Compaq dx2710 service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF
Compaq dx2710 - Microtower PC Manual
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- Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 1
service reference guide HP Compaq dx2710 MT/dx2718 MT/dx2710 SFF Business PCs 1st Edition This document provides information on the removal and replacement of all parts as well as information on troubleshooting, Desktop Management, setup utilities, SATA drives, safety, routine care, connector pin - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 2
Service Reference Guide HP Compaq dx2710 MT/dx2718 MT/dx2710 SFF Business PCs 1st Edition Document Part Number: 483941-001 February 2008 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 3
of life. Ä CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information. Service Reference Guide HP Compaq dx2710 MT/dx2718 MT/dx2710 SFF Business PCs First Edition (February 2008) Document Part Number: 483941-001 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 4
Upgrading Device Drivers (Only Computer Setup Utilities 2-2 2.2.1 Using Computer Setup (F10) Utilities 2-2 2.2.2 Computer Setup Menu 2-4 2.3 Recovering the Configuration Settings 2-11 2.3.1 Backing up the CMOS 2-11 2.3.2 Restoring the CMOS 2-11 3 Desktop Service Reference Guide 483941-001 iii - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 5
Microtower (MT)/ Small Form Factor (SFF) Chassis 6.1 Preparation for Disassembly 6-1 6.2 Remove the computer access panel and front bezel (MT chassis and SFF chassis 6-2 6.2.1 Access Panel (MT Chassis 6-2 6.2.2 Front Bezel (MT Chassis 6-3 6.2.3 Removing the Computer -001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 6
- MT chassis 6-30 6.12 Processor 6-31 6.13 System Board 6-33 6.14 Battery 6-34 6.14.1 Battery Holder 6-35 6.15 Power Supply 6-36 A Connector Pin Assignments B Power Cord Set Requirements C POST Error Messages D Troubleshooting Without Diagnostics E Memory Service Reference Guide 483941 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 7
for the device you are installing. The I386 directory and its subdirectories provide the HP- or Compaq-specific integration of the operating system for the computer model and include device drivers supported by the operating system. When prompted for the I386 directory on the operating system - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 8
obtain the latest version of these files, in English and selected other languages, in one of these ways: ■ HP web site at www.hp.com ■ Restore Plus! CD, which is supplied with many Compaq models ✎ Additional HP software may be required in certain situations. 1-2 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 9
diagnostic features provide information needed about the computer system when contacting Customer Support. These tools can also be used All features identified in this chapter may not be available on all HP products. 2.1 Power-On Self-Test (POST) POST is a Service Reference Guide 483941-001 2-1 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 10
which allows the computer to boot the Computer Setup supported supported by the drive). 2.2.1 Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning on the computer or restarting the system. To access the Computer time, you must turn the computer off, then on again, - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 11
after resetting the defaults. Ä CAUTION: Do NOT turn the computer power OFF while the ROM is saving your F10 Computer Setup changes because the CMOS could become corrupted. It is safe to turn off all power to the computer after you exit the F10 Setup screen. Service Reference Guide 483941-001 2-3 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 12
Time Floppy Drive A Allows you to set system date. Allows you to set system time. Allows you to set Drive A to None or 1.44M, 3.5 inch. ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2-4 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 13
• Capacity • Cylinder • Head • Precomp • Landing Zone • Sector Legacy Mode Support (for SATA 0/1 ONLY) Disable Enable Halt On Allows you to set at: • 20 Sec ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide 483941-001 2-5 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 14
-Threading technology. This item will show when the CPU supports Hyper-Threading technology. System Keyboard Allows you to set system entering Computer Setup. ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2-6 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 15
• MAX. Disable MCHBAR MMIO Disable/ enable this feature Init Display First (VGA Setting) Allows you to set system display priority: • PCI Slot • Onboard ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide 483941-001 2-7 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 16
Mode Use DMA If Parallel Port Mode is set to ECP or ECP+EPP, allows you to set the ECP Mode Use DMA to 1 or 3. ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2-8 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 17
) when you exit Setup, if you have installed a new add-on and the system reconfiguration has caused such a serious conflict that the OS cannot boot. ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide 483941-001 2-9 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 18
to When resources are controlled manually, allows you to assign Computer Setup. Exit Without Saving Allows you to exit Computer Setup without saving changes. ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2-10 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 19
utility firmware can be found at http://www.hp.com under the Software & Driver Downloads for your specific model. Download the firmware files into a folder on a removable storage device. It is recommended that you save any modified computer configuration settings to a diskette, a USB flash media - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 20
3 Desktop Management ✎ Support for specific features described in this guide may vary by model or software version. 3.1 Initial Configuration and Deployment HP computers come with a preinstalled system software image. After a brief software "unbundling" process, the computer is ready to be used. - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 21
for four seconds. Ä CAUTION: Do not use the power button to turn off the computer unless the system is not responding; turning off the power without operating system interaction could Properties, right click on the Windows Desktop, then choose Properties. 3-2 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 22
of Microsoft Windows that is different from the version included with your computer, you must install corresponding device drivers and utilities to ensure that all features are supported and functioning properly. HP has made the task of locating, accessing, evaluating, and installing the latest - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 23
3. Select Set User Password and follow the instructions on the screen. 4. Before exiting, click computer. If you are in Windows, click Start > Shut Down > Restart. To change the setup password, run Computer Setup. 2. To change the user password, go to step 3. 3-4 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 24
Delimiter Characters" for information about the alternate delimiter characters. The power-on password and setup password may also be changed using the Security options in Computer Setup. Service Reference Guide 483941-001 3-5 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 25
power supply provides greater reliability when the computer is hit with an unpredictable power surge. This power supply is rated to withstand a power surge of up to 410 volts within minimum 1 seconds without incurring any system downtime or data loss. 3-6 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 26
Guidelines and Features ✎ Serial ATA = SATA HP does not support the use of a PATA (IDE) hard drive / optical drive on these models of computer. 4.1 SATA 3.0 Hard Drives Serial ATA cable to the system board always connect the primary hard drive to SATA 0. Service Reference Guide 483941-001 4-1 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 27
ATA Drive Guidelines and Features 4.2 SATA Hard Drive Cables 4.2.1 SATA Data Cable Always use an HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s P13 V 12 12 V power P14 V12 12 V power P15 V12 12 V power 4-2 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 28
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 - SATA 3 is accessible as Device 1 of SATA controller's Secondary Channel Service Reference Guide 483941-001 4-3 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 29
voltage is always applied to the system board. You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage. 5.1 Chassis Designations 5.1.1 Microtower (MT)/Small Form Factor (SFF) dx2710 MT Service Reference Guide 483941-001 5-1 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 30
Identifying the Chassis, Routine Care, and Disassembly Preparation dx2718 MT dx2710SFF Note: dx2718 MT is only for China Market. 5-2 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 31
touching a sensitive component or assembly. ■ Avoid contact with pins, leads, or circuitry. ■ Place reusable electrostatic-sensitive parts from assemblies in protective packaging or conductive foam. Service Reference Guide 483941-001 5-3 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 32
nonconductive materials such as ordinary plastic assembly aids and Styrofoam. ■ Use field service tools, such as cutters, screwdrivers, and vacuums, that are conductive. 5.2.5 -dissipative table or floor mats with hard tie to ground ■ Field service kits 5-4 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 33
Safety Precautions 1. Never use solvents or flammable solutions to clean the computer. 2. Never immerse any parts in water or cleaning solutions; clean the air vents on the computer. Lint and other foreign matter can block the vents and limit the airflow. Service Reference Guide 483941-001 5-5 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 34
or the keyboard body, follow the procedures described in Section 5.3.2, "Cleaning the Computer Case." When cleaning debris from under the keys, review all rules in Section the mouse body, follow the procedures in Section 5.3.2, "Cleaning the Computer Case." 5-6 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 35
that you should keep in mind during the disassembly and assembly of the computer. 5.4.1 Tools and Software Requirements To service the computer, you need the following: ■ Torx T-15 screwdriver (Compaq screwdriver with bits, PN 161946-001) ■ Torx T-15 screwdriver with small diameter shank - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 36
snagged by parts being removed or replaced. Ä CAUTION: When servicing this computer, ensure that cables are placed in their proper location during the chassis you are working on in this guide for instructions on the replacement procedures. Å WARNING: This computer contains a lithium battery. There is - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 37
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. ✎ Not all features listed in this guide are available on all computers. 6.1 Preparation for Disassembly See Chapter - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 38
Removal and Replacement Procedures- Microtower (MT)/Small Form Factor (SFF) Chassis 6.2 Remove the computer access panel and front bezel (MT chassis and SFF chassis) 6.2.1 Access Panel (MT Chassis) 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). Ä CAUTION: - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 39
Microtower (MT)/Small Form Factor (SFF) Chassis 6.2.2 Front Bezel (MT Chassis) 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel (Section 6.2.1, "Access Panel (MT models and countries only. Service Reference Guide 483941-001 6-3 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 40
Removal and Replacement Procedures- Microtower (MT)/Small Form Factor (SFF) Chassis 6.2.3 Removing the Computer Access Panel and Front Bezel (SFF chassis) To remove the computer access panel: 1. Turn off the computer properly through the operating system, then turn off any external devices. 2. - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 41
Microtower (MT)/Small Form Factor (SFF) Chassis 4. To remove the front bezel, gently pull up all three tabs 1 on the top of the bezel, then pull the bezel 2 away from the chassis. Removing the Front Bezel To reassemble the computer top of the bezel in place. Service Reference Guide 483941-001 6-5 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 42
- Microtower (MT)/Small Form Factor (SFF) Chassis 6.3 Using the Small Form Factor Computer in a Minitower Configuration The Small Form Factor computer can be used in either a minitower or desktop configuration. To use it in the minitower configuration, you must purchase a tower stand from HP - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 43
Microtower (MT)/Small Form Factor (SFF) Chassis 6.4 Front Drive Bezels 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel and the front bezel - MT (Section 6.2.1, "Access Panel (MT into place. Service Reference Guide 483941-001 6-7 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 44
Microtower (MT)/Small Form Factor (SFF) Chassis 6.5 Memory For more information on the memory in this series of computers, refer to Appendix E, "Memory." 6.5.1 Installing Memory Modules/MT chassis the modules following the numerical order of the sockets. 6-8 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 45
Removal and Replacement Procedures- Microtower (MT)/Small Form Factor (SFF) of the contacts. Doing so may damage the module. 1. Turn off the computer properly through the operating system, then turn off any external devices. 2. Disconnect the Access Drive Bay Service Reference Guide 483941-001 6-9 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 46
Removal and Replacement Procedures- Microtower (MT)/Small Form Factor (SFF) populating all four DIMM sockets, use identical DIMMs in each socket. Otherwise, the computer will not operate in dual channel mode. For maximum performance, populate the sockets 6-10 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 47
Microtower (MT)/Small Form Factor (SFF) Chassis 6.6 Expansion Cards 6.6.1 Expansion Slot Cover Lock 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the right access panel (Section 6.2, "Remove the computer 10. Service Reference Guide 483941-001 6-11 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 48
Microtower (MT)/Small Form Factor (SFF) Chassis To install an expansion card in an empty slot continue with step 9. 9. With the card aligned so the mounting bracket will fit firmly against the computer card, if needed. Reconfigure the computer, if necessary. 6-12 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 49
Removal and Replacement Procedures- Microtower (MT)/Small Form Factor (SFF) Chassis 6.6.3 Installing an Expansion Card The computer has four PCI expansion slots. Each slot can accommodate a half-height of the chassis. Removing the Expansion Slot Cover Service Reference Guide 483941-001 6-13 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 50
Removal and Replacement Procedures- Microtower (MT)/Small Form Factor (SFF) Chassis 7. Hold the card just above the expansion slot on the system board metal slot cover or a piece of duct tape) for proper cooling of internal components during operation.) 6-14 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 51
Microtower (MT)/Small Form Factor (SFF) Chassis 6.6.4 Removing an Expansion Card To remove an expansion card: 1. Turn off the computer the computer must contain either an expansion card or slot cover for proper cooling of internal components during operation. Service Reference Guide 483941-001 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 52
Removal and Replacement Procedures- Microtower (MT)/Small Form Factor (SFF) Chassis 6.7 Cable Management Always follow good cable management practices when working inside the computer. ■ Keep cables away from major cable and result in a failed power supply. 6-16 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 53
- Microtower (MT)/Small Form Factor (SFF) Chassis 6.8 Drives The computer supports up to four 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 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 54
Removal and Replacement Procedures- Microtower (MT)/Small Form Factor (SFF) Chassis Item is available as option. 6.8.2 Removing a Drive 1. Turn off the computer properly through the operating system and turn off any external devices. Disconnect the Drives 6-18 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 55
Removal and Replacement Procedures- Microtower (MT)/Small Form Factor (SFF) Chassis 5. Removing the Hard Disk: remove the two screws that secure the hard disk drive cage away from the bottom of the chassis 2 as shown below. Releasing the Hard Drive Cage Service Reference Guide 483941-001 6-19 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 56
- Microtower (MT)/Small Form Factor (SFF) Chassis 7. Lift the hard disk drive cage out of the chassis. Removing the Hard Drive Cage 8. Disconnect the power cable 1 and data cable 2 from the back of the hard drive. Disconnecting the Hard Drive Cables 6-20 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 57
drive. Å WARNING: There may be sharp edges on the insides of the bay opening after the shield has been removed. 6.8.3 Locating Drive Positions - SFF chassis Desktop Drive Positions Service Reference Guide 483941-001 6-21 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 58
- Microtower (MT)/Small Form Factor (SFF) Chassis 1 3.5-inch drive bay (1.44-MB diskette drive shown)* 2 5.25-inch drive bay for optional drives 3 3.5-inch, internal, standard hard drive bay *If the computer has the Easy Access drive bay to the up position. 6-22 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 59
Removal and Replacement Procedures- Microtower (MT)/Small Form Factor (SFF) Chassis Removing the Optical the guide screws as indicated. Ä CAUTION: Use only 3/16-inch or 5-mm long screws as guide screws. Longer screws can damage the internal components of the drive. Service Reference Guide 483941 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 60
Removal and Replacement Procedures- Microtower (MT)/Small Form Factor (SFF) Chassis Installing Guide Screws in the Optical Drive 3. Position the guide screws on the drive into the J-slots in the drive bay 1. Then, slide the drive toward the rear of the computer 2. Installing the Optical Drive ✎ - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 61
Removal and Replacement Procedures- Microtower (MT)/Small Form Factor (SFF) Chassis 4. computer. Ä CAUTION: When servicing the computer, ensure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the computer. Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 62
Microtower (MT)/Small Form Factor (SFF) Chassis 6.8.6 Upgrading the Hard Drive - SFF chassis Removing and Replacing the Hard Drive ✎ Only a serial advanced technology attachment (SATA) hard drive can be installed on this computer external devices. 3. Remove the computer access panel and front bezel. - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 63
Removal and Replacement Procedures- Microtower (MT)/Small Form Factor (SFF) Chassis 6. Press the latch 1. 7. Slide the drive to the right of the bay 2. Connect the power cable 1 and data cable 2 to the hard drive. Connecting the Power Cable and Data Cable Service Reference Guide 483941-001 6-27 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 64
Microtower (MT)/Small Form Factor (SFF) Chassis 6.9 Front I/O Panel Housing Assembly - MT chassis 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel and rotate the computer SFF is similar to MT. 6-28 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 65
Microtower (MT)/Small Form Factor (SFF) Chassis 6.10 System Fan 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel (Section 6.2, "Remove the computer access panel and front bezel (MT System Fan. Service Reference Guide 483941-001 6-29 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 66
and Replacement Procedures- Microtower (MT)/Small Form Factor (SFF) Chassis 6.11 Heatsink - MT chassis 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel (Section 6.2, "Remove the computer access panel and front bezel (MT chassis and SFF - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 67
Microtower (MT)/Small Form Factor (SFF) Chassis 6.12 Processor 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel cover (Section 6.2, "Remove the computer access panel and front bezel (MT . Service Reference Guide 483941-001 6-31 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 68
Removal and Replacement Procedures- Microtower (MT)/Small Form Factor (SFF) Chassis 5. Go to step 7. 6. If version of the BIOS is being used on the computer. The latest system ROMPaq can be found on the Web at: http:\\h18000.www1.hp.com/support/files. 6-32 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 69
Microtower (MT)/Small Form Factor (SFF) Chassis 6.13 System Board 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel (Section 6.2, "Remove the computer access panel and front bezel (MT "Heatsink - MT chassis"). 7. in the computer may look - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 70
battery only with the HP/Compaq spare designated for this product. Ä 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. Refer to the Troubleshooting Guide for information on backing - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 71
Procedures- Microtower (MT)/Small Form 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. Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 72
that secure the power supply to the chassis. 5. Slide the power supply toward the front of the computer 4, then lift it out of the computer. To install the power supply, reverse the removal procedure. The installtion of power supply for MT and SFF is same. 6-36 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 73
assignments for many computer and workstation connectors. Some of these connectors may not be used on the product being serviced. Enhanced Keyboard Connector Transmit Data 3 (+) Receive Data 4 Unused 5 Unused 6 (-) Receive Data 7 Unused 8 Unused Service Reference Guide 483941-001 A-1 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 74
Connector and Icon Pin Signal 1 +5 VDC 2 - Data 3 + Data 4 Ground Microphone Connector and Icon (1/8" miniphone) 1 23 Pin 1 (Tip) 2 (Ring) 3 (Shield) Signal Audio Power Ground A-2 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 75
8 Ground 9 +5V DC (fused) 10 Ground Pin Signal 11 Not used 12 DDC Serial Data 13 Horizontal Sync 14 Vertical Sync 15 DDC Serial Clock Service Reference Guide 483941-001 A-3 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 76
16 PSON 17 GND 18 GND 19 GND 20 NI Pin Signal 1 GND 2 GND 3 +12 V 4 +12 V Pin Signal 21 +5 V 22 +5 V 23 +5 V 24 GND A-4 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 77
of the country where you use the computer. For more information on power cord set requirements, contact your authorized HP dealer, reseller, or service provider. General Requirements The requirements listed , for mating with appliance inlet on the Switch Box. Service Reference Guide 483941-001 B-1 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 78
On Self-Test (POST) encounters a problem. This test runs when the system is turned on, checking assemblies within the computer and reporting any errors found. Not all computers use all of the codes listed. the Hard Drive selection in Setup is set to NONE. Service Reference Guide 483941-001 C-1 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 79
HALT ON ALL, BUT KEYBOARD. The BIOS then ignores the missing keyboard during POST. No action request Reseat memory modules. Replace memory modules. Restart the computer, use the F10 Key to access Computer Setup. Select Load Default Settings > Save and Exit. C-2 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 80
fan assembly is properly attached. 5. Contact an authorized reseller or service provider. 1. Ensure that the computer air vents are not blocked and the processor cooling fan is running properly attached. 5. Contact an authorized reseller or service provider. Service Reference Guide 483941-001 C-3 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 81
drivers been installed for each application? ■ Remove all diskettes from the diskette drives before you turn on the system. ■ Are all switches set correctly? ■ Is the NIC Remote Wakeup cable (featured on some models) connected between the NIC and the riser/system board? Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 82
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. Problem Cause Solution Computer will not turn on. Cables to the external power source are unplugged. Ensure that cables connecting the - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 83
, reset the Date and Time Properties in the 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 on the Library CD for instructions on installing a new battery. Cursor will not move using - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 84
Troubleshooting Without Diagnostics Problem Cause Solution Some computer will not start. Initernal error has occurred Refer to "Interpreting Diagnostic Lights and the computer is and Audible Codes" to interpret the flashing a code. error code. D-4 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 85
instructions that appear on the screen. Problem A new device is not recognized as part of the system. Computer computer. See "Interpreting Diagnostic Lights and Audible Codes" to determine possible causes. 3. If you still cannot resolve the issue, contact Customer Support. Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 86
Troubleshooting Without Diagnostics Interpreting Diagnostic Lights and Audible Codes you see flashing LEDs on a PS/2 keyboard, look for flashing LEDs on the front panel of the computer and refer to the following table to determine the front panel LED codes. ✎ Recommended actions in the following - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 87
Problems Troubleshooting Without Diagnostics Solving Display Problems Problem Cause Solution Blank screen (no video). The cable connections are not correct. Check the cable connections from the monitor to the computer control to reset the resolution. Service Reference Guide 483941-001 D-7 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 88
Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause Power LED flashes Red six times, once every second, followed by a two second pause, and the computer controller was upgraded, the correct video drivers may not be loaded. Monitor is Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 89
Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem The font you are using does not support that particular symbol. Solution Lower brightness monitor's on-screen display menu. 2. Manually synchronize the Clock and Clock Phase on- Service Reference Guide 483941-001 D-9 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 90
Troubleshooting Without Diagnostics Solving Audio Problems Solving Audio Problems Problem Cause Solution Sound does not come out of the down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose your data. D-10 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 91
Troubleshooting Without Diagnostics Solving Audio Problems (Continued) Problem or use the multimedia device properties to manually switch the audio signal from analog digital mode. Sound cuts in and out. Computer appears to be locked up while recording Service Reference Guide 483941-001 D-11 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 92
Troubleshooting Without Diagnostics Solving Printer Problems Solving Printer Problems Problem Cause Printer will not print. Printer is not turned on and online. The correct printer driver printer driver is Install the correct printer driver for the application. driver. Make driver - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 93
Troubleshooting Without Diagnostics Solving Keyboard and Mouse Problems Solving Keyboard Problems Problem Cause Solution Keyboard commands and typing are not recognized by the computer. Keyboard connector is not properly connected. 1. Turn off the computer the computer will the computer will - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 94
Troubleshooting Without Diagnostics Solving Network Problems These guidelines do not discuss the process of debugging the network cabling. Solving Network Problems Problem Cause Wake-on-LAN feature is not functioning. Wake-on-LAN is not enabled. Network driver driver drivers the Computer Setup - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 95
Troubleshooting Without Diagnostics Solving Network Problems (Continued) Problem Cause Diagnostics passes, but the computer does not communicate with the network. (continued) The network controller is not configured for this computer. Network controller stopped working when an expansion board - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 96
Troubleshooting Without Diagnostics Solving Memory Problems Ä CAUTION: For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the system will not boot the operating system. Solving Memory Problems Problem Cause System will not boot or does not - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 97
hot. Troubleshooting Without Diagnostics Solution 1. Make sure the airflow to the computer is not blocked. 2. Make sure the fans are connected and working properly (some fans only operate when needed). 3. Make sure the processor heatsink is installed properly. Service Reference Guide 483941-001 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 98
Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems Problem Cause System will not boot from CD-ROM or DVD drive. The CD-ROM or DVD boot is not enabled through the Computer Setup utility. Non-bootable CD in drive. CD-ROM or DVD devices are not - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 99
Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems (Continued) Problem Cause Solution Recording audio CDs boots. Solving Internet Access Problems Solving Internet Access Problems Problem Cause Unable to connect to the Internet. Internet Service Provider (ISP) account is - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 100
Troubleshooting Without Diagnostics Solving Internet Access Problems (Continued) Problem Cause Solution Unable to connect to the Internet. (continued) Cable/DSL service is not available or has been interrupted due to bad weather. Try connecting to the Internet at a later time or contact your - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 101
, then click Properties. 7. Under Device status, verify that the modem is working properly. 8. Under Device usage, verify the modem is enabled. 9. If there are further problems, click the Troubleshoot button and follow the on-screen instructions. Service Reference Guide 483941-001 D-21 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 102
Computer on. None Green Power LED flashes every two seconds. None Computer in Suspend to RAM mode (some models only) or normal Suspend mode. Not support isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Red Power LED Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 103
Troubleshooting Without Diagnostics Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended password entered. Declining beeps when password entered. Rapid Correct password No action required. decline entered. Service Reference Guide 483941-001 D-23 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 104
Troubleshooting Without Diagnostics Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action System does on the system board is not turned on, then replace the power supply. 6. Replace the system board. D-24 483941-001 Service Reference Guide - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 105
See the documentation included with the Restore Plus! CD for complete instructions on using this feature. ✎ In the event that you lose power during the initial operating system installation process, use the Restore Plus! CD to install the operating system. Service Reference Guide 483941-001 D-25 - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 106
Troubleshooting Without Diagnostics Contacting Customer Support For help and service, contact an authorized reseller or dealer. To locate a reseller or dealer near you, visit www.hp.com. ✎ If you take the computer to an authorized reseller, dealer, or service provider for service, remember to - Compaq dx2710 | service reference guide: HP Compaq dx2710 MT/dx2718 MT/dx2710 SF - Page 107
computer supports: ■ 512Mbit, 1Gbit and 2Gbit non-ECC memory technologies ■ single-sided and double-sided DIMMS ■ DIMMs constructed with x8 and x16 DDR devices; DIMMs constructed with x4 SDRAM are not supported ✎ The system will not start if you install unsupported DIMMs. Service Reference Guide
service reference guide
HP Compaq dx2710 MT/dx2718 MT/dx2710 SFF
Business PCs
1st Edition
This document provides information on the removal and replacement of all
parts as well as information on troubleshooting, Desktop Management, setup
utilities, SATA
drives, safety, routine care, connector pin assignments, POST
error messages, and diagnostic indicator lights.
Document Part Number 483941-001