Compaq dx2310 Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business
Compaq dx2310 - Microtower PC Manual
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- Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 1
service reference guide HP Compaq dx2310 MT/dx2318 MT 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, - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 2
Service Reference Guide HP Compaq dx2310 MT/dx2318 MT Business PCs 1st Edition Document Part Number: 490778-001 April 2008 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - 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 dx2310 MT/dx2318 MT Business PCs First Edition (April 2008) Document Part Number: 490778-001 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 4
Computer Setup 3-3 3.3.4 Surge-Tolerant Power Supply 3-6 4 Serial ATA Drive Guidelines and Features 4.1 SATA 3.0 Hard Drives 4-1 4.2 SATA Hard Drive Cables 4-2 4.2.1 SATA Data Cable 4-2 4.2.2 SATA Power Cable 4-2 4.3 SATA SMART Drives 4-3 4.4 Drive Capacities 4-3 4.5 SATA BIOS 4-3 Service - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 5
-Microtower (MT) Chassis 6.1 Preparation for Disassembly 6-1 6.2 Remove the computer access panel and front bezel (MT chassis 6-2 6.2.1 Access Panel (MT Chassis 6-2 6.2.2 Front Bezel (MT Chassis 6-3 6.3 Front Drive Bezels 6-4 6.3.1 Removing a 5.25" Drive Bezel Blank/MT Chassis 6-4 6.4 Memory - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 6
A Connector Pin Assignments B Power Cord Set Requirements C POST Error Messages D Troubleshooting Without Diagnostics E Memory Contents Service Reference Guide 490778-001 v - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - 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 dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - 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 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 9
information needed about the computer system when contacting Customer Support. These tools can also computer system is functioning properly: ■ Keyboard ■ Memory modules ■ Diskette drives ■ All IDE (ATA) and SATA mass storage devices ■ Processors ■ Controllers Service Reference Guide 490778-001 2-1 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 10
, graphics, memory, audio, storage, communications, and input devices. ■ Modify the boot order of bootable devices such as hard drives, diskette drives, optical drives, USB devices. ■ Configure the boot priority of IDE (ATA) and SATA hard drive controllers. ■ Enable or disable Network Server Mode - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - 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 490778-001 2-3 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - 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 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 13
Setup Utilities and Diagnostics Features Computer Setup (Continued) Heading Option Description Standard CMOS Features ( • All but Diskette • All but Disk/Key ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide 490778-001 2-5 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 14
three: • Removable • Hard Disk • CD-ROM • Network • Disabled ✎ MS-DOS drive lettering assignments may not apply after a non-MS-DOS operating system has started. ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2-6 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 15
for special BIOS, show one of following items: • Onboard Lan ROM • HP Clone ROM • None Security Option Allows you to set the security option to Setup or System so that the password is required every time the system boots or only when entering Computer Setup. ✎ Support for specific Computer Setup - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 16
to: • Fixed • DVMT DVMT/FIXED Memory Size (VGA Setting) Allows you to set memory size to. Modifiable when PEG/Onchip VGA Control is Onchip VGA or Auto: • 128MB ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2-8 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 17
SATA Port Only available when you enter to setup with advanced mode(Ctrl+A). Show Only, controlled by PATA IDE Mode: • P1,P3 is Secondary • P0,P2 is Primary ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide 490778-001 2-9 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 18
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. 2-10 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 19
) 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 490778-001 2-11 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 20
Setting and Exit Allows you to save current settings and exit 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. 2-12 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 21
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 dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 22
. This is important to ensure the operating integrity of the computer. Should you need or want to upgrade the BIOS, you may download the latest BIOS images from the HP driver and support page: http://www.hp.com/support. Ä CAUTION: For maximum ROM protection, be sure to establish a supervisor - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 23
media used to upgrade the BIOS. 5. Turn the power on to restart the computer. 3.2.2 Dual-State Power steps: 1. Left click on the Start Button, then select Control Panel > Power Options. 2. In the Power Options Properties, Desktop, then choose Properties. 3-2 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 24
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 image needed to run the latest Microsoft Windows operating system on your HP computer. 3.3 Security 3.3.1 Password Security The user password - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 25
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 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 26
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 490778-001 3-5 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 27
Desktop Management National Keyboard Delimiter Characters Each keyboard is designed to meet country-specific requirements. The syntax and keys that you use for changing or deleting your password depend on the keyboard that came with your computer. National Keyboard Delimiter Characters Arabic / - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 28
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 490778-001 4-1 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 29
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 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 30
Features 4.3 SATA SMART 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 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 31
an AC power source 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) dx2310 MT Service Reference Guide 490778-001 5-1 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 32
Identifying the Chassis, Routine Care, and Disassembly Preparation dx2318 MT Note: dx2318 MT is only for China Market. 5-2 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 33
but it has been degraded in the internal layers, reducing its life expectancy. Networks built into many integrated circuits provide some protection, but in many cases, the discharge -sensitive parts from assemblies in protective packaging or conductive foam. Service Reference Guide 490778-001 5-3 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 34
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 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 35
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 490778-001 5-5 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 36
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 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 37
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 dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 38
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 dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 39
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 dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 40
and Replacement Procedures- Microtower (MT) Chassis 6.2 Remove the computer access panel and front bezel (MT chassis) 6.2.1 Access Panel (MT Chassis) 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). Ä CAUTION: Before removing the computer access panel, ensure - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 41
Microtower (MT) 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 * * These apply for selected models and countries only. Service Reference Guide 490778-001 6-3 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 42
Microtower (MT) Chassis 6.3 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 Chassis)" and Section 6.2.2, "Front Bezel (MT 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 43
and Replacement Procedures- Microtower (MT) Chassis 6.4 Memory For more information on the memory in this series of computers, refer to Appendix E, "Memory." 6.4.1 Installing Memory Modules/MT chassis Ä CAUTION: The memory module sockets have gold metal contacts. When upgrading the memory, it is - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 44
Removal and Replacement Procedures- Microtower (MT) Chassis ✎ A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket. 5. Push the module down into the socket, ensuring that the module is fully inserted and properly seated. Make sure the - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 45
Microtower (MT) Chassis 6.5.2 PCI/PCIe Expansion Card To remove an expansion card continue with step 1. To install an expansion card in an existing empty slot go to step 9. 1. Prepare the computer card, if needed. Reconfigure the computer, if necessary. Service Reference Guide 490778-001 6-7 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 46
Removal and Replacement Procedures- Microtower (MT) Chassis 6.5.3 Installing an Expansion Card The computer has four PCI expansion slots. Each slot can accommodate a half-height PCI or PCI Express the inside of the chassis. Removing the Expansion Slot Cover 6-8 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 47
Removal and Replacement Procedures- Microtower (MT) Chassis 7. Hold the card just above the expansion slot on the system board then move the card , with a metal slot cover or a piece of duct tape) for proper cooling of internal components during operation.) Service Reference Guide 490778-001 6-9 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 48
Microtower (MT) Chassis 6.5.4 Removing an Expansion Card To remove an expansion card: 1. Turn off the computer Remove the computer cover. 4. Release the slot cover retention latch on the back of the computer that secures on the rear of the computer must contain either an expansion card or slot - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 49
Microtower (MT) Chassis 6.6 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 power supply. Service Reference Guide 490778-001 6-11 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 50
Microtower (MT) Chassis 6.7 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 the Compaq factory-installed files. - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 51
Removal and Replacement Procedures- Microtower (MT) Chassis Item 1 2 3 Drive is available as option. 6.7.2 Removing a Drive 1. Turn off the computer properly through the operating system and turn off any external devices. Disconnect . Removing the Drives Service Reference Guide 490778-001 6-13 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 52
Removal and Replacement Procedures- Microtower (MT) Chassis 5. Removing the Hard Disk: remove the two screws that secure the hard disk drive cage to the chassis. cage away from the bottom of the chassis 2 as shown below. Releasing the Hard Drive Cage 6-14 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 53
and Replacement Procedures- Microtower (MT) 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 Service Reference Guide 490778-001 6-15 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 54
Removal and Replacement Procedures- Microtower (MT) Chassis 9. Remove the four screws that secure the hard disk drive to the hard disk drive cage 1, then slide the hard disk drive out of the hard disk drive cage 2. Removing the Hard Drive 10. Remove one guide screws (Floppy Drive only) from the old - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 55
Microtower (MT) Chassis 6.8 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 assembly, reverse the removal procedures. Service Reference Guide 490778-001 6-17 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 56
Removal and Replacement Procedures- Microtower (MT) Chassis 6.9 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 chassis)"). 3. Disconnect the cable that - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 57
Replacement Procedures- Microtower (MT) Chassis 6.10 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)"). 3. Lay the computer down on its - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 58
Microtower (MT) Chassis 6.11 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 chassis)"). 3. Disconnect the heatsink control 001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 59
✎ 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 ROMPaq can be found on the Web at: http:\\h18000.www1.hp.com/support/files. Service Reference Guide 490778-001 6-21 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 60
Microtower (MT) Chassis 6.12 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. computer may look slightly different from - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 61
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 dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 62
Procedures- Microtower (MT) 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. 6-24 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 63
Procedures- Microtower (MT) Chassis 6.14 Power Supply Å WARNING: Voltage is always present on the system board when the computer is front of the computer 4, then lift it out of the computer. To install the power supply, reverse the removal procedure. Service Reference Guide 490778-001 6-25 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 64
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 490778-001 A-1 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 65
Indicator (5V if powered) USB 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 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 66
) 1 23 Pin 1 (Tip) 2 (Ring) 3 (Shield) Signal Audio_In_Left Audio_In_Right Ground Line-Out Audio Connector and Icon (1/8" miniphone) 1 23 Pin 1 (Tip) 2 (Ring) 3 (Shield) Signal 12 DDC Serial Data 13 Horizontal Sync 14 Vertical Sync 15 DDC Serial Clock Service Reference Guide 490778-001 A-3 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 67
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 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 68
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 490778-001 B-1 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 69
battery and replace if necessary. Not an error, no action request The user may press Esc to skip the full memory test. Make sure the controller is installed correctly. If no hard drives are installed, be sure the Hard Drive selection in Setup is set to NONE. Service Reference Guide 490778-001 C-1 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 70
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 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 71
or disk error Replace and press any key when ready The BIOS was unable to find a suitable boot device. For Argali, . 5. Contact an authorized reseller or service provider. 1. Ensure that the computer air vents are not blocked and the service provider. Service Reference Guide 490778-001 C-3 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 72
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 dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 73
performing the operation, contact your HP authorized reseller or service provider. Problem Cause Solution Computer will not turn on. Cables an HP authorized reseller or service provider. Computer appears locked up and will not turn off when the power button is pressed. Software control of - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 74
First, 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 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 75
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 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 76
memory modules and to verify the proper installation. 2. Observe the beeps and LED lights on the front of the 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 dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 77
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 dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 78
Solving Display 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 and to the electrical outlet. Screen blanking utility - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 79
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 If the graphics controller was upgraded, the correct video drivers may not be loaded Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 80
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 490778-001 D-9 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 81
Troubleshooting Without Diagnostics Solving Audio Problems Solving Audio Problems Problem Cause Solution Sound does not come out of the speaker or headphones. Software volume control . Otherwise, the computer will shut down and you will lose your data. D-10 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 82
Troubleshooting Without Diagnostics Solving Audio Problems (Continued) Problem device properties to manually switch the audio signal from analog out. Computer appears to be locked up while recording audio. Processor audio file in a compressed format. Service Reference Guide 490778-001 D-11 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 83
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 for the application are not installed. Printer will not turn on. Printer prints garbled information. - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 84
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 dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 85
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 does not detect network controller. Network controller is disabled. Incorrect network driver. Network status link light does - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 86
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 dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 87
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 dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 88
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 490778-001 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 89
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 dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 90
Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems (Continued) Problem Cause Solution Recording audio CDs is difficult or impossible. Wrong or poor quality media type. 1. Try a "power" LED light on the front of the cable/DSL modem. Service Reference Guide 490778-001 D-19 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 91
Troubleshooting Without Diagnostics Solving Internet Access Problems (Continued) Problem Cause Solution Unable to connect to the Internet. (continued) Cable/DSL service between the cable modem and the computers's RJ-45 connector. (If the connection is good, the "PC" LED light on the front of - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 92
, 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 490778-001 D-21 - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 93
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 dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 94
Troubleshooting Without Diagnostics Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity . 8 Invalid ROM based on bad checksum. 1. Reflash the system ROM with the latest BIOS image. 2. Replace the system board. Inclining beeps when password entered. Rapid Incorrect Enter the - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 95
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 490778-001 Service Reference Guide - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 96
the operating system. 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 provide the setup - Compaq dx2310 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business - Page 97
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 dx2310 MT/dx2318 MT
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 490778-001