Troubleshooting Guide
HP Compaq MultiSeat ms6000 Desktop
© Copyright 2009 Hewlett-Packard
Development Company, L.P. The
information contained herein is subject to
change without notice.
Microsoft and Windows are either
trademarks or registered trademarks of
Microsoft Corporation in the United States
and/or other countries.
The only warranties for HP products and
services are set forth in the express 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 the prior written consent of
Hewlett-Packard Company.
Troubleshooting Guide
HP Compaq MultiSeat ms6000 Desktop
First Edition (November 2009)
Document Part Number: 593680-001
About This Book
WARNING! Text set off in this manner indicates that failure to follow 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
iv About This Book ENWW
Table of contents
1 Protecting the Software
2 Troubleshooting Without Diagnostics
Safety and Comfort .............................................................................................................................. 2
Before You Call for Technical Support ................................................................................................. 2
Helpful Hints ......................................................................................................................................... 3
Solving General Problems .................................................................................................................... 5
Solving Power Problems ...................................................................................................................... 9
Solving Hard Drive Problems ............................................................................................................. 10
Solving Media Card Reader Problems ............................................................................................... 13
Solving Display Problems ................................................................................................................... 14
Solving Audio Problems ..................................................................................................................... 18
Solving Printer Problems .................................................................................................................... 20
Solving Keyboard and Mouse Problems ............................................................................................ 21
Solving Hardware Installation Problems ............................................................................................. 23
Solving Network Problems ................................................................................................................. 25
Solving Memory Problems ................................................................................................................. 28
Solving Processor Problems .............................................................................................................. 30
Solving CD-ROM and DVD Problems ................................................................................................ 31
Solving USB Flash Drive Problems .................................................................................................... 33
Solving Front Panel Component Problems ........................................................................................ 34
Solving Internet Access Problems ...................................................................................................... 35
Solving Software Problems ................................................................................................................ 36
Contacting Customer Support ............................................................................................................ 37
Appendix A POST Error Messages
POST Numeric Codes and Text Messages ....................................................................................... 39
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes ................................................ 46
Appendix B Password Security and Resetting CMOS
Resetting the Password Jumper ........................................................................................................ 51
Clearing and Resetting the CMOS ..................................................................................................... 52
ENWW v
Appendix C Drive Protection System (DPS)
Accessing DPS Through Computer Setup ......................................................................................... 54
Index ................................................................................................................................................................... 56
vi ENWW
1 Protecting the Software
To protect software from loss or damage, you should keep a backup copy of all system software,
applications, and related files stored on the hard drive. See the operating system or backup utility
documentation for instructions on making backup copies of data files.
ENWW 1
2 Troubleshooting Without Diagnostics
This chapter provides information on how to identify and correct minor problems, such as hard drive,
optical drive, graphics, audio, memory, and software problems. If you encounter problems with the
computer, refer to the tables in this chapter for probable causes and recommended solutions.
NOTE: For information on specific error messages that may appear on the screen during Power-On
Self-Test (POST) at startup, refer to Appendix A,
POST Error Messages on page 38.
Safety and Comfort
WARNING! Misuse of the computer or failure to establish a safe and comfortable work environment
may result in discomfort or serious injury. Refer to the Safety & Comfort Guide at
http://www.hp.com/
ergo for more information on choosing a workspace and creating a safe and comfortable work
environment. This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. For more information, refer to the Safety & Regulatory
Information guide.
Before You Call for Technical Support
If you are having problems with the computer, try the appropriate solutions below to try to isolate the
exact problem before calling for technical support.
●
Run the hard drive self-test in Computer Setup. Refer to the Computer Setup (F10) Utility Guide
for more information.
●
Check the Power LED on the front of the computer to see if it is flashing red. The flashing lights
are error codes that will help you diagnose the problem. Refer to Appendix A,
POST Error
Messages on page 38 for more information.
●
If the screen is blank, plug the monitor into a different video port on the computer if one is available.
Or, replace the monitor with a monitor that you know is functioning properly.
●
If you are working on a network, plug another computer with a different cable into the network
connection. There may be a problem with the network plug or cable.
●
If you recently added new hardware, remove the hardware and see if the computer functions
properly.
●
If you recently installed new software, uninstall the software and see if the computer functions
properly.
●
Boot the computer to the Safe Mode to see if it will boot without all of the drivers loaded. When
booting the operating system, use “Last Known Configuration.”
2 Chapter 2 Troubleshooting Without Diagnostics ENWW
●
Refer to the comprehensive online technical support at
http://www.hp.com/support.
●
Refer to
Helpful Hints on page 3 in this guide.
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 HP Compaq MultiSeat ms6000 Desktop, the computer serial number, product ID
number, and 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 that the computer is turned on and the green power light is on.
●
Check that the monitor is turned on and the green monitor light is on.
●
Check the Power LED on the front of the computer to see if it is flashing red. The flashing lights
are error codes that will help you diagnose the problem. Refer to Appendix A,
POST Error
Messages on page 38 for more information.
●
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, 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 it is set to automatic start after power loss in Computer Setup as soon as power is restored.
If it does not restart, press the power button to start the computer.
●
Reconfigure the computer after installing a non-plug and play expansion board or other option. See
Solving Hardware Installation Problems on page 23 for instructions.
●
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.
ENWW Helpful Hints 3
●
Remove all bootable media (CD or USB device) from the system before turning it on.
●
If you have installed an operating system other than the factory-installed operating system, check
to be sure that it is supported on the system.
●
If the system has multiple video sources (embedded, PCI, or PCI-Express adapters) installed
(embedded video on some models only) and a single monitor, the monitor must be plugged into
the monitor connector on the source 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 the power source before opening the
computer to prevent system board or component damage.
4 Chapter 2 Troubleshooting Without Diagnostics ENWW
Solving General Problems
You may be able to easily resolve the general problems described in this section. If a problem persists
and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation,
contact an authorized dealer or reseller.
WARNING! When the computer is plugged into an AC power source, voltage is always applied to the
system board. To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure
to disconnect the power cord from the wall outlet and allow the internal system components to cool
before touching.
Table 2-1 Solving General Problems
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 functional. 1. Press and hold the power button for at least four seconds
until the computer turns off.
2. Disconnect the power cord from the electrical outlet.
Computer will not respond to USB keyboard or mouse.
Cause
Solution
Computer is in standby mode. To resume from standby mode, press the power button or
press any key.
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.
System has locked up. Restart computer.
Computer date and time display is incorrect.
Cause
Solution
RTC (real-time clock) battery may need to be replaced.
NOTE: Connecting the computer to a live AC outlet prolongs
the life of the RTC battery.
First, reset the date and time under Control Panel (Computer
Setup can also be used to update the RTC date and time). If
the problem persists, replace the RTC battery. See the
Hardware Reference Guide for instructions on installing a new
battery, or contact an authorized dealer or reseller for RTC
battery replacement.
Cursor will not move using the arrow keys on the keypad.
Cause
Solution
The Num Lock key may be on. Press the Num Lock key. The Num Lock light should not be on
if you want to use the arrow keys. The Num Lock key can be
disabled (or enabled) in Computer Setup.
ENWW Solving General Problems 5
There is no sound or sound volume is too low.
Cause
Solution
System volume may be set low or muted. 1. Check the F10 BIOS settings to make sure the internal
system speaker is not muted (this setting does not affect
the external speakers).
2. Make sure the external speakers are properly connected
and powered on and that the speakers' volume control is
set correctly.
3. Use the system volume control available in the operating
system to make sure the speakers are not muted or to
increase the volume.
The audio device may be connected to the wrong jack on the
rear of the computer.
Ensure that the device is connected to the correct jack on the
rear of the computer.
Cannot remove computer cover or access panel.
Cause
Solution
Smart Cover Lock, featured on some computers, is locked. Unlock the Smart Cover Lock using Computer Setup.
The Smart Cover FailSafe Key, a device for manually disabling
the Smart Cover Lock, is available from HP. You will need the
FailSafe Key in case of forgotten password, power loss, or
computer malfunction. Order PN 166527-001 for the wrenchstyle key or PN 166527-002 for the screwdriver bit key.
Poor performance is experienced.
Cause
Solution
Processor is hot. 1. Make sure airflow to the computer is not blocked. Leave
a 10.2-cm (4-inch) clearance on all vented sides of the
computer and above the monitor 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
memory back to the system.
Restart the computer.
Virus resident on the hard drive. Run virus protection program.
Table 2-1 Solving General Problems (continued)
6 Chapter 2 Troubleshooting Without Diagnostics ENWW
Poor performance is experienced.
Cause
Solution
Too many applications running. 1. Close unnecessary applications to free up memory.
2. Add more memory. Some applications run in the
background and can be closed by right-clicking on their
corresponding icons in the task tray. To prevent these
applications from launching at startup, go to Start >
Run and type msconfig. On the Startup tab of the
System Configuration Utility, clear applications that you
do not want to launch automatically.
Some software applications, especially games, are stressful
on the graphics subsystem
1. Lower the display resolution for the current application or
consult the documentation that came with the application
for suggestions on how to improve performance by
adjusting parameters in the application.
2. Add more memory.
3. Upgrade the graphics solution.
Cause unknown. Restart the computer.
Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two
second pause, and the computer beeps two times. (Beeps stop after fifth iteration but LEDs continue flashing).
Cause
Solution
Processor thermal protection activated:
A fan may be blocked or not turning.
OR
The heatsink is not properly attached to the processor.
1. Ensure that the computer air vents are not blocked and
the processor cooling fan is running.
2. Open hood, press power button, and see if the processor
fan spins. If the processor fan is not spinning, make sure
the fan's cable is plugged onto the system board header.
3. If fan is plugged in, but is not spinning, then replace the
heatsink/fan assembly.
4. Contact an authorized reseller or service provider.
Table 2-1 Solving General Problems (continued)
ENWW Solving General Problems 7
System does not power on and the LEDs on the front of the computer are not flashing.
Cause
Solution
System unable to power on. Press and hold the power button for less than 4 seconds. If the
hard drive LED turns green, then:
1. Remove the expansion cards one at a time until the
5V_aux light on the system board turns on.
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. Open hood and check that the power button harness is
properly connected to the system board.
3. Check that both power supply cables are properly
connected to the system board.
4. Check to see if the 5V_aux light on the system board is
turned on. If it is turned on, then replace the power button
harness.
5. If the 5V_aux light on the system board is off, then replace
the power supply.
6. Replace the system board.
Table 2-1 Solving General Problems (continued)
8 Chapter 2 Troubleshooting Without Diagnostics ENWW
Solving Power Problems
Common causes and solutions for power problems are listed in the following table.
Table 2-2 Solving Power Problems
Power supply shuts down intermittently.
Cause
Solution
Power supply will not turn on because of internal power supply
fault.
Contact an authorized service provider to replace the power
supply.
Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two
second pause, and the computer beeps two times. (Beeps stop after fifth iteration but LEDs continue flashing.)
Cause
Solution
Processor thermal protection activated:
A fan may be blocked or not turning.
OR
The heatsink is not properly attached to the processor.
1. Ensure that the computer air vents are not blocked and
the processor cooling fan is running.
2. Open hood, press power button, and see if the processor
fan spins. If the processor fan is not spinning, make sure
the fan's cable is plugged onto the system board header.
3. If fan is plugged in, but is not spinning, then replace the
heatsink/fan assembly.
4. Contact an authorized reseller or service provider.
Power LED flashes Red four times, once every second, followed by a two second pause, and the computer beeps four
times. (Beeps stop after fifth iteration but LEDs continue flashing.)
Cause
Solution
Power failure (power supply is overloaded). 1. Open the hood and ensure the 4- or 6-wire power supply
cable is seated into the connector on the system board.
2. Check if a device is causing the problem by removing ALL
attached devices (such as hard or optical drives and
expansion cards). Power on the system. If the system
enters the POST, then power off and replace one device
at a time and repeat this procedure until failure occurs.
Replace the device that is causing the failure. Continue
adding devices one at a time to ensure all devices are
functioning properly.
3. Replace the power supply.
4. Replace the system board.
ENWW Solving Power Problems 9
Solving Hard Drive Problems
Table 2-3 Solving Hard Drive Problems
Hard drive error occurs.
Cause
Solution
Hard disk has bad sectors or has failed. 1. Right-click Start, click Open Windows Explorer, and
select a drive.
Select Properties then select the Tools tab. Under
Error-checking click Check Now.
2. Use a utility to locate and block usage of bad sectors. If
necessary, reformat the hard disk.
Disk transaction problem.
Cause
Solution
Either the directory structure is bad or there is a problem with
a file.
Right-click Start, click Open Windows Explorer, and select a
drive.
Select Properties then select the Tools tab. Under Error-
checking click Check Now.
Drive not found (identified).
Cause
Solution
Cable could be loose. Check cable connections.
The system may not have automatically recognized a newly
installed device.
See reconfiguration directions in the Solving Hardware
Installation Problems on page 23. If the system still does not
recognize the new device, check to see if the device is listed
within Computer Setup. If it is listed, the probable cause is a
driver problem. If it is not listed, the probable cause is a
hardware problem.
If this is a newly installed drive, run the Computer Setup utility
and try adding a POST delay under Advanced > Power-On
Options.
The device is attached to a SATA port that has been hidden in
Computer Setup.
Run the Computer Setup utility and ensure Device Available
is selected for the device's SATA port in Security > Device
Security.
Drive responds slowly after initial power up. Run Computer Setup and increase the POST Delay in
Advanced > Power-On Options.
Nonsystem disk/NTLDR missing message.
Cause
Solution
The system is trying to start from a media device that is not
bootable.
Remove the media device from the drive.
10 Chapter 2 Troubleshooting Without Diagnostics ENWW
Nonsystem disk/NTLDR missing message.
Cause
Solution
The system is trying to start from the hard drive but the hard
drive may have been damaged.
1. Insert a bootable media device into the drive and restart
the computer.
2. Check the hard drive format using fdisk: If NTFS
formatting, use a third party reader to evaluate the drive.
If FAT32 formatting, the hard drive cannot be accessed.
System files missing or not properly installed. 1. Insert a bootable media device into the drive and restart
the computer.
2. Check the hard drive format using Fdisk: If NFTFS
formatting, use a third party reader to evaluate the drive.
If FAT32 formatting, the hard drive cannot be accessed.
3. Install system files for the appropriate operating system.
Hard drive boot has been disabled in Computer Setup. Run the Computer Setup utility and enable the hard drive entry
in the Storage > Boot Order list.
Bootable hard drive is not attached as first in a multi-hard drive
configuration.
If attempting to boot from a hard drive, ensure it is attached to
the system board connector labeled SATA 0.
Bootable hard drive's controller is not listed first in the Boot
Order.
Run the Computer Setup utility and select Storage > Boot
Order and ensure the bootable hard drive's controller is listed
immediately under the Hard Drive entry.
Computer will not boot from hard drive.
Cause
Solution
The device is attached to a SATA port that has been hidden in
Computer Setup.
Run the Computer Setup utility and ensure Device Available
is selected for the device's SATA port in Security > Device
Security.
Boot order is not correct. Run the Computer Setup utility and change boot sequence in
Storage > Boot Order.
Hard Drive's “Emulation Type” is set to “None.” Run the Computer Setup utility and change the “Emulation
Type” to “Hard Disk” in the device's details under Storage >
Device Configuration.
Hard drive is damaged. Observe if the front panel Power LED is blinking RED and if
any beeps are heard. See Appendix A,
POST Error
Messages on page 38 to determine possible causes for the
blinking red and beep codes.
See the Worldwide Limited Warranty for terms and conditions.
Computer seems to be locked up.
Cause
Solution
Program in use has stopped responding to commands. Attempt the normal Windows “Shut Down” procedure. If this
fails, press the power button for four or more seconds to turn
off the power. To restart the computer, press the power button
again.
Table 2-3 Solving Hard Drive Problems (continued)
ENWW Solving Hard Drive Problems 11
The removable hard drive has no power to the hard drive enclosure.
Cause
Solution
The lock on the enclosure is not turned to the “ON” position. Insert the key and turn the lock clockwise 90 degrees. The
green LED on the front of the enclosure should be on.
Power cable from the computer power supply to the enclosure
frame is not properly connected.
Check the power supply to make sure it is properly connected
to the rear of the enclosure frame.
The removable hard drive is not recognized by the computer.
Cause
Solution
The removable hard drive carrier is not fully seated in the
enclosure frame or the hard drive is not fully seated in the
carrier.
Push the carrier into the enclosure frame so that the connector
on the rear of the frame is properly seated. If this does not solve
the problem, turn off the computer, remove the carrier, and
check to see if the connector on the hard drive is properly
seated in the carrier.
The removable hard drive enclosure is beeping and the green LED is flashing.
Cause
Solution
Fan failure alarm on the removable hard drive enclosure has
been activated.
Shut down the computer and contact HP for a replacement
enclosure.
Table 2-3 Solving Hard Drive Problems (continued)
12 Chapter 2 Troubleshooting Without Diagnostics ENWW
Solving Media Card Reader Problems
Table 2-4 Solving Media Card Reader Problems
A write-protected or locked error occurs when attempting to write to the media card.
Cause
Solution
Media card is locked. Locking the media card is a safety feature
that prevents writing to and deleting from an SD/Memory Stick/
PRO card.
If using an SD card, make sure that the lock tab located on the
right of the SD card is not in the locked position. If using a
Memory Stick/PRO card, make sure that the lock tab located
on the bottom of the Memory Stick/PRO card is not in the
locked position.
Can not write to the media card.
Cause
Solution
The media card is a read-only memory (ROM) card. Check the manufacturer’s documentation included with your
card to see if it writable. Refer to the previous section for a list
of compatible cards.
Media card is locked. Locking the media card is a safety feature
that prevents writing to and deleting from an SD/Memory Stick/
PRO card.
If using an SD card, make sure that the lock tab located on the
right of the SD card is not in the locked position. If using a
Memory Stick/PRO card, make sure that the lock tab located
on the bottom of the Memory Stick/PRO card is not in the
locked position.
Unable to access data on the media card after inserting it into a slot.
Cause
Solution
The media card is not inserted properly, is inserted in the wrong
slot, or is not supported.
Ensure that the card is inserted properly with the gold contact
on the correct side. The green LED will light if inserted properly.
Do not know how to remove a media card correctly.
Cause
Solution
The computer’s software is used to safely eject the card. Click Start > Computer, right-click on the corresponding drive
icon, and select Eject. Then pull the card out of the slot.
NOTE: Never remove the card when the green LED is
flashing
After inserting a media card in the reader, the computer attempts to boot from the media card.
Cause
Solution
The inserted media card has boot capability. If you do not want to boot from the media card, remove it during
boot or do not select the option to boot from the inserted media
card during the boot process.
ENWW Solving Media Card Reader Problems 13
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