dx7400 Sff - HP Microtower PC

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Service Reference Guide - HP Compaq dx7400 Business PC


Page 7
...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 Grounding Methods and...Requirements 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...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 8
... 1 Battery Holder ...82 Type 2 Battery Holder ...82 Type 3 Battery Holder ...83 Power Supply ...84 Installing a Security Lock ...86 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Preparation for Disassembly ...87 Access Panel ...88 Front Bezel ...89 Bezel Blanks ...90 5.25-inch Drive Bezel Blank 90 3.5-inch Drive Bezel Blank 90...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 59
Small Form Factor (SFF) Electrostatic Discharge Information A sudden discharge of bench worker Removing DIPs* from plastic tube Removing DIPs* from vinyl tray Removing DIPs* from Styrofoam Removing bubble pack ...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 97
... always be disconnected before disconnecting any diskette or compact disc from the computer. 6. Disconnect all components operate properly. 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Adherence to it , noting its position and routing. NOTE: Not all computers. NOTE: During disassembly, label each cable as the system is in an...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 98
To install the access panel, reverse the removal procedure. 88 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Prepare the computer for disassembly (Preparation for Disassembly on page 87). 2. Remove the two screws that secure the access panel to the computer chassis (1). 3. Slide the access panel back about 1.25 cm (1/2 inch), then lift it away from and off the unit (2). Access Panel 1.
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 100
.... NOTE: To install a 5.25-inch bezel blank, slide the left side of the blank into place. 90 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Bezel Blanks 1.
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 102
... Designator JFP1 SPKR FLPY AUDIO2, (Green) IUSB1 (Yellow) COM B SATA1 (Dark Blue) SATA2 (White) CPUFAN1 IUSB2 92 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Cable Connections System board connectors are color-coded to make it easier to find the proper connection.
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 104
System Board Drive Connections Follow the guidelines in the illustration and table below when connecting drives to the system board. Drive Configuration 1 hard drive 1 optical drive media card reader diskette drive System Board Connectors (1) SATA1 hard drive (2) SATA2 optical drive (3) USB connector (white) (4) FDD connector (black) 94 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 106
... computer for disassembly (Preparation for both devices. 1. Remove the access panel (Access Panel on page 89). 96 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis External 3.5-inch Media Card Reader or Diskette Drive The 3.5-inch external drive bay may be populated with a media card reader or diskette drive. To...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 108
... have magnetic fields such as monitors or speakers. 1. Rotate the drive cage to the new one. 98 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Avoid exposing a hard drive to liquids, temperature extremes, or products that you are discharged of static electricity. Remove the access panel (Access Panel on...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 110
Match the notch on the module with the tab on . 100 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Repeat steps 4 and 5 for any additional modules that the module is turned on the memory socket. 5. NOTE: The computer automatically recognizes the additional memory ...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 112
... small slot on the chassis. Press the card straight down to the installed card, if needed . 102 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Connect external cables to latch it and secure the card brackets. 8. NOTE: When installing an expansion card, press firmly on the card so that...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 114
The card is installed in the computer. Prepare the computer for disassembly (Preparation for Disassembly on page 88). 3. Unplug the ReadyBoost cable from the system board, and then lift the card assembly from the chassis. Remove the access panel (Access Panel on page 87). 2. ReadyBoost Card A ReadyBoost card is secured to the chassis, and a cable connects the card to the system board. 1. To install the ReadyBoost card, reverse the removal procedure. 104 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 116
... to its upright position. 5. Remove the screw that secures the front I /O device, reverse the removal procedures. 106 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Front I/O Device 1. Remove the access panel (Access Panel on page 88). 3.
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 118
...). 2. Disconnect the speaker wire from the chassis (3). Speaker 1. To install the speaker, reverse the removal procedures. 108 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis If necessary, remove expansion cards to gain access to the speaker wire. 5. Rotate the drive cage to the right (2), and then remove it from...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 120
Disconnect the heatsink fan cable from the heatsink (2). Remove the four screws that secure the fan to the front of the heatsink (1), and then remove the fan from the system board. 5. Remove the access panel (Access Panel on page 87). 2. Prepare the computer for disassembly (Preparation for Disassembly on page 88). 3. Heatsink Fan 1. Remove the heatsink (Heatsink on page 109). 4. To install the heatsink fan, reverse the removal procedure. 110 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 122
...and attach the heatsink control cable to its upright position. 5. CAUTION: Heatsink retaining screws should be found on the Web at: http://h18000.www1.hp.com/support/files. Remove the front bezel (Front Bezel on page 87). 2. Remove the serial port wire from the bottom of the BIOS is...remove the protective covering from on the computer. Go to the back of the power supply. 112 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis This is being used on top of the chassis (1). 8. Unplug all power supply wires from the system board. 7. Remove the three screws ...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 124
... of the heatsink with the rotation of the processor from the syringe supplied in the BIOS. 114 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis NOTE: When replacing the system board, you must also change the chassis serial number in the spares kit.
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 126
... the replacement battery into position, positive side up , lift it out (1). 2. Replace the computer access panel. 116 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis The battery holder automatically secures the battery in the computer and turn on power to the Computer Setup (F10) Utility Guide. Type 2 Battery Holder...
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Service Reference Guide - HP Compaq dx7400 Business PC


Page 128
NOTE: The security lock slot may be installed on your computer model. 118 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Installing a Security Lock An optional security lock can be in a different location on the rear panel of the computer to provide physical computer security.

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  • Service Reference Guide - HP Compaq dx7400 Business PC
  • Protect Tools User Guide
  • Troubleshooting Guide
  • Desktop Management Guide
  • Support Telephone Numbers
  • Hardware Reference Guide - HP Compaq dx7400 Microtower
  • Quick Setup and Getting Started Guide
  • Safety and Regulatory Information Desktops, Thin Clients, and Personal Workstations
  • Computer Setup (F10) Utility Guide
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