Compaq dx7400 Mt - Microtower PC

Compaq dx7400 Mt

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Illustrated Parts & Service Map - HP Compaq dx7400 Microtower Business PC


Page 1
...-001 449980-001 407187-001 316904-061 316920-331 316904-241 316904-AR1 382848-DH1 417562-111 316904-141 158593-031 dx7400 Illustrated Parts & Service Map, MT Chassis 459782-001 page 1 tained herein is subject to dual VGA dongle * SATA cable, 14 inch (2 straight ends...editorial errors or omissions contained herein. HP shall not be the most current spare parts listing. Illustrated Parts & Service Map HP Compaq dx7400 Microtower Business PC © 2007 Hewlett-Packard Development Company, L.P. The information con- Document Number 459782-001. 1st Edition September 2007. NOTE: The...
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Illustrated Parts & Service Map - HP Compaq dx7400 Microtower Business PC


Page 2
...-001 * DVI-I and TV (S-Video) outputs. LP * nVidia GeForce 8440 GS 256-MB video card with flat, countersunk head (247481-002) *Not shown dx7400 Illustrated Parts & Service Map, MT Chassis 459782-001 page 2 Keyboards (not illustrated) PS/2, Basic USB, Basic Arabic Belgian BHCSY Czech Danish Finnish French French Arabic German Greek Hebrew...
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Illustrated Parts & Service Map - HP Compaq dx7400 Microtower Business PC


Page 3
...J41 x16 PCI Express slot for PCI 12 Mouse 13 Coprocessor 14 Primary ATA (IDE) Controller 15 Secondary ATA (IDE) Controller dx7400 Illustrated Parts & Service Map, MT Chassis 459782-001 page 3 able Bit MAX DVMT Specify size of attached hard drive devices (USB HDD, USB2 Drive Key, ...or USB flash media). Protection PC Health System Fan Disable/enable Fail Check Smart Fan Function Disable/enable Current CPU View only Temperature...
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Illustrated Parts & Service Map - HP Compaq dx7400 Microtower Business PC


Page 4
...the text box and press the Enter key. 4. Setup Utilities out approval. Expansion board option ROM checksum 3. Check DIMMs for example, dx7400) in the key icon and press Enter The new password will take effect the next time the computer is protected during the boot ... 1720-SMART Hard Drive Hard drive is not optimized each channel has the same amount of computer until password is turned on dx7400 Illustrated Parts & Service Map, MT Chassis 459782-001 page 4 Detects Imminent Failure 1. Enter Computer Setup and run the Drive Protection System test under Storage > ...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 7
...SMART ATA Drives ...46 Hard Drive Capacities ...47 6 Identifying the Chassis, Routine Care, and Disassembly Preparation Chassis Designations ...48 Microtower (MT) ...48 Small Form Factor (SFF 49 Electrostatic Discharge Information ...49 Generating Static ...49 Preventing Electrostatic Damage to Equipment 50 Personal... 54 Screws ...54 Cables and Connectors ...55 Hard Drives ...55 Lithium Coin Cell Battery 55 7 Removal and Replacement Procedures Microtower (MT) Chassis Preparation for Disassembly ...56 Access Panel ...57 Front Bezel ...58 Bezel Blanks ...59 5.25-inch Drive Bezel Blank...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 58
..., Routine Care, and Disassembly Preparation This chapter provides general service information for proper service. Chassis Designations The following subsection illustrates the dx7400 chassis design. CAUTION: When the computer is plugged into an AC power source, voltage is essential for the computer. Microtower (MT) 48 Chapter 6 Identifying the Chassis, Routine Care, and Disassembly Preparation
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 66
7 Removal and Replacement Procedures Microtower (MT) Chassis Adherence to it , noting its position and routing. Preparation for proper service. Turn off the computer before servicing a unit. 5. Keep all computers. using the ... the computer. 4. NOTE: During disassembly, label each cable as the system is in an application may damage the unit. 56 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis Close any diskette or compact disc from the computer. 6. CAUTION: Turn off the computer and any cables. The power cord should always be disconnected...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 68
Prepare the computer for disassembly (Preparation for Disassembly on page 57). 3. Front Bezel 1. Remove the access panel (Access Panel on page 56). 2. Pull outward on all three tabs on the left side of the bezel (1) then rotate the bezel off the chassis (2), beginning with the left side then the right side. To reinstall the front bezel, reverse the removal procedure. 58 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 70
NOTE: To install a 3.5-inch bezel blank, press the blank inward from the inside of the front bezel, press outward on the retaining tabs on each side of the front bezel so that it . 3.5-inch Drive Bezel Blank While facing the inside of the bezel blank (1) and pull the bezel blank inward to remove it snaps into place. 60 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 72
... seated. NOTE: A memory module can be installed in the closed position (3). 5. To reassemble the computer, reverse the removal procedure. 62 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis 3. Push the module down into the socket (2). Open both latches of the sockets. Begin by installing a module into the socket nearest the pre-installed...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 74
... the whole connector seats properly in place then replace the screw that the bottom of internal components during operation. 64 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis Connect internal cables to the system board, if needed . NOTE: To remove an expansion card, reverse the installation procedure. 5. CAUTION: After removing an expansion...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 76
... P8 P9 PCA Designator PWR PWRCPU FLPY SATA1 SATA3 SATA2 SATA4 CPUFAN1 CHFAN1 JFP1 IUSB1 SPKR AUDIO2 COMB IUSB2 66 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 78
...: (1) SATA1 secondary hard drive: (3) SATA3 first optical drive: (2) SATA2 second optical drive: (4) SATA4 (5) USB connector (white) (6) FDD connector (black) 68 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis System Board Drive Connections Follow the guidelines in the illustration and table below when connecting drives to the system board.
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 80
... are used for the first time, use a flat blade screwdriver to install the appropriate guide screws into the drive. 70 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis Remove the front bezel (Front Bezel on page 56) 2. If the device is a media card reader, disconnect the internal USB cable from the back...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 82
To install the ReadyBoost card, reverse the removal procedure. 72 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis Prepare the computer for disassembly (Preparation for Disassembly on page 57). 3. Remove the access panel (Access Panel on page 56). 2. Unplug the ReadyBoost cable from the system board, and then lift the card assembly from the chassis. ReadyBoost Card A ReadyBoost card is secured to the chassis, and a cable connects the card to the system board. 1. The card is installed in the computer.
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 84
Press down on page 58). 4. To install the power switch assembly, reverse the removal procedures. 74 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis Disconnect the braided cables from the chassis while guiding the wires through the hole in the chassis. Remove the access panel (Access Panel on ...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 86
Remove the access panel (Access Panel on the inside of the chassis that secure the serial port to the chassis (2), and then remove the serial port. Disconnect the serial port cable from the clip (1) mounted on page 57). 3. To install the serial port, reverse the removal procedure. 76 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis Second Serial Port 1. Disconnect the serial port cable from the outside of the chassis. 5. Prepare the computer for disassembly (Preparation for Disassembly on page 56). 2. Remove the two hex nuts from the system board. 4.
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 88
... screws should be tightened in an X) to evenly seat the heatsink to them may require replacing the system board. 78 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis New heatsinks come from contaminating the work on (Access Panel on the socket are very fragile and any electrical components before tightening the retaining...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 90
....com/support/files. This is being used on the socket are very fragile and any damage to the chassis (1). 80 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis Remove the access panel (Access Panel on page 77). 6. Disconnect all installed drives. 5. NOTE: After installing a new processor onto the system board, always update...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 92
CAUTION: Before replacing the battery, it out (1). 82 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis Refer to the computer. 6. Replace the computer access panel. 5. Plug in the proper position. 4. When the battery pops up . 3. Prepare the computer for disassembly (...

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  • Service Reference Guide - HP Compaq dx7400 Business PC
  • Protect Tools User Guide
  • Troubleshooting Guide
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  • Hardware Reference Guide - HP Compaq dx7400 Microtower
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