HP dx2040 - Microtower PC Service & Reference Manual
Service reference guide: hp compaq dx2040 business pc
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Summary of Contents for HP dx2040 - Microtower PC
- Page 1 Service Reference Guide HP Compaq dx2040 Business PC...
- Page 2 © Copyright 2009 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. Microsoft and Windows are trademarks of Microsoft Corporation in the U.S. and other countries. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services.
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Page 3: About This Book
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. - Page 4 About This Book...
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Page 5: Table Of Contents
Table of contents 1 Installation, Customization, and Backup Installing and Customizing the Software ....................1 Installing the Operating System ................... 1 Downloading Microsoft Windows Updates ................1 Installing or Upgrading Device Drivers ................2 Customizing the Monitor Display ..................2 HP Backup and Recovery Manager ..................... - Page 6 4 Serial ATA (SATA) Drive Guidelines and Features SATA Hard Drives ..........................20 SATA Hard Drive Cables ........................20 SATA Data Cable ......................20 SMART ATA Drives ..........................20 Hard Drive Capacities ........................21 5 Identifying the Chassis, Routine Care, and Disassembly Preparation Chassis Designations .........................
- Page 7 Cable Management ..........................41 Cable Connections ......................42 Power Connectors ......................42 Drives ..............................43 Drive Positions ........................43 System Board Drive Connections ..................44 Removing a 5.25-inch Optical Drive .................. 45 Removing a 3.5-inch Media Card Reader or Diskette Drive ..........46 Removing a 3.5-inch Hard Drive ..................
- Page 8 Japanese Power Cord Requirements ....................67 Country-Specific Requirements ......................68 Appendix C Troubleshooting Safety and Comfort ..........................69 Before You Call for Technical Support ....................69 Helpful Hints ............................70 Solving General Problems ........................72 Solving Hardware Installation Problems ..................... 75 Interpreting POST Diagnostic Front Panel LEDs and Audible Codes ..........
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Page 9: Installation, Customization, And Backup
Installation, Customization, and Backup Installing and Customizing the Software NOTE: If the computer was shipped with Windows Vista loaded, you will be prompted to register the computer with HP Total Care before installing the operating system. You will see a brief movie followed by an online registration form. -
Page 10: Installing Or Upgrading Device Drivers
In Windows XP, you will be directed to the Microsoft Windows Update Web site. If you see one or more pop-up windows that ask you to install a program from http://www.microsoft.com, click Yes to install the program. Follow the instructions on the Microsoft Web site to scan for updates and install critical updates and service packs. - Page 11 For more information on using HP Backup and Recovery Manager, refer to the HP Backup and Recovery Manager User Guide by selecting Start > HP Backup and Recovery > HP Backup and Recovery Manager Manual. NOTE: You can order a Recovery Disc Set from HP by calling the HP support center. Go to the following Web site, select your region, and click the Technical support after you buy link under the Call HP heading to obtain the support center telephone number for your region.
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Page 12: Computer Setup (F10) Utility
Computer Setup (F10) Utility Computer Setup (F10) Utilities Use Computer Setup (F10) Utility to do the following: ● Change factory default settings. ● Set the system date and time. ● Set, view, change, or verify the system configuration, including settings for processor, graphics, memory, audio, storage, communications, and input devices. - Page 13 Five menu headings appear on the Computer Setup Utility screen: ● System Information ● Main ● Advanced ● Boot ● PC Health ● Exit Use the arrow keys to select the appropriate heading, then press Enter. Use the arrow (up and down) keys to select the option you want, then press Enter.
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Page 14: Computer Setup-System Information
Computer Setup—System Information NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-2 Computer Setup—System Information Option Description Product Name (view only) SKU Number (view only) Processor Type (view only) Processor Speed (view only) System ROM (view only) Cache Size... -
Page 15: Computer Setup-Main
Computer Setup—Main NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-3 Computer Setup—Main Option Description Date (mm:dd:yy) Allows you to set system date. Time (hh:mm:ss) Allows you to set system time. PATA Channel 0 Master For each, if PATA HDD is used, allows you to: PATA Channel 0 Slave ●... - Page 16 Table 2-3 Computer Setup—Main (continued) Option Description SATA Port 0 For each, allows you to: SATA Port 1 ● run HDD self-test for selected channel: ◦ SMART Status Check ◦ HDD Short Self-Test ◦ HDD Extended Self-Test ● auto-detect HDD size and head ●...
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Page 17: Computer Setup-Advanced
Table 2-3 Computer Setup—Main (continued) Option Description Halt On Allows you to set POST error behavior to: ● All Errors ● No Errors ● All but Keyboard POST Delay Allows you to set a POST delay to: ● 0 seconds ●... -
Page 18: Computer Setup-Boot
Table 2-4 Computer Setup—Advanced (continued) Option Description Onboard LAN Boot Disables/enables the boot ROM of the onboard LAN chip. Onboard Serial Port 1 Allows you to select a setting for the onboard serial port: ● Onboard Serial Port 2 Disabled ●... -
Page 19: Computer Setup-Pc Health
Table 2-5 Computer Setup—Boot Option Description F9 Boot Menu Disables/enables F9 Boot Menu. F10 Setup Prompt Disables/enables the F10 Setup prompt message on the logo screen. F11 Recovery Disables/enables F11 Recovery and provides the option of showing the F11 Recovery prompt message on the logo screen. -
Page 20: Computer Setup-Exit
Table 2-6 Computer Setup—PC Health Option Description Current CPU (view only) Temperature Current System (view only) Temperature System Fan Speed (view only) Smart Fan Function Disables/enables smart fan functionality. Computer Setup—Exit Table 2-7 Computer Setup—Exit Option Description Save & Exit Setup Allows you to save current settings and exit Computer Setup. -
Page 21: Computer Diagnostic Features
Computer Diagnostic Features HP Insight Diagnostics NOTE: HP Insight Diagnostics is included on CD with some computer models only. The HP Insight Diagnostics utility allows you to view information about the hardware configuration of the computer and perform hardware diagnostic tests on the subsystems of the computer. The utility simplifies the process of effectively identifying, diagnosing, and isolating hardware issues. -
Page 22: Survey Tab
NOTE: It is recommended that you accept the assigned default keyboard for your language unless you want to test your specific keyboard. In the End User License Agreement page, click Agree if you agree with the terms. The HP Insight Diagnostics utility launches with the Survey tab displayed. -
Page 23: Test Tab
Attachment (SATA), and serial attached SCSI (SAS) disk drives that are attached to Smart Array controllers and select MSA controllers configured as part of a logical volume. To determine the health of a hard disk drive, Diagnosis looks at operational history provided by the hard disk drive and proprietary information provided by the Smart Array controller or the MSA controller. -
Page 24: Status Tab
For each test type, there are two test modes to choose from: ● Interactive Mode—Provides maximum control over the testing process. The diagnostic software will prompt you for input during tests that require your interaction. You may also determine whether the test passed or failed. -
Page 25: Log Tab
Log Tab The Log tab contains a Test Log tab and an Error Log tab. The Test Log displays all tests that have been executed, the number of times of execution, the number of times failed, and the time it took to complete each test. The Clear Test Log button will clear the contents of the Test Log. -
Page 26: Downloading The Latest Version Of Hp Insight Diagnostics
NOTE: Do not remove the USB key until you see a message indicating that the html file has been written to the media. Print the information from the storage device used to save it. NOTE: To exit HP Insight Diagnostics, click the Exit Diagnostics button in the bottom left corner of the screen then remove the Documentation and Diagnostics DVD from the optical drive. -
Page 27: Hp Backup And Recovery Manager
HP Backup and Recovery Manager The HP Backup and Recovery Manager is an easy-to-use, versatile application that allows you to back up and recover the primary hard drive on the PC. The application works within Windows to create backups of Windows, all applications, and all data files. Backups can be scheduled to occur automatically at designated intervals, or they can be initiated manually. -
Page 28: Serial Ata (Sata) Drive Guidelines And Features
Serial ATA (SATA) Drive Guidelines and Features SATA Hard Drives Serial ATA Hard Drive Characteristics Number of pins/conductors in data cable Number of pins in power cable Maximum data cable length 39.37 in (100 cm) Data interface voltage differential 400-700 mV Drive voltages 3.3 V, 5 V, 12 V Jumpers for configuring drive... -
Page 29: Hard Drive Capacities
Hard Drive Capacities The combination of the file system and the operating system used in the computer determines the maximum usable size of a drive partition. A drive partition is the largest segment of a drive that may be properly accessed by the operating system. A single hard drive may therefore be subdivided into a number of unique drive partitions in order to make use of all of its space. -
Page 30: Identifying The Chassis, Routine Care, And Disassembly Preparation
Identifying the Chassis, Routine Care, and Disassembly Preparation This chapter provides general service information for the computer. Adherence to the procedures and precautions described in this chapter is essential for proper service. CAUTION: When the computer is plugged into an AC power source, voltage is always applied to the system board. -
Page 31: Generating Static
Networks built into many integrated circuits provide some protection, but in many cases, the discharge contains enough power to alter device parameters or melt silicon junctions. Generating Static The following table shows that: ● Different activities generate different amounts of static electricity. ●... -
Page 32: Personal Grounding Methods And Equipment
Personal Grounding Methods and Equipment Use the following equipment to prevent static electricity damage to equipment: ● Wrist straps are flexible straps with a maximum of one-megohm ± 10% resistance in the ground cords. To provide proper ground, a strap must be worn snug against bare skin. The ground cord must be connected and fit snugly into the banana plug connector on the grounding mat or workstation. -
Page 33: Operating Guidelines
● Field service kits ● Static awareness labels ● Wrist straps and footwear straps providing one-megohm +/- 10% resistance ● Material handling packages ● Conductive plastic bags ● Conductive plastic tubes ● Conductive tote boxes ● Opaque shielding bags ● Transparent metallized shielding bags ●... -
Page 34: Routine Care
Routine Care General Cleaning Safety Precautions Never use solvents or flammable solutions to clean the computer. Never immerse any parts in water or cleaning solutions; apply any liquids to a clean cloth and then use the cloth on the component. Always unplug the computer when cleaning with liquids or damp cloths. -
Page 35: Cleaning The Monitor
● If you remove a key, use a specially designed key puller to prevent damage to the keys. This tool is available through many electronic supply outlets. CAUTION: Never remove a wide leveled key (like the space bar) from the keyboard. If these keys are improperly removed or installed, the keyboard may not function properly. -
Page 36: Screws
● Diagnostics software ● HP tamper-resistant T-15 wrench (Smart Cover FailSafe Key, PN 166527-001) or HP tamper- resistant bits (Smart Cover FailSafe Key, PN 166527-002) Screws The screws used in the computer are not interchangeable. They may have standard or metric threads and may be of different lengths. -
Page 37: Lithium Coin Cell Battery
Lithium Coin Cell Battery The battery that comes with the computer provides power to the real-time clock and has a minimum lifetime of about three years. See the appropriate removal and replacement chapter for the chassis you are working on in this guide for instructions on the replacement procedures. -
Page 38: Removal And Replacement Procedures
Removal and Replacement Procedures Adherence to the procedures and precautions described in this chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. NOTE: Not all features listed in this guide are available on all computers. Serial Number Location Each computer has a unique serial number and product ID number that are located on the top cover of the computer. -
Page 39: Preparation For Disassembly
Preparation for Disassembly Close any open software applications. Exit the operating system. Remove any diskette or compact disc from the computer. Turn off the computer and any peripheral devices that are connected to it. CAUTION: Turn off the computer before disconnecting any cables. CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. -
Page 40: Access Panel
Access Panel Prepare the computer for disassembly (Preparation for Disassembly on page 31). Remove the two screws that secure the access panel to the computer chassis (1). Slide the access panel back about 1.25 cm (1/2 inch), and then lift it away from and off the unit (2). -
Page 41: Front Bezel
Front Bezel Prepare the computer for disassembly (Preparation for Disassembly on page 31). Remove the access panel (Access Panel on page 32). Pull outward on all three tabs on the left side of the bezel (1) then rotate the bezel off the chassis (2), beginning with the left side then the right side. -
Page 42: Bezel Blanks
Bezel Blanks Prepare the computer for disassembly (Preparation for Disassembly on page 31). Remove the access panel (Access Panel on page 32). Remove the front bezel (Front Bezel on page 33). 5.25-inch Drive Bezel Blank While facing the inside of the front bezel, press the two retaining tabs on the right toward the outer edge of the bezel (1) and pull the bezel blank inward (2) to remove it. -
Page 43: Inch Drive Bezel Blank
3.5-inch Drive Bezel Blank While facing the inside of the front bezel, press outward on the retaining tabs on each side of the bezel blank (1) and pull the bezel blank inward to remove it (2). Figure 6-5 Removing a 3.5" Bezel Blank NOTE: To install a 3.5-inch bezel blank, press the blank inward from the inside of the front bezel so that it snaps into place. -
Page 44: Memory
Memory The computer comes with double data rate 2 synchronous dynamic random access memory (DDR2- SDRAM) dual inline memory modules (DIMMs). The memory sockets on the system board can be populated with up to two industry-standard DIMMs. These memory sockets are populated with at least one preinstalled DIMM. The sockets are labeled DIMM1 and DIMM2. - Page 45 Open both latches of the memory module socket (1), and insert the memory module into the socket (2). Begin by installing a module into the socket nearest the pre-installed module, and install the modules following the numerical order of the sockets. Figure 6-6 Installing a DIMM NOTE:...
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Page 46: Expansion Cards
Expansion Cards The computer has two standard PCI expansion slots that can accommodate expansion cards up to 17.46 cm (6.875 inches) in length. The computer also has one PCI Express x1 expansion slot and one PCI Express x16 expansion slot. Prepare the computer for disassembly (Preparation for Disassembly on page 31). - Page 47 If you are installing an expansion card for the first time, you must use a flat-blade screwdriver to pry out the metal shield on the rear panel that covers the expansion slot. Be sure to remove the appropriate shield for the expansion card you are installing. Figure 6-8 Removing an Expansion Slot Cover Removable Shield...
- Page 48 Hold the expansion card just above the expansion socket on the system board then move the card toward the rear of the chassis so that the bottom of the bracket on the card slides into the small slot on the chassis. Press the card straight down into the expansion socket on the system board. Figure 6-9 Installing an Expansion Card NOTE:...
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Page 49: Cable Management
Cable Management Always follow good cable management practices when working inside the computer. ● Keep cables away from major heat sources like the heatsink. ● Do not jam cables on top of expansion cards or memory modules. Printed circuit cards like these are not designed to take excessive pressure on them. -
Page 50: Cable Connections
Cable Connections Description Color System Board Connector Name Power supply, 20-pin white Power supply, 4-pin white PWRCPU Diskette drive black FLPY 1st SATA hard drive white SATA0 2nd SATA hard drive dark blue SATA1 Front power on button black JFP1 Front I/O USB white FRNT USB... -
Page 51: Drives
Drives This section describes the procedure for replacing or upgrading the storage drives. A Torx T-15 or flatblade screwdriver is needed to remove and install the guide screws and retainer screws on a drive. Drive Positions Figure 6-10 Drive Positions External 5.25-inch half-height optical drive bay External 5.25-inch half-height option drive bay External 3.5-inch option drive bay (media card reader shown) -
Page 52: System Board Drive Connections
System Board Drive Connections Follow the guidelines in the illustration and table below when connecting drives to the system board. Figure 6-11 System Board Device Connections System Board Connector System Board Label Color PCI Express x16 PCIex16 white PCI Express x1 PCIex1 black white... -
Page 53: Removing A 5.25-Inch Optical Drive
Removing a 5.25-inch Optical Drive Prepare the computer for disassembly (Preparation for Disassembly on page 31). Remove the access panel (Access Panel on page Remove the front bezel (Front Bezel on page Disconnect the power and data cables from the back of the drive. Remove the two retainer screws that secure the drive to the bay (1) then slide the drive forward and out of the bay (2). -
Page 54: Removing A 3.5-Inch Media Card Reader Or Diskette Drive
Removing a 3.5-inch Media Card Reader or Diskette Drive The 3.5-inch external drive bay may be populated with a diskette drive or a media card reader. The removal procedure is the same for both devices. Prepare the computer for disassembly (Preparation for Disassembly on page 31). -
Page 55: Removing A 3.5-Inch Hard Drive
Removing a 3.5-inch Hard Drive CAUTION: Make sure to create a Recovery Disc Set through HP Backup and Recovery Manager and back up your personal files on the hard drive to an external storage device before removing the hard drive. Failure to do so will result in data loss. After replacing the primary hard drive, you will need to load the HP factory-installed files from the Recovery Disc Set. -
Page 56: Front I/O Panel Housing Assembly
Front I/O Panel Housing Assembly Prepare the computer for disassembly (Preparation for Disassembly on page 31). Remove the access panel (Access Panel on page 32). Remove the front bezel (Front Bezel on page 33). Position the computer on its side with the rear toward you. Free the two cables from the cable tie that is attached to the chassis. -
Page 57: Power Switch Assembly
Power Switch Assembly Prepare the computer for disassembly (Preparation for Disassembly on page 31). Remove the access panel (Access Panel on page 32). Remove the front bezel (Front Bezel on page 33). Place the chassis on its side with the rear toward you. Disconnect the braided cables from the system board. -
Page 58: Speaker
Speaker Prepare the computer for disassembly (Preparation for Disassembly on page 31). Remove the access panel (Access Panel on page 32) and place the chassis on its side with the front toward you. Remove the front bezel (Front Bezel on page 33). - Page 59 Remove the speaker by sliding it toward the bottom of the chassis (toward the right with the chassis on its side) and out of the retaining clips, and then lift the speaker out of the chassis. To install the speaker, reverse the removal procedure. Plug the cable into the white connector labeled SPKR.
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Page 60: System Fan
System Fan Prepare the computer for disassembly (Preparation for Disassembly on page 31). Remove the access panel (Access Panel on page 32). Place the chassis on its side with the rear toward you. Disconnect the cable that connects the system fan to the system board. Remove the two Torx screws that secure the fan to the chassis, and then remove the fan from the chassis. -
Page 61: System Board
System Board NOTE: The heat sink and processor are spared with the system board. Prepare the computer for disassembly (Preparation for Disassembly on page 31). Remove the access panel (Access Panel on page 32). Remove the front bezel and lay the computer down on its side to make it easier to work on (Front Bezel on page 33). -
Page 62: Rear I/O Panel
❑ Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water. ❑ Replace the battery only with the HP/Compaq spare designated for this product. ❑ CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings. When the battery is removed or replaced, the CMOS settings will be cleared. -
Page 63: Type 1 Battery Holder
CAUTION: Static electricity can damage the electronic components of the computer or optional equipment. Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching a grounded metal object. Prepare the computer for disassembly (Preparation for Disassembly on page 31). -
Page 64: Type 3 Battery Holder
To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the positive side up (2). Push the other edge down until the clamp snaps over the other edge of the battery. Replace the computer access panel. Plug in the computer and turn on power to the computer. -
Page 65: Power Supply
Plug in the computer and turn on power to the computer. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. Power Supply WARNING! Voltage is always present on the system board when the computer is plugged into an active AC outlet. -
Page 66: Installing A Security Lock
While holding the power supply above the tabs in the chassis, move the power supply toward the front (1) and bottom (2) of the chassis until it clears the lips on the top of the chassis, and then lift the power supply out of the chassis. To install the power supply, reverse the removal procedure. -
Page 67: Padlock
Padlock Figure 6-16 Installing a Padlock Installing a Security Lock... -
Page 68: Appendix A Connector Pin Assignments
Connector Pin Assignments This appendix contains the pin assignments for many computer and workstation connectors. Some of these connectors may not be used on the product being serviced. Keyboard Connector and Icon Signal Data Unused Ground +5 VDC Clock Unused Mouse Connector and Icon Signal... -
Page 69: Ethernet Rj-45
Ethernet RJ-45 Connector and Icon Signal (+) Transmit Data (-) Transmit Data (+) Receive Data Unused Unused (-) Receive Data Unused Unused Serial Interface, Powered and Non-Powered Connector and Icon Signal Carrier Detect (12V if powered) Receive Data Transmit Data Data Terminal Ready Signal Ground Data Set Ready... -
Page 70: Microphone
Microphone Connector and Icon (1/8” miniphone) Signal 1 (Tip) Audio_left 1 2 3 2 (Ring) Audio_Right 3 (Shield) Ground Headphone Connector and Icon (1/8” miniphone) Signal 1 (Tip) Audio_left 1 2 3 2 (Ring) Power_Right 3 (Shield) Ground Line-in Audio Connector and Icon (1/8”... -
Page 71: Monitor
Monitor Connector and Icon Signal Signal Red Analog +5V (fused) Green Analog Ground Blue Analog Not used Not used DDC Serial Data Ground Horizontal Sync Ground Vertical Sync Ground DDC Serial Clock Ground 24-Pin Power Connector Front Signal Signal Signal Signal +3.3V +3.3V... -
Page 72: 4-Pin Power (For Cpu)
4-Pin Power (for CPU) Connector and Icon Signal +12V CPU -12V CPU SATA Data and Power Drive Connector Signal Signal Signal Signal Ground Ground Ground Ground V 3.3 V 3.3 Ground Ground Ground Reserved Ground V 12 V 12 *S = Data, P = Power Appendix A Connector Pin Assignments... -
Page 73: Pci Express
PCI Express x1, x4, x8, and x16 PCI Express Connector Pin A Signal Signal Signal Signal Signal PRSNT1 JTAG3 PERST# PERp0 PERp1 +12V JTAG4 PERn0 PERn1 +12V JTAG5 REFCLK+ +3.3V REFCLK- RSVD JTAG2 +3.3V PERp2 PERn(2) PERn4 RSVD PERp7 RSVD PERp6 PERn7 PERp3... -
Page 74: Pci Express
PCI Express x1, x4, x8, and x16 PCI Express Connector Pin B Signal Signal Signal Signal Signal +12V SMDAT WAKE# +12V RSVD RSVD +3.3 V PETp2 PETp1 JTAG1 PETp0 PETn2 PETn1 SMCLK 3.3vAux PETn0 PRSNT2# PETp6 PETn7 PETp3 PETp5 PRTn6 PETn3 PETp4 PETn5... -
Page 75: Appendix B Power Cord Set Requirements
Power Cord Set Requirements The power supplies on some computers have external power switches. The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power switches are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage. -
Page 76: Country-Specific Requirements
Country-Specific Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) EANSW Italy (1) Austria (1) Japan (3) METI Belgium (1) CEBC Norway (1) NEMKO Canada (2) Sweden (1) SEMKO Denmark (1) DEMKO... -
Page 77: Appendix C Troubleshooting
Troubleshooting 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 available on the Web site at http://www.hp.com/ergo for more information on choosing a workspace and creating a safe and comfortable work environment. -
Page 78: Helpful Hints
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... - Page 79 ● 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 and a single monitor, the monitor must be plugged into the monitor connector on the source selected as the primary VGA adapter.
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Page 80: Solving General Problems
Solving General Problems You may be able to easily resolve the minor 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 your HP authorized reseller or service provider. Computer will not turn on. - Page 81 Computer date and time display is incorrect. Cause Solution RTC (real-time clock) battery may need to be replaced. First, reset the date and time under Control Panel (Computer Setup can also be used to update the RTC date and time). If NOTE: Connecting the computer to a live AC outlet prolongs the problem persists, replace the RTC battery.
- Page 82 Poor performance is experienced. Cause Solution Some software applications, especially games, are stressful Lower the display resolution for the current application or on the graphics subsystem consult the documentation that came with the application for suggestions on how to improve performance by adjusting parameters in the application.
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Page 83: Solving Hardware Installation Problems
Solving Hardware Installation Problems You may need to reconfigure the computer when you add or remove hardware, such as an additional drive or expansion card. If you install a plug and play device, the Windows operating system automatically recognizes the device and configures the computer. If you install a non–plug and play device, you must reconfigure the computer after completing installation of the new hardware. -
Page 84: Interpreting Post Diagnostic Front Panel Leds And Audible Codes
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them. WARNING! When the computer is plugged into an AC power source, voltage is always applied to the system board. -
Page 85: Contacting Customer Support
Table C-1 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes six Pre-video graphics error. For systems with a graphics card: times, once every second, Reseat the graphics card. followed by a two second pause. -
Page 86: Appendix D Specifications
Specifications Table D-1 Specifications Desktop Dimensions 14.05 in 35.7 cm Height 6.89 in 17.5 cm Width 16.38 in 41.6 cm Depth Approximate Weight 16.3 lb 7.4 kg Temperature Range 50° to 95°F 10° to 35°C Operating -22° to 140°F -30° to 60°C Nonoperating NOTE: Operating temperature is derated 1.0°... - Page 87 Table D-1 Specifications (continued) Rated Input Current (maximum) 6A @ 100 VAC 4A @ 200 VAC This system utilizes a passive power factor corrected power supply. The power factor correction is present in the 230V operating mode only. This allows the system to pass the CE mark requirements for use in the countries of the European Union. This supply requires the use of an input voltage range select switch.
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Page 88: Index
Index Symbols/Numerics country power cord set 24-pin power pin assignments 63 requirements 68 hard drive 3.5-inch proper handling 28 drive bezel blank 35 SATA characteristics 20 DIMMs 4-pin power pin assignments 64 hard drive, 3.5-inch specifications 36 5.25-inch installing 47 disassembly preparation 31 drive bezel blank 34 removing 47... - Page 89 microtower chassis, illustrated 22 safety precautions monitor cleaning 26 pin assignments 63 SATA mouse connectors on system cleaning 27 board 20 pin assignments 60 data cable pinouts 20 hard drive characteristics 20 pin assignments 64 operating guidelines 25 screws, correct size 28 optical drive SDRAM (synchronous dynamic installing 45...