HP Dx7500 Service Reference Guide: HP Compaq dx7500 Business PC
HP Dx7500 - Compaq Business Desktop Manual
UPC - 884420980605
View all HP Dx7500 manuals
Add to My Manuals
Save this manual to your list of manuals |
HP Dx7500 manual content summary:
- HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 1
Service Reference Guide HP Compaq dx7500 Business PC - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 2
and Windows are trademarks of Microsoft Corporation in the U.S. and other countries. The only warranties for HP products and services are without the prior written consent of Hewlett-Packard Company. Service Reference Guide Business PCs Second Edition (December 2008) First Edition (September 2008) - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 3
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 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 4
iv About This Book - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 5
or Upgrading Device Drivers 1 HP Backup and Recovery Manager ...1 2 Computer Setup (F10) Utility Computer Setup (F10) Utilities ...3 Using Computer Setup (F10) Utilities 3 Computer Setup-Main ...4 Computer Setup-Advanced 5 Computer Setup-Power ...6 Computer Setup-Boot ...7 Computer Setup - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 6
and Features SATA Hard Drives ...35 SATA Hard Drive Cables ...35 SATA Data Cable ...35 SMART ATA Drives ...36 Hard Drive Capacities ...36 6 Identifying the Chassis, Routine Care, and Disassembly Preparation Chassis Designations ...37 Microtower (MT) ...37 Small Form Factor (SFF 38 Electrostatic - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 7
Computer Case 42 Cleaning the Keyboard ...42 Cleaning the Monitor ...43 Cleaning the Mouse ...43 Service Considerations ...43 Power Supply Fan ...43 Tools and Software Requirements 43 Screws ...44 Cables and Connectors ...44 Hard Drives ...44 Lithium Coin Cell Battery 44 7 Removal and Replacement - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 8
Padlock ...88 HP Business PC Security Lock 89 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Preparation for Disassembly ...91 Access Panel ...92 Front Bezel ...93 Bezel Blanks ...94 Cable Management ...95 Cable Connections ...96 Drives ...97 Drive Positions ...97 Installing - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 9
Problems 176 Solving Internet Access Problems ...177 Solving Software Problems ...179 Interpreting POST Audible Codes ...180 Resetting the Password Jumper ...181 Resetting the CMOS Jumper ...182 Contacting Customer Support ...183 Appendix D Specifications Minitower ...184 Small Form Factor - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 10
Index ...186 x - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 11
, select Download drivers and software (and firmware), enter the model number of the computer, and press Enter. 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 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 12
on the C: drive and creates a Recovery Partition. Recovery Points and file backups can be copied to CD or DVD discs, while all backups can be copied to network or secondary hard disks. HP highly recommends that you create a Recovery Disc Set immediately before using the computer and schedule regular - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 13
devices. ● View settings for processor and memory. ● Modify the boot order of bootable devices such as hard drives, diskette drives, optical drives, or USB flash media devices. ● Run hard drive self-tests. ● Establish a supervisor password that controls access to Computer Setup (F10) Utility and - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 14
CAUTION: Do NOT turn the computer power OFF while the ROM is saving the Computer Setup (F10) changes because the CMOS could become corrupted. It is safe to turn off the computer only after exiting the F10 Setup screen. Computer Setup-Main NOTE: Support for specific Computer Setup options may vary - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 15
incorrect values may cause your system to malfunction. Table 2-2 Computer Setup-Advanced Option Description CPU Type (view only) CPU Speed (view only) Cache RAM (view only) Primary Video Adapter Allows you to select the boot display device when more than 2 video options are offered by the - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 16
Password Allows you to change the supervisor password. Computer Setup-Power NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table 2-3 Computer Setup-Power Option Description After AC Power Failure Allows you to select system restart behavior - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 17
device priority within CD/DVD drives. Priority Hard Drive Group Boot Specifies boot device priority within hard drives. Priority Network Group Boot Priority Specifies boot device priority within bootable network devices. Computer Setup-Exit NOTE: Support for specific Computer Setup options may - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 18
To reset all BIOS Setup options to their default values (including options for ctrl+F10), you must enter F10 Setup mode and press F5. This does not include updates to system date, system time, supervisor password, user password, and CPU frequency multiplier. 8 Chapter 2 Computer Setup (F10) Utility - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 19
) and click Next. 3. Follow the instructions in the wizard to create a Recovery Disc Set. 4. Use Windows Explorer to search the Recovery Disc Set for the CD with the compaq\hpdiags directory. 5. While the computer is on, insert the CD into an optical drive on the computer. HP Insight Diagnostics 9 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 20
does not boot to the CD in the optical drive, you may need to change the boot order in the Computer Setup (F10) utility so that the system attempts to boot to the optical drive before booting to the hard drive. Refer to the Computer Setup (F10) Utility Guide for more information. 8. Select the - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 21
specifically select which devices, tests, and test parameters are run. For each test type, there are two test modes to choose from: ● Interactive Mode-Provides maximum control over the testing process. The diagnostic software to monitor the progress of the test, is automatically displayed during the - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 22
Repair action that should help solve the problem. To find an error code description quickly, enter the code in the box at the top of the tab and click the Find Error Codes button. The Test Components tab displays low-level information on tests that are run. 12 Chapter 3 Computer Diagnostic Features - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 23
drive. Downloading the Latest Version of HP Insight Diagnostics 1. Go to http://www.hp.com. 2. Click the Support & Drivers link. 3. Select Download drivers and software (and firmware). 4. Enter your product number (for example, dx7500) in the text box and press the Enter key. 5. Select your specific - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 24
on the C: drive and creates a Recovery Partition. Recovery Points and file backups can be copied to CD or DVD discs, while all backups can be copied to network or secondary hard disks. HP highly recommends that you create a Recovery Disc Set immediately before using the computer and schedule regular - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 25
of desktop management are: ● Initial configuration and deployment ● Remote system installation ● Software updating and management ● ROM flash ● Hardware option configuration ● Asset tracking and security ● Fault notification and recovery NOTE: Support for specific features described in this guide - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 26
management and troubleshooting, and power management. NOTE: See HP Backup and Recovery Manager on page 1 for information on creating a Recovery Disc Set. HP Software Agent The management agent used by both HP Client Automation Standard and Enterprise Editions is preloaded on the computer. When - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 27
tasks: ● Formatting a hard drive ● Deploying a software image on one or more new PCs ● Remotely updating the system BIOS in flash ROM (Remote ROM Flash on page 23) ● Configuring the system BIOS settings To initiate Remote System Installation, press F12 when the F12 = Network Service Boot message - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 28
how you manage your HP client computers. HP Client Management Interface used in conjunction with system management software can: ● Request in-depth client inventory information-Capture detailed information about the processors, hard drives, memory, BIOS, drivers, including sensor information (such - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 29
Starter Edition is a free product for managing HP desktops, notebooks and workstations, providing hardware and software inventory, remote control, HP alert monitoring, HP BIOS and driver updates, and integration with HP Protect Tools. The Starter Edition also supports deployment and management of - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 30
drivers and BIOS updates without visiting each PC ● Remotely configure BIOS and security settings ● Automate processes to quickly resolve hardware problems Tight integration with HP Instant Support tools reduces hardware troubleshooting time. ● Diagnostics-remotely run & view reports on HP desktop - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 31
information on HP business desktops, notebooks and workstations. It can be used in conjunction with the custom inventory and update features of Microsoft products to provide automated driver and patch updates to managed HP client computers. Microsoft products supported by the HP Client Catalog - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 32
each PC consumes. It also provides control over PC power settings enabling administrators to easily implement energy saving strategies across their networks. An HP SoftPaq containing the Surveyor agent may be downloaded from the HP Support site and installed on supported commercial desktop models - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 33
on multiple computers results in a consistent deployment of, and greater control over, HP PC BIOS images over the network. It also results in greater productivity and lower total cost of ownership. NOTE: SSM does not currently support remote ROM flash on systems that have Windows Vista BitLocker - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 34
the ROM, the system will automatically power off. 4. Remove the removable media used to upgrade the BIOS. 5. Turn the power on to restart the computer. NOTE: BitLocker prevents Windows Vista from booting when a CD containing the BIOS image file is in an optical drive. If BitLocker is enabled, remove - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 35
USB flash media device. If Windows XP is not available to use to create a bootable diskette, use the method for copying to a single computer instead (see Copying to Single Computer on page 24). 1. Create a bootable diskette or USB flash media device. See Supported USB Flash Media Device on page - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 36
flash media device. 8. Download a BIOS utility for replicating setup (repset.exe) and copy it onto the configuration diskette or USB flash media device. To obtain this utility, go to http://welcome.hp.com/country/us/en/ support.html and enter the model number of the computer. 9. On the configuration - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 37
directory on another drive (for example, the system's internal hard drive). 10. At the A:\ prompt, enter FORMAT /S X: where X represents the drive letter noted before. CAUTION: Be sure that you have entered the correct drive letter for the USB flash media device. FORMAT will display one or more - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 38
before the hard drive, the computer can be booted from a USB flash media device. Otherwise, a bootable diskette must be used. 1. If there are any PCI cards in the system that have SCSI, ATA RAID or SATA drives attached, turn off the computer and unplug the power cord. CAUTION: The power cord MUST - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 39
installing the latest support software easier. You can download the software from http://www.hp.com/support. The Web site contains the latest device drivers, utilities, and flashable ROM images needed to run the latest Microsoft Windows operating system on the HP computer. Dual-State Power Button 29 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 40
the HP computer: ● Locally, using the Computer Setup Utilities. See the Computer Setup (F10) Utility Guide included with the computer for additional information and instructions on using the Computer Setup Utilities. Some computers also have HP BIOS Configuration for ProtectTools, which is a Windows - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 41
to change non-critical BIOS Setup options only, such as system date and system time. Establishing a Supervisor Password Using Computer Setup If the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at http://www.hp.com. Establishing a Supervisor - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 42
the system is equipped with an embedded security device, refer to the HP ProtectTools Security Manager Guide at http://www.hp.com. 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart the Computer. 2. To change the Supervisor or User password, go to step 3. To - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 43
HP ProtectTools Security Manager Guide at http://www.hp.com. 1. Turn on or restart the computer. If you are in Windows, click Start > Shut Down > Restart the Computer password, you cannot access the computer. Refer to the Troubleshooting Guide for instructions on clearing passwords. Asset Tracking - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 44
to the hard drive. The service provider can use this information to help diagnose conditions that caused you to run the DPS software. Refer to the Troubleshooting Guide for instructions on using DPS. Surge-Tolerant Power Supply An integrated surge-tolerant power supply provides greater reliability - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 45
ATA (SATA) Drive Guidelines and Features NOTE: HP only supports the use of SATA hard drives on these models of computer. No Parallel ATA (PATA) drives are supported. SATA Hard Drives Serial ATA Hard Drive Characteristics Number of pins/conductors in data cable Number of pins in power cable Maximum - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 46
SMART ATA Drives The Self Monitoring Analysis and Recording Technology (SMART) ATA drives for the HP Personal Computers have built-in drive failure prediction that warns the user or network administrator of an impending failure or crash of the hard drive. The SMART drive tracks fault prediction and - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 47
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. Chassis Designations The following subsection illustrates the dx7500 chassis design. Microtower (MT) NOTE: The appearance of the front bezel may - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 48
Small Form Factor (SFF) NOTE: The appearance of the front bezel may vary. Electrostatic Discharge layers, reducing its life expectancy. Networks built into many integrated circuits provide some protection, but in many cases, the discharge contains enough power to alter device parameters or melt - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 49
assemblies with conductive or approved containers or packaging. ● Keep electrostatic sensitive parts in their containers until they arrive at static-free stations. ● Place items on a grounded surface before removing them from their container. ● Always be properly grounded when touching a sensitive - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 50
case or PCB laminate. Handle them only at static-free work areas. ● Turn off power and input signals before inserting and removing connectors or test resistance ● Static-dissipative table or floor mats with hard tie to ground ● Field service kits ● Static awareness labels ● Wrist straps and footwear - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 51
listed above will still apply. ● Keep liquids away from the computer and keyboard. ● Never cover the ventilation slots on the monitor with any type of material. ● Install or enable power management functions of the operating system or other software, including sleep states. Operating Guidelines 41 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 52
always wipe the unit with a clean, lint-free cloth. ● Occasionally clean the air vents on the computer. Lint and other foreign matter can block the the procedures described in Cleaning the Computer Case on page 42. When cleaning debris from under the keys, review all rules in General Cleaning Safety - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 53
the power cord from the power source before opening the computer to prevent system board or component damage. Tools and Software Requirements To service the computer, you need the following: ● Torx T-15 screwdriver (HP screwdriver with bits, PN 161946-001) ● Torx T-15 screwdriver with small diameter - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 54
as monitors or speakers. 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 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 55
WARNING! This computer contains a lithium battery. There is a risk of fire and chemical burn if the battery is handled improperly. them to recycling or proper disposal, please use the public collection system or return them to HP, their authorized partners, or their agents. Service Considerations 45 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 56
that are located on the upper left side of the computer. Keep these numbers available for use when contacting customer service for assistance. Figure 7-1 Serial Number and Product ID Location NOTE: Bezel appearance may vary. 46 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 57
systems the cooling fan is on even when the computer is in the "Standby," or "Suspend" modes. The power cord should always be disconnected before servicing a unit. 5. Disconnect the power cord from the electrical outlet and then from the computer. 6. Disconnect all peripheral device cables from the - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 58
: You may want to lay the computer on its side to install internal parts. Be sure the side with the access panel is facing up. Figure 7-2 Removing the Computer Access Panel To replace the access panel, reverse the removal steps. 48 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 59
Front Bezel 1. Prepare the computer for disassembly (Preparation for Disassembly on page 47). 2. Remove the access panel (Access Panel on page 48). 3. Press outward on the three latches on the - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 60
: 1. Follow the instructions described in Front Bezel on page 49. 2. Press the two retaining tabs towards the outer left edge of the bezel (1) and pull the bezel blank inwards to remove it (2). Figure 7-4 Removing a Bezel Blank 50 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 61
the maximum memory support, you can populate the system board with up to 16-GB of memory configured in a highperforming dual channel mode. mandatory JEDEC SPD information In addition, the computer supports: ● 512Mbit, 1Gbit, and 2Gbit non-ECC memory technologies ● single-sided and double-sided - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 62
in dual channel mode. ● The system will operate in flex mode if the total memory capacity of the DIMMs in Channel A is not equal to the total memory capacity of the DIMMs in Channel B. In flex mode, the channel populated 52 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 63
this configuration, 2-GB will run as dual channel and 512-MB will run as power to drain before adding or removing memory modules. Regardless of the power-on state, voltage is always supplied to the memory modules as long as the computer is plugged into an active AC outlet. Adding or removing memory - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 64
external devices, then turn on the computer. The computer should automatically recognize the additional memory when you turn on the computer. 9. Lock any security devices that were disengaged when the access panel was removed. 54 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 65
install a PCI Express x1, x4, x8, or x16 expansion card in the PCI Express x16 expansion slot. To remove, replace, or add an expansion card: 1. Prepare the computer for disassembly (Preparation for Disassembly on page 47). 2. Remove the access panel (Access Panel on page 48). 3. Locate the correct - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 66
4. On the rear of the computer, a slot cover lock secures the expansion card brackets in place. Remove the screw from the slot cover shield for the expansion card you are installing. Figure 7-9 Removing an Expansion Slot Cover 56 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 67
retention arm on the back of the expansion socket away from the card and carefully rock the card back and forth until the connectors pull free from the socket. Be sure not to scrape the card against the other components. Figure 7-11 Removing a PCI Express x16 Expansion Card 6. Store the removed - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 68
: After removing an expansion card, you must replace it with a new card or expansion slot cover of the bracket on the card slides into the small slot on the chassis. Press the card straight connector seats properly in the expansion card slot. 9. Replace the slot cover lock and secure it in place - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 69
Guide for instructions on using Computer Setup. 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 drive cage, power supply, or computer - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 70
2. Grasp the cable end of the connector and pull it straight up (2). CAUTION: Always pull the connector - NEVER pull on the cable. Pulling on the cable could damage the cable and result in a failed power supply. 60 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 71
Description Power supply, 24-pin Power supply, 4-pin Diskette drive Chassis fan Heatsink fan Front power button/LED Front I/O USB cable Front I/O audio Internal speaker Serial port Media card reader Primary hard drive Primary optical drive Second hard drive Second optical drive Cable Management - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 72
Drives The computer supports up to five drives that may be installed in various configurations. This section describes the procedure for replacing or upgrading the storage drives. A Torx T-15 screwdriver is needed to remove and install the guide screws on a drive. Drive Positions Figure 7-14 Drive - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 73
screws on the interior of the front bezel that are used to secure the drives in the drive cage. Hard drives use 6-32 standard screws. All other drives use M3 metric screws. The HP-supplied M3 metric guide screws (1) are black. The HP-supplied 6-32 standard screws (2) are silver. Figure 7-15 Extra - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 74
Board Drive Connections Table 7-3 System Board Drive Connections No. System Board Connector System Board Label 1 Media Card Reader F_USB2 2 SATA4 SATA4 3 SATA5 SATA5 4 SATA1 SATA1 Color black red black white 64 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 75
a drive before removing the drive from the computer. To remove an optical drive: 1. Prepare the computer for disassembly (Preparation for Disassembly on page 47). 2. Remove the access panel (Access Panel on page 48). 3. Remove the front bezel (Front Bezel on page 49). 4. Disconnect the power cable - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 76
the screwdriver to break the knockout plate out of the chassis. Discard the knockout plate. 6. If the new drive has screws installed on the sides of the drive, remove the screws before inserting the drive into the chassis. 66 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 77
cable (1) and data cable (2) to the rear of the optical drive. Figure 7-20 Connecting the Power and Data Cables 10. Replace the front bezel and access panel. 11. Reconnect the power cord and turn on the computer. 12. Lock any security devices that were disengaged when the access panel was removed - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 78
the drive cables, as indicated in the following illustrations: a. If you are removing a diskette drive, disconnect the data cable (1) and power cable (2) from the back of the drive. Figure 7-21 Disconnecting the Diskette Drive Cables 68 Chapter 7 Removal and Replacement Procedures Microtower (MT - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 79
cable from the system board. Figure 7-22 Disconnecting the Media Card Reader Cable 5. Remove the two retainer screws that secure the drive to the bay (1) then slide the drive forward and out of the bay (2). Figure 7-23 Removing a 3.5-inch Device (Media Card Reader Shown) NOTE: To install an external - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 80
Media Card Reader Shown) 8. Connect the appropriate drive cables: a. If installing a diskette drive, connect the power and data cables to the rear of the drive and connect the other end of the data system board labeled F_USB2. 70 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 81
the new hard drive. Also, if you are replacing the primary hard drive, make sure you have created a Recovery Disc Set to restore the operating system, software drivers, and any software applications that were preinstalled on the computer. If you do not have this CD set, select Start > HP Backup and - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 82
hard drive cage (1), then slide the hard drive cage away from the bottom of the chassis (2) as shown below. Figure 7-26 Releasing the Hard Drive Cage 5. Lift the hard drive cage out of the chassis. Figure 7-27 Removing the Hard Drive Cage 72 Chapter 7 Removal and Replacement Procedures Microtower - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 83
power cable (1) and data cable (2) from the back of the hard drive. Figure 7-28 Disconnecting the Hard Drive Cables 7. Remove the four screws that secure the hard disk drive to the hard drive cage (1), then slide the hard disk drive out of the hard drive cage (2). Figure 7-29 Removing the Hard Drive - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 84
standard screws that secure the hard disk drive to the hard drive cage (2). Make sure the hard disk drive cables are facing the top of the drive cage. NOTE: If you are replacing an old drive with a new drive, use the four retainer screws from the old drive to install the new drive. NOTE: If you are - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 85
3. Connect the power cable (1) and data cable (2) to the back of the hard drive. Figure 7-31 Connecting the Hard Drive Cables CAUTION: Never crease or bend a SATA data cable tighter than a 30 mm (1.18 in) radius. A sharp bend can break the internal wires. 4. Place the hard drive cage into the - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 86
Reconnect the power cord and any external devices, then turn on the computer. 9. Lock any security devices that were disengaged when the access panel was removed. NOTE: If you are replacing the primary hard drive, use the Recovery Disc Set to restore the operating system, software drivers, and any - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 87
2. Remove the access panel (Access Panel on page 48) 3. Lay the computer on its side with the front facing toward you. 4. Remove the front the housing up (2), and then pull the assembly away from the chassis while guiding the cables through the hole in the chassis. To install the housing assembly, - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 88
, rotate the switch to the left (2), and then pull it to the right and away from the chassis while guiding the wires through the hole in the chassis. To install the power switch/LED assembly, reverse the removal procedures. 78 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 89
47). 2. Remove the access panel (Access Panel on page 48). 3. Lay the computer on its side with the front facing toward you. 4. Remove the front bezel of the chassis while threading the cable through hard drive cage bracket. To install the speaker, reverse the removal procedure. Be sure to route - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 90
on page 47). 2. Remove the access panel (Access Panel on page 48). 3. Lay the computer on its side with the rear facing toward you. 4. Disconnect the cable that connects the system the fan, reverse the removal procedures. 80 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 91
Panel on page 48). 3. Lay the computer on its side with the rear facing toward you. 4. Disconnect the heatsink fan control cable from the system board. 5. Loosen the four captive screws that secure the heatsink to the system board. 6. Lift the heatsink from the processor and set it on its side to - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 92
the heatsink with the alcohol pad provided in the spares kit. 4. Apply the thermal grease provided in the spares kit to the top of the processor and install the heatsink atop the processor. 82 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 93
After installing a new processor onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system ROM BIOS can be found on the Web at: http:///\h18000.www1.hp.com/support/files. Power Supply WARNING! Voltage is always - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 94
power supply out of the computer. To install the power supply, reverse the removal procedure. System Board When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ● Memory modules ● Processor - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 95
version of the BIOS is being used on the computer. The latest system ROM BIOS can be found at: http:///\h18000.www1.hp.com/support/files. Battery The battery that comes with your computer provides power to the real-time clock and has a lifetime of about three years. When replacing the battery, use - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 96
position. 4. Replace the computer access panel. 5. Plug in the computer and turn on power to the computer. 6. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. Type 2 Battery Holder 1. To release the battery - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 97
other edge of the battery. 3. Replace the computer access panel. 4. Plug in the computer and turn on power to the computer. 5. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. Type 3 Battery Holder 1. Pull - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 98
Utility Guide. Installing a Security Lock The security locks displayed below and on the following pages can be used to secure the computer. Cable Lock Figure 7-34 Installing a Cable Lock Padlock Figure 7-35 Installing a Padlock 88 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 99
HP Business PC Security Lock 1. Fasten the security cable by looping it around a stationary object. Figure 7-36 Securing the Cable to a Fixed Object 2. Thread the keyboard and mouse cables through the lock. Figure 7-37 Threading the Keyboard and Mouse Cables Installing a Security Lock 89 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 100
push the button in (2) to engage the lock. Use the key provided to disengage the lock. Figure 7-39 Engaging the Lock 90 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 101
8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis 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 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 102
computer chassis (2). 4. Slide the access panel back about 1.3 cm (1/2 inch), then lift it away from and off the unit (3). Figure 8-1 Removing the Power Cord and Access Panel To install the access panel, reverse the removal procedure. 92 Chapter 8 Removal and Replacement Procedures Small Form Factor - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 103
Front Bezel 1. Prepare the computer for disassembly (Preparation for Disassembly on page 91). 2. Remove the access panel (Access Panel on page 92). 3. To remove the front bezel, pull up on each of the three tabs on the top of the bezel (1) to release them, then rotate the bezel down and off the - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 104
Bezel Blanks 1. Prepare the computer for disassembly (Preparation for Disassembly on page 91). 2. Remove the access panel (Access Panel on page the bezel blank inwards to remove it (2). Figure 8-3 Removing a Bezel Blank 94 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 105
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. ● Keep cables clear of movable or rotating parts like the power supply and drive cage to prevent them from being cut or crimped when the - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 106
Red White Black Description Front LED/Power cable Speaker cable Diskette drive Front audio cable Front I/O USB cable Primary hard drive data cable Optical drive data cable Heatsink fan cable Media card reader cable 96 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 107
reader shown) 2 3.5-inch internal hard drive bay 3 5.25-inch external drive bay for optional drive (optical drive shown) To verify the type, size, and capacity of the storage devices installed in the computer, run Computer Setup. Refer to the Computer Setup (F10) Utility Guide for more information - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 108
drives use 6-32 standard screws. All other drives use M3 metric screws. The HPsupplied M3 metric guide screws (1) are black. The HP-supplied 6-32 standard screws (2) are silver. Figure 8-5 Extra Drive Retainer Screws Location 98 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 109
the computer is on or in standby mode. Before handling a drive, ensure that you are discharged of static electricity. While handling a drive, avoid touching the connector. Handle a drive carefully; do not drop it. Do not use excessive force when inserting a drive. Avoid exposing a hard drive to - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 110
No. System Board Connector System Board Label 1 Media Card Reader F_USB2 2 SATA4 SATA4 3 SATA5 SATA5 4 SATA1 SATA1 5 SATA0 SATA0 6 Diskette Drive FLOPPY Color black red black white dark blue black 100 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 111
a drive before removing the drive from the computer. To remove an optical drive: 1. Prepare the computer for disassembly (Preparation for Disassembly on page 91). 2. Remove the access panel (Access Panel on page 92). 3. Remove the front bezel (Front Bezel on page 93). 4. Disconnect the power cable - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 112
bay (1) then slide the drive forward and out of the bay (2). Figure 8-9 Removing a 5.25" External Drive NOTE: To install an optical drive, refer to Installing an Optical Drive into the 5.25-inch Drive Bay on page 103. 102 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 113
the left side of the drive. Figure 8-10 Installing the Guide Screw in the Optical Drive 6. Rotate the drive cage all the way up. Figure 8-11 Rotating the Drive Cage Up 7. Align the guide screw on the drive with the slot on the chassis. Slide the optical drive into the drive bay until the two screw - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 114
Drive 9. Push in the latch holding the drive cage upright (1) and lower the drive cage all the way down (2). Figure 8-13 Lowering the Drive Cage 10. Connect the SATA data cable to the red system board connector labeled SATA4. 104 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 115
cable (1) and data cable (2) to the rear of the optical drive. Figure 8-14 Connecting the Power and Data Cables 12. Replace the front bezel and access panel. 13. Reconnect the power cord and turn on the computer. 14. Lock any security devices that were disengaged when the access panel was removed - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 116
back of the drive. Figure 8-15 Disconnecting the Diskette Drive Cables b. If you are removing a media card reader, disconnect the USB cable from the system board. Figure 8-16 Disconnecting the Media Card Reader Cable 106 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 117
the two retainer screws that secure the drive to the bay (1) then slide the drive forward and out of the bay (2). Figure 8-18 Removing a 3.5" Device (Media Card Reader Shown) NOTE: To install an external 3.5-inch drive, refer to Installing a Drive into the 3.5-inch External Drive Bay on page 108 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 118
plate. 6. If the new drive has screws installed on the sides of the drive, remove them before inserting the drive into the chassis. 7. Rotate the drive cage all the way up. Figure 8-19 Rotating the Drive Cage Up 108 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 119
a 3.5-inch Device (Media Card Reader Shown) NOTE: The drive cage screw holes for each type of drive are labeled "CR" for media card reader or "FDD" for diskette drive. Extra retainer screws are provided on the front of the chassis under the hard drive cage. The M3 metric retainer screws for diskette - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 120
system board drive connectors. 11. Replace the front bezel and access panel. 12. Reconnect the power cord and turn on the computer. 13. Lock any security devices that were disengaged when the access panel was removed. 110 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 121
the new hard drive. Also, if you are replacing the primary hard drive, make sure you have created a Recovery Disc Set to restore the operating system, software drivers, and any software applications that were preinstalled on the computer. If you do not have this CD set, select Start > HP Backup and - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 122
bay (1) then slide the drive back and out of the bay (2). Figure 8-24 Removing an Internal Hard Drive NOTE: To install an internal 3.5-inch hard drive, refer to Installing an Internal 3.5-inch Hard Drive on page 113. 112 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 123
side of the drive. NOTE: When replacing a hard drive, remove the guide screws from the old drive for use with the new drive. Figure 8-25 Installing the Guide Screw in the Hard Drive 3. Align the guide screw on the drive with the slot on the chassis. Slide the hard drive into the drive bay from the - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 124
panel was removed. NOTE: If you are replacing the primary hard drive, use the Recovery Disc Set to restore the operating system, software drivers, and any software applications that were preinstalled on the computer. 114 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 125
achieve the maximum memory support, you can populate the system board with up to 8-GB of memory configured in a highperforming dual channel mode. mandatory JEDEC SPD information In addition, the computer supports: ● 512Mbit, 1Gbit, and 2Gbit non-ECC memory technologies ● single-sided and double-sided - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 126
in dual channel mode. ● The system will operate in flex mode if the total memory capacity of the DIMMs in Channel A is not equal to the total memory capacity of the DIMMs in Channel B. In flex mode, the channel populated 116 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 127
With this configuration, 2-GB will run as dual channel and 512-MB will run as single power cord and wait approximately 30 seconds for the power to drain before adding or removing memory modules. Regardless of the power-on state, voltage is always supplied to the memory modules as long as the computer - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 128
must be pushed all the way down into the socket and sit evenly in the socket to avoid memory corruption. Make sure the latches are in the closed position (3). 7. Repeat steps 5 and 6 to install any additional modules. 118 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 129
down (2). Figure 8-32 Lowering the Drive Cage 9. Replace the computer access panel. 10. Reconnect the power cord and any external devices, then turn on the computer. The computer should automatically recognize the additional memory when you turn on the computer. 11. Lock any security devices that - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 130
x8, or x16 expansion card in the PCI Express x16 expansion slot. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 91). 2. Remove the access panel (Access the back of the computer chassis. 120 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 131
4. On the rear panel of the computer, lift the slot cover latch (1) and rotate slot cover up and away from the slots (2). Figure 8-34 Releasing the Slot Cover Lock 5. Before installing an expansion card, remove the expansion slot cover or the existing expansion card. NOTE: Before removing an - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 132
the connectors pull free from the socket free from the socket. Be sure not to scrape the card against the other components. Figure 8-37 Removing a PCI Express x16 Expansion Card 6. Store the removed card in anti-static packaging. 122 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 133
close the open slot. CAUTION: After removing an expansion card, you must replace it with a new card or expansion slot cover for proper cooling of internal 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 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 134
Replace the computer access panel. 12. Reconnect the power cord and any external devices, then turn on the computer computer, if necessary. Refer to the Computer Setup (F10) Utility Guide for instructions on using Computer Setup. 124 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 135
these fasteners to gain access to the wires for several computer components. See the following illustration for proper routing of wires. To until the ends come apart. 6. To open the fastener mounted under the hard drive (3), pull the latch on the right side of the fastener directly downward. - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 136
hole in the chassis and remove the assembly. NOTE: If necessary, rotate the drive cage back up to better access the hole you thread the cables through. To install the front I/O device, reverse the removal procedures. 126 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 137
Switch Assembly 1. Prepare the computer for disassembly (Preparation for Disassembly on page 91). 2. Remove the access panel (Access Panel on page 92). 3. Remove the front bezel (Front Bezel on page 93). 4. Rotate the drive cage to its upright position. 5. Disconnect the power switch wires from the - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 138
Remove the screw that secures the speaker to the inside of the chassis (1), slide the speaker away from the power switch (2), and then remove it from the chassis. To install the speaker, reverse the removal procedures. 128 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 139
computer for disassembly (Preparation for Disassembly on page 91). 2. Remove the access panel (Access Panel on page 92). 3. Unplug the fan wire from the white system board connector labeled CPU to them may require replacing the system board. 5. Lift the heatsink from atop the processor and set it on - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 140
Processor 1. Prepare the computer for processor from the syringe supplied in the spares kit. 4. Apply the thermal grease provided in the spares kit to the top of the processor and install the heatsink atop the processor. 130 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 141
replacing the system board. NOTE: After installing a new processor onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at: http://h18000.www1.hp.com/support/files. Power Supply - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 142
). 6. Remove all memory modules (Memory on page 115). 7. Disconnect all data and power cables from the system board. 8. Remove the heatsink (Heatsink on page 129). 9. Remove the power supply (Power Supply on page 131). 132 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 143
thermal grease to the top of the processor from the syringe supplied in the spares kit. CAUTION: When reconnecting the cables it is important that they be positioned so they do not interfere with the rotation of the drive cage or power supply. NOTE: When replacing the system board, you must also - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 144
the cable bundle out of the way to access the battery. 5. Depending on the type of battery holder on your system board, complete the following instructions to replace the battery: 134 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 145
position. 4. Replace the computer access panel. 5. Plug in the computer and turn on power to the computer. 6. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. Type 2 Battery Holder 1. To release the battery - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 146
computer access panel. 4. Plug in the computer and turn on power to the computer. 5. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. 136 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 147
Installing a Security Lock The security locks displayed below and on the following page can be used to secure the computer. Cable Lock Figure 8-40 Installing a Cable Lock Padlock Figure 8-41 Installing a Padlock Installing a Security Lock 137 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 148
Cable to a Fixed Object 2. Thread the keyboard and mouse cables through the lock. Figure 8-43 Threading the Keyboard and Mouse Cables 138 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 149
3. Remove the left screw that secures the computer access panel to the chassis and screw the lock to the chassis using the screw provided. Figure 8-44 Attaching the Lock to the Chassis 4. Insert - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 150
A 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 Pin Signal 1 Data 2 Unused 3 Ground 4 +5 VDC 5 Clock 6 Unused - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 151
USB Connector and Icon Microphone Connector and Icon (1/8" miniphone) 1 23 Headphone Connector and Icon (1/8" miniphone) 1 23 Line-in Audio Connector and Icon (1/8" miniphone) 1 23 Line-out Audio Connector and Icon (1/8" miniphone) 1 23 Pin Signal 1 +5 VDC 2 - Data 3 + Data 4 Ground Pin 1 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 152
Monitor Connector and Icon Pin Signal 1 Red Analog 2 Green Analog 3 Blue Analog 4 Not used 5 Ground 6 Ground 7 Ground 8 Ground Pin Signal 9 +5V (fused) 10 Ground 11 Not used 12 DDC Serial Data 13 Horizontal Sync 14 Vertical Sync 15 DDC Serial Clock 24-Pin Power - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 153
PCI Express x1, x4, x8, and x16 PCI Express Connector Pin A Pin Signal Pin Signal 1 PRSNT1 6 JTAG3 2 +12V 7 JTAG4 3 +12V 8 JTAG5 4 GND 9 +3.3V 5 JTAG2 10 +3.3V 26 PERn(2) 31 GND 27 GND 32 RSVD 28 GND 33 RSVD 29 PERp3 34 GND 30 PERn3 35 PERp4 51 GND 56 PERp9 52 PERp8 57 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 154
PCI Express x1, x4, x8, and x16 PCI Express Connector Pin B Pin Signal Pin Signal 1 +12V 6 SMDAT 2 +12V 7 GND 3 RSVD 8 +3.3 V 4 GND 9 JTAG1 5 SMCLK 10 3.3vAux 26 GND 31 PRSNT2# 27 PETp3 32 GND 28 PETn3 33 PETp4 29 GND 34 PETn4 30 RSVD 35 GND 51 PETn8 56 GND 52 GND 57 GND - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 155
Data1+ 11 T.M.D.S. Data1/3 Shield 12 T.M.D.S. Data3- SPDIF Connector and Icon Pin Signal 1 GND 2 GND 3 +12V CPU 4 -12V CPU Pin Signal 13 T.M.D.S. Data3+ 14 +5V Power 15 Ground (for +5V) 16 Hot Pug Detect 17 T.M.D.S. Data0- 18 T.M.D.S. Data0+ 19 T.M.D.S. Data0/5 Shield - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 156
B 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 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 157
Requirements Additional requirements specific to a country are shown in parentheses and explained below. Country VDE 1. The flexible cord must be Type HO5VV-F, 3-conductor, 0.75mm2 conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 158
to isolate the exact problem before calling for technical support. ● Run the HP diagnostic tool. ● Run the hard drive self-test in Computer Setup. Refer to the Computer Setup (F10) Utility Guide for more information. ● Listen for beeps from the computer. The beeps are error codes that will help you - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 159
on the hard drive. Be sure to back up all data files before running the restore process. 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 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 160
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 168 for instructions. ● Be sure that all the needed device drivers have been installed. For - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 161
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 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 162
the processor heatsink is installed properly. Transfer data from the hard drive to create more space on the hard drive. Low on memory. Hard drive fragmented. Program previously accessed did not release reserved memory back to the system. Add more memory. Defragment hard drive. Restart the computer - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 163
the power supply on some models, is set to the appropriate voltage. Proper voltage setting depends on your region. 2. Remove the expansion cards one at a time and see if the system powers on. 3. Replace the system board. OR Press and hold the power button for less than 4 seconds. If the hard drive - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 164
not switched to correct line voltage (115V or 230V). Power supply will not turn on because of internal power supply Contact an authorized service provider to replace the power fault. supply. Computer powered off automatically. Cause Processor thermal protection activated: A fan may be blocked or - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 165
the computer when you add or remove hardware, such as an additional diskette drive. See Solving Hardware Installation Problems on page 168 for instructions. Table C-3 Solving Diskette Problems Diskette drive light stays on. Cause Solution Diskette is damaged. In Microsoft Windows XP, right - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 166
inserted in the drive. Spacebar. The computer should start up. Diskette error has occurred. Restart the computer by pressing the power button. Cannot Boot to Diskette. Cause Diskette is not bootable. Diskette boot has been disabled in Computer Setup. Solution Replace with a bootable diskette - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 167
Setup utility and ensure SATA1 in Computer Setup. Controller is Enabled in the Advanced menu. Nonsystem disk/NTLDR missing message. Cause Solution The system is trying to start from a diskette that is not bootable. Remove the diskette from the diskette drive. Solving Hard Drive Problems 157 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 168
Hard Drive Problems (continued) Nonsystem disk/NTLDR missing message. Cause Solution The system is trying to start from the hard drive but the hard 1. Insert a bootable diskette into the diskette drive and drive may have been damaged. restart the computer. 2. Check the hard drive format - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 169
memory (ROM) card. Check the manufacturer's supported. on the correct side. The green LED will light if inserted properly. Do not know how to remove a media card correctly. Cause The computer's software is used to safely eject the card. Solution Open My Computer (Windows XP) or Computer (Windows - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 170
data. Monitor cable is plugged into the wrong connector. If the computer system has both an integrated graphics connector and an add-in graphics card connector, plug the monitor cable into the graphics card connector on the back of the computer. 160 Appendix C Troubleshooting Without Diagnostics - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 171
) Blank screen (no video). Cause Solution Monitor settings in the computer are not compatible with the 1. In Windows XP Control Panel, double-click the Display monitor. icon and select the Settings tab. In Windows Vista Control Panel, under Appearance and Personalization, select Adjust - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 172
Solution If the graphics controller was upgraded, the correct graphics Install the video drivers included in the upgrade kit. drivers may not be loaded. Monitor is not capable of displaying requested resolution. Change requested resolution. Graphics card is bad. Replace the graphics card. The - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 173
that the computer power is off while connecting the video cable. "Out of Range" displays on screen. Cause Solution Video resolution and refresh rate are set higher than what the Restart the computer and enter Safe Mode. Change the monitor supports. settings to a supported setting then restart - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 174
Solving Audio Problems Sound cuts in and out. Cause Solution Processor resources are being used by other open applications. Direct sound latency, common in many media player applications. Shut down all open processor-intensive applications. In Windows XP only: 1. From the Control Panel, select - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 175
output connector is for powered audio devices front of the computer. and is not designed for headphone use. Computer appears to be locked up while recording audio. Cause Solution The hard disk may be full. Before recording, make sure there is enough free space on the hard disk. You can also - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 176
following table. Table C-9 Solving Keyboard Problems Keyboard commands and typing are not recognized by the computer. Cause Solution Keyboard connector is not properly connected. 1. On the Windows XP Desktop, click Start > Shut Down. On the Windows Vista Desktop, click Start, click the arrow - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 177
the computer. Shut down the computer using the keyboard. 1. Press the Ctrl and Esc keys at the same time (or press the Windows logo key) to display the Worldwide Limited Warranty for terms and conditions. Computer is in standby mode. Press the power button to resume from standby mode. CAUTION: - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 178
-plug and play device, you must reconfigure the computer after completing installation of the new hardware. In Windows, use the Add Hardware Wizard and follow the instructions that appear on the screen. WARNING! When the computer is plugged into an AC power source, voltage is always applied to the - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 179
installed. 2. Listen for beeps from the computer. Beeps are codes for specific problems. 3. If you still cannot resolve the issue, contact Customer Support. The computer emits one short beep then one long beep followed by a three second pause. Cause Solution Memory is installed incorrectly or - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 180
enable Wake-on-LAN in Windows XP: 1. Select Start > Control Panel. 2. Double-click Network Connections. 3. Double-click Local Area Connection. 4. Click Properties. 5. Click Configure. 6. Click the Power Management tab, then select the check box to Allow this device to bring the computer out of - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 181
the network controller. Network controller stops working without apparent cause. Cause Solution The files containing the network drivers are corrupted. Reinstall the network drivers, using the Recovery Disc Set created from the hard drive's Recovery Partition. Solving Network Problems 171 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 182
Unprogrammed EEPROM. Solution Contact an authorized service provider. Solving Memory Problems If you encounter memory problems, some common causes and solutions are listed in the following table. CAUTION: Power may still be supplied to the DIMMs when the computer is turned off. To avoid damage - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 183
or is bad. 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Solving CD-ROM and DVD Problems If you encounter CD-ROM or DVD problems, see the common causes and solutions - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 184
cause is a hardware problem. The device is attached to a SATA port that has been disabled Run the Computer Setup utility and ensure SATA1 in Computer Setup. Controller is Enabled in the Advanced menu. CD-ROM or DVD devices are not detected or driver is not loaded. Cause Solution Drive is not - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 185
. CD or DVD disc is dirty. Clean CD or DVD with a CD cleaning kit, available from most computer stores. Windows does not detect the CD-ROM or DVD-ROM drive. 1. Use Device Manager to remove or uninstall the device. 2. Restart the computer and let Windows detect the CD or DVD driver. Recording - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 186
AC power, be sure one end is connected to the device and one end is connected to a live outlet. 1. Install the correct driver for the device. 2. You might need to reboot the computer. 1. If possible, replace the cable. 2. Restart the computer. 176 Appendix C Troubleshooting Without Diagnostics - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 187
. (A "cookie" is a small piece of information that a Web server can store temporarily with the Web browser. This is useful for having the browser remember some specific information that the Web server can later retrieve.) Windows Vista 1. Select Start > Control Panel. 2. Click Network and Internet - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 188
Internet Access Problems (continued) Unable to connect to the Internet. Cause Solution Windows XP 1. Select Start > Control Panel. download Web sites. Cause Modem is not set up properly. Solution Verify that the modem is connected and communicating properly. Windows XP 1. Select Start > Control - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 189
for terms and conditions. Computer will not continue after HP logo screen has appeared. Cause Solution System files may be damaged. Use recovery diskette to scan hard drive for errors. "Illegal Operation has Occurred" error message is displayed. Cause Solution Software being used is not - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 190
, replace the system board. 3 short beeps and 1 long beep followed by a three second pause CPU configuration error or invalid CPU 1. detected before graphics card initialized. 2. Upgrade the BIOS to proper version. Change the processor. 1 short beep followed by a one No legacy floppy drive or - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 191
system. The IPSM can be downloaded from http://www.hp.com/ support. 5. Remove the jumper from pins 3 and 5. Place the jumper on pins 1 and 3. 6. Replace the computer cover or access panel. 7. Reconnect the external equipment. 8. Plug in the computer and turn on power. Allow the operating system to - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 192
. 8. Reconnect the external devices. 9. Plug in the computer and turn on power. NOTE: Use Computer Setup to reset any special system setups along with the date and time. For instructions on Computer Setup, see the Computer Setup (F10) Utility Guide. 182 Appendix C Troubleshooting Without Diagnostics - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 193
http://www.hp.com. NOTE: If you take the computer to an authorized reseller, dealer, or service provider for service, remember to provide the Supervisor and User passwords if they are set. Refer to the number listed in the warranty or in the Support Telephone Numbers guide for technical assistance - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 194
D Specifications Minitower Table D-1 Specifications Desktop Dimensions Height 15.14 in Max rate of change = 10° C/Hr. Upper limit may be limited by type and number of options installed. Heat Dissipation Maximum 1575 BTU/hr 397 kg-cal/hr Typical (idle) 307 BTU/hr 77 kg-cal/hr Power Supply - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 195
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. Small Form Factor Table D-2 Specifications Desktop - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 196
92 access to computer, controlling 30 Altiris AClient 16 Client Management Suite 21 Deployment Solution Agent 16 asset tracking 30 audio problems 164 B Backup and Recovery Manager 21 battery disposal 45 MT removal and replacement 85 SFF removal and replacement 134 beeps, error codes 180 bezel blanks - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 197
56, 121 replacing 58, 123 F fan MT removal and replacement 80 power supply 43 Fault Notification and Recovery 34 flash drive problems 175 front bezel MT removal and replacement 49 SFF removal and replacement 93 front I/O device MT removal and replacement 77 SFF removal and replacement 126 front - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 198
164 CD-ROM or DVD 173 diskette 155 flash drive 175 front panel 176 general 151 hard drive 157 hardware installation 168 Internet access 177 keyboard 166 Media Card Reader 159 memory 172 monitor 160 mouse 166 network 170 power 154 printer 165 software 179 processor MT removal and replacement 82 SFF - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 199
speaker MT removal and replacement 79 SFF removal and replacement 128 specifications memory 51, 115 minitower 184 small form factor 185 static electricity 38 Subscriber's Choice 22 Supervisor password changing 32 deleting 33 setting 31 supervisor password entering 32 surge-tolerant power supply 34 - HP Dx7500 | Service Reference Guide: HP Compaq dx7500 Business PC - Page 200
SATA connectors 35 SFF removal and replacement 132 system board drive connections 64, 100 System Software Manager 18 T temperature control 41 temperature, internal computer 34 thermal sensor 34 tools, servicing 43 Torx T15 screwdriver 43 U USB flash media device, bootable 26, 27 USB pin assignments
Service Reference Guide
HP Compaq dx7500 Business PC