, if you are using a
printer, you need a driver for that model printer.

Remove all bootable media (diskette, CD, or USB device) from the system before turning it on.

ENWW

Helpful Hints

9

Summary of Contents for dx2040 - Microtower PC

Page 1: ...Troubleshooting Guide HP Compaq Business PCs ...

Page 2: ...s warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein This document contains proprietary information that is protected by copyright No part of this document may be photocopied reproduced or translated to another language without th...

Page 3: ...low directions could result in bodily harm or loss of life CAUTION Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information NOTE Text set off in this manner provides important supplemental information ENWW iii ...

Page 4: ...iv About This Book ENWW ...

Page 5: ...in HP Insight Diagnostics 5 Downloading the Latest Version of HP Insight Diagnostics 6 Protecting the Software 6 HP Backup and Recovery Manager 7 2 Troubleshooting Safety and Comfort 8 Before You Call for Technical Support 8 Helpful Hints 9 Solving General Problems 11 Solving Hardware Installation Problems 14 Interpreting POST Diagnostic Front Panel LEDs and Audible Codes 15 Contacting Customer Su...

Page 6: ...vi ENWW ...

Page 7: ...but recommended after installing or connecting a new device You should run tests save the test results and print them so that you have printed reports available before placing a call to the Customer Support Center NOTE Third party devices may not be detected by HP Insight Diagnostics Accessing HP Insight Diagnostics You must boot to the Documentation and Diagnostics DVD as described in the steps b...

Page 8: ...computer Memory Shows information about all memory in the computer This includes memory slots on the system board and any memory modules installed Miscellaneous Shows HP Insight Diagnostics version information computer configuration memory CMOS information system board data and system management BIOS data Storage Shows information about storage media connected to the computer This list includes al...

Page 9: ...alth of a logical volume NOTE Smart Array Drive Diagnosis has the unique capability of identifying multiple disk drives in a single volume that are functioning normally but should be replaced To diagnose a logical volume 1 Click the Diagnose tab 2 Under Smart Array Drive Diagnosis click to expand Storage 3 Select the logical volumes to diagnose and click the Diagnose button 4 The test status of th...

Page 10: ...es 6 Click the Begin Testing button at the bottom right corner of the screen to start the test The Status tab which allows you to monitor the progress of the test is automatically displayed during the testing process When the test is complete the Status tab shows whether the device passed or failed 7 If errors are found go to the Log tab and click the Error Log to display more detailed information...

Page 11: ...ents tab The HP Insight Diagnostics tab contains help topics and includes search and index features The Error Codes tab provides a description of each numerical error code that may appear in the Error Log tab located on the Log tab Each code has a corresponding error Message and a Recommended Repair action that should help solve the problem To find an error code description quickly enter the code ...

Page 12: ...ownloads link 3 Enter your product number for example dx2810 in the text box and press the Enter key 4 Select your specific computer model 5 Select your OS 6 Click the Diagnostic link 7 Click HP Insight Diagnostics Offline Edition 8 Select a language and click Download NOTE The download includes instructions on how to create the bootable CD Protecting the Software To protect software from loss or ...

Page 13: ...overy Disc Set immediately before using the computer and schedule regular automatic Recovery Point backups To create the Recovery Disc Set 1 Click Start HP Backup and Recovery HP Backup and Recovery Manager to open the Backup and Recovery Wizard then click Next 2 Select Create a set of recovery discs Recommended and click Next 3 Follow the instructions in the wizard For more information on using H...

Page 14: ...f beeps from the computer The beeps are error codes that will help you diagnose the problem Refer to Interpreting POST Diagnostic Front Panel LEDs and Audible Codes on page 15 to interpret the codes If the screen is blank plug the monitor into a different video port on the computer if one is available Or change out the monitor with a monitor that you know is functioning properly If you are working...

Page 15: ...nd monitor are plugged into a working electrical outlet Check to see that the voltage select switch some models is set to the appropriate voltage for your region 115V or 230V Check to see that the computer is turned on and the power light is on Check to see that the monitor is turned on and the green monitor light is on Turn up the brightness and contrast controls of the monitor if the monitor is ...

Page 16: ...e selected as the primary VGA adapter During boot the other monitor connectors are disabled and if the monitor is connected into these ports the monitor will not function You can select which source will be the default VGA source in Computer Setup CAUTION When the computer is plugged into an AC power source there is always voltage applied to the system board You must disconnect the power cord from...

Page 17: ...es The unit temperature was exceeded The fan may be blocked 1 Unit is in an exceedingly hot environment Let it cool down 2 Ensure that computer air vents are not blocked and the internal fan is running 3 Contact an HP authorized reseller or service provider Computer appears locked up and will not turn off when the power button is pressed Cause Solution Software control of the power switch is not f...

Page 18: ...itor to permit the required airflow 2 Make sure fans are connected and working properly some fans only operate when needed 3 Make sure the processor heatsink is installed properly Hard drive is full Transfer data from the hard drive to create more space on the hard drive Low on memory Add more memory Hard drive fragmented Defragment hard drive Program previously accessed did not release reserved m...

Page 19: ... the mouse button and if set type your password Computer is in standby mode Press the power button to resume from standby mode CAUTION When attempting to resume from standby mode do not hold down the power button for more than four seconds Otherwise the computer will shut down and you will lose any unsaved data You are using a fixed sync monitor and it will not sync at the resolution chosen Be sur...

Page 20: ...bles are unplugged Ensure that all cables are properly and securely connected and that pins in the cable or connector are not bent down Power switch of new external device is not turned on Turn off the computer turn on the external device then turn on the computer to integrate the device with the computer system When the system advised you of changes to the configuration you did not accept them Re...

Page 21: ...e mouse to wake the computer CPU fan is weak RPM 1000 or not turning A warning message is displayed along with a series of long beeps for five seconds then the system shuts down 2 Processor thermal protection activated A fan may be blocked or not turning OR The heatsink fan assembly is not properly attached to the processor 1 Ensure that the computer air vents are not blocked and the processor coo...

Page 22: ...s working correctly Try the following 1 Check that the voltage selector some models located on the rear of the power supply is set to the appropriate voltage Proper voltage setting depends on your region 2 Replace the system board OR Press and hold the power button for less than 4 seconds If the hard drive LED does not turn on green then 1 Check that the unit is plugged into a working AC outlet 2 ...

Reviews: