HP EliteDesk 705 G4 MT Hardware Reference Manual
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HP EliteDesk 705 G4 MT Hardware Reference Manual

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Hardware Reference Guide
HP EliteDesk 705 G4 MT Workstation PC

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  • Page 1 Hardware Reference Guide HP EliteDesk 705 G4 MT Workstation PC...
  • Page 2 HP products and services are set forth in the user guide, go to http://www.hp.com/support, bound by the terms of the HP End User License express warranty statements accompanying and follow the instructions to find your Agreement (EULA).
  • Page 3 About This Guide This guide provides basic information for upgrading the HP EliteDesk Business PC. WARNING! Indicates a hazardous situation that, if not avoided, could result in death or serious injury. CAUTION: Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury.
  • Page 4 About This Guide...

  • Page 5: Table Of Contents

    Installing a 2.5-inch hard drive ......................37 Removing and installing an M.2 SSD storage card ................39 Installing a security lock ............................42 Security cable lock ..........................42 Padlock .............................. 43 HP Business PC Security Lock V2 ...................... 43 Front bezel security ........................... 48...
  • Page 6 Appendix A Battery replacement ........................50 Appendix B Electrostatic discharge ........................54 Preventing electrostatic damage ........................54 Grounding methods ............................. 54 Appendix C Computer operating guidelines, routine care and shipping preparation ..........55 Computer operating guidelines and routine care ....................55 Optical drive precautions .............................

  • Page 7: Product Features

    Product features Standard configuration features Features may vary depending on the model. For support assistance and to learn more about the hardware and software installed on your computer model, run the HP Support Assistant utility. Standard configuration features...

  • Page 8: Front Panel Components

    NOTE: The USB port with HP Sleep and Charge provides current to charge a device such as a smart phone. The charging current is available whenever the power cord is connected to the system, even when the system is off.

  • Page 9: Rear Panel Components

    Rear panel components Rear panel components Audio-out jack for powered audio devices Audio-in jack DisplayPort monitor connectors (2) RJ-45 (network) jack Optional flex port Serial port (optional) USB ports (4) Power cord connector USB SuperSpeed ports (2) NOTE: When a graphics card is installed in one of the system board slots, the video connectors on the graphics card and/or the integrated graphics on the system board may be used.

  • Page 10: Serial Number Location

    Serial number location Each computer has a unique serial number and a product ID number that are located on the exterior of the computer. Keep these numbers available for use when contacting customer service for assistance. Chapter 1 Product features...

  • Page 11: Hardware Upgrades

    The Safety & Comfort Guide also provides important electrical and mechanical safety information. The Safety & Comfort Guide is available on the Web at http://www.hp.com/ergo. WARNING! Energized and moving parts inside.

  • Page 12: Removing The Computer Access Panel

    Removing the computer access panel To access internal components, you must remove the access panel. Remove/disengage any security devices that prohibit opening the computer. Remove all removable media, such as compact discs or USB flash drives, from the computer. Turn off the computer properly through the operating system, and turn off any external devices. Disconnect the power cord from the AC outlet and disconnect any external devices.

  • Page 13: Replacing The Computer Access Panel

    Replacing the computer access panel Be sure that the access panel release lever is locked into place, and then place the access panel on the computer (1) and slide the panel forward (2). The release lever will automatically move back to the right and lock the access panel.

  • Page 14: Removing The Front Bezel

    Removing the front bezel Remove/disengage any security devices that prohibit opening the computer. Remove all removable media, such as compact discs or USB flash drives, from the computer. Turn off the computer properly through the operating system, and turn off any external devices. Disconnect the power cord from the AC outlet and disconnect any external devices.

  • Page 15: Removing Bezel Blanks

    Removing bezel blanks On some models, bezel blanks cover the optical drive bays. You must remove the bezel blank before installing an optical drive. To remove a bezel blank: Remove the access panel and front bezel. To remove a 5.25-inch optical drive bezel blank, press inward on the two tabs on the right side of the blank (1), and then rotate the blank off the front bezel (2).

  • Page 16: Replacing The Front Bezel

    NOTE: The optional front bezel dust filter is available from HP. To remove, clean, and replace the dust filter: Turn off the computer properly through the operating system, and turn off any external devices.
  • Page 17 To remove the dust filter, use your fingers to separate the filter from the front bezel at the tab locations shown below. Use a soft brush or cloth to clean dust from the filter. If heavily soiled, rinse the filter clean with water. To replace the dust filter, press the filter firmly onto the front bezel at the tab locations shown below.

  • Page 18: System Board Connections

    System board connections Refer to the following illustration and table to identify the system board connectors for your model. Item System board connector System board label Color Component PCI Express x1 X1PCIEXP3 black Expansion card PCI Express x1 X1PCIEXP2 black Expansion card PCI Express x1 X1PCIEXP1...

  • Page 19: Upgrading System Memory

    Upgrading system memory The computer comes with double data rate 4 synchronous dynamic random access memory (DDR4-SDRAM) dual inline memory modules (DIMMs). The memory sockets on the system board are populated with at least one preinstalled memory module. To achieve the maximum memory support, you can populate the system board with up to 64 GB of memory configured in a high-performing dual-channel mode.
  • Page 20 DIMM and one 1 GB DIMM, and Channel B should be populated with the other two 1 GB DIMMs. With this configuration, 4 GB will run as dual-channel and 1 GB will run as single-channel. In any mode, the maximum operational speed is determined by the slowest DIMM in the system. ●...
  • Page 21 Lift the rear of the drive cage up (1), and then slide the drive cage back (2). Then lift the drive cage (3) out of the chassis. Upgrading system memory...
  • Page 22 Open both latches of the memory module socket (1), and insert the memory module into the socket (2). Press the module down into the socket, ensuring that the module is fully inserted and properly seated. Make sure the latches are in the closed position (3). NOTE: A memory module can be installed in only one way.

  • Page 23: Removing Or Installing An Expansion Card

    Connect the power and data cables to the rear of the drives in the drive cage. Replace the computer access panel. Reconnect the power cord and any external devices, and then turn on the computer. The computer should automatically recognize the additional memory. Lock any security devices that were disengaged when the access panel was removed.
  • Page 24 Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis. Before installing an expansion card, remove the expansion slot cover or the existing expansion card. NOTE: Before removing an installed expansion card, disconnect any cables that may be attached to the expansion card.
  • Page 25 If you are removing a PCI Express x16 card, pull the retention arm (1) on the back of the expansion socket away from the card and carefully rock the card back and forth until the connectors pull free from the socket. Lift the card straight up (2) then away from the inside of the chassis (3) to remove it.
  • Page 26 To install a new expansion card, hold the card just above the expansion socket on the system board then move the card toward the rear of the chassis (1) so that the bottom of the bracket on the card slides into the small slot on the chassis.

  • Page 27: Drive Positions

    Drive positions Drive positions 3.5-inch hard drive bay 2.5-inch hard drive bay 9.5 mm slim optical drive bay 5.25-inch half-height drive bay 2.5-inch hard drive bay NOTE: The drive configuration on your computer may be different than the drive configuration shown above. Drive positions...

  • Page 28: Removing And Installing Drives

    You must install mounting screws for hard drives and 5.25-inch optical drives to ensure the drive will ● line up correctly in the drive cage and lock in place. Mounting screws can be purchased from HP. IMPORTANT: To prevent loss of work and damage to the computer or drive: If you are inserting or removing a drive, shut down the operating system properly, turn off the computer, and unplug the power cord.

  • Page 29: Removing A 5.25-Inch Drive

    Removing a 5.25-inch drive NOTE: All removable media should be taken out of a drive before removing the drive from the computer. Remove/disengage any security devices that prohibit opening the computer. Remove all removable media, such as compact discs or USB flash drives, from the computer. Turn off the computer properly through the operating system, and turn off any external devices.

  • Page 30: Installing A 5.25-Inch Drive

    Push the green drivelock mechanism towards the drive (1), and then slide the drive from the drive bay (2). Installing a 5.25-inch drive Remove/disengage any security devices that prohibit opening the computer. Remove all removable media, such as compact discs or USB flash drives, from the computer. Turn off the computer properly through the operating system, and turn off any external devices.
  • Page 31 If you are installing an optical drive, install four M3 metric mounting screws (not provided) in the lower holes on each side of the drive. NOTE: M3 metric mounting screws can be purchased from HP. If you are replacing a drive, transfer the mounting screws from the old drive to the new drive. IMPORTANT: Use only 5 mm long screws as mounting screws.
  • Page 32 Slide the drive into the drive bay, making sure to align the mounting screws with the mounting slots, until the drive snaps into place. Connect the power cable (1) and data cable (2) to the rear of the optical drive. Connect the opposite end of the data cable to one of the light-blue SATA connectors on the system board.

  • Page 33: Removing A 9.5 Mm Slim Optical Drive

    Removing a 9.5 mm slim optical drive Remove/disengage any security devices that prohibit opening the computer. Remove all removable media, such as compact discs or USB flash drives, from the computer. Turn off the computer properly through the operating system, and turn off any external devices. Disconnect the power cord from the AC outlet and disconnect any external devices.

  • Page 34: Installing A 9.5 Mm Slim Optical Drive

    Push the green release latch on the right rear side of the drive toward the center of the drive (1), and then slide the drive forward and out of the bay (2). Installing a 9.5 mm slim optical drive Remove/disengage any security devices that prohibit opening the computer. Remove all removable media, such as compact discs or USB flash drives, from the computer.
  • Page 35 Align the small pin on the release latch with the small hole on the side of the drive and press the latch firmly onto the drive. Slide the optical drive through the front of the chassis (1) all the way into the bay so that the green latch locks onto the chassis frame (2).

  • Page 36: Removing A 3.5-Inch Hard Drive

    Connect the power cable (1) and data cable (2) to the rear of the optical drive. Connect the opposite end of the data cable to one of the light-blue SATA connectors on the system board. Replace the front bezel if it was removed. Replace the computer access panel.
  • Page 37 Disconnect the power cable (1) and data cable (2) from the rear of the hard drive. Pull the release lever next to the rear of the hard drive outward (1). While pulling the release lever out, lift the rear of the drive up (2), and then slide the front of the drive back and lift it out of the bay (3). Removing and Installing drives...

  • Page 38: Installing A 3.5-Inch Hard Drive

    NOTE: 6-32 mounting screws can be purchased from HP. If you are replacing a drive, transfer the mounting screws from the old drive to the new drive. Install four silver-and-blue 6-32 mounting screws (two on each side of the drive).
  • Page 39 Secure the drive to the bay adapter bracket by installing four black M3 adapter bracket screws – through the underside of the bracket and into the drive. Removing and Installing drives...
  • Page 40 Install four 6-32 silver-and-blue mounting screws in the adapter bracket (two on each side of – the bracket). Align the mounting screws on the front of the hard drive with the slots on the drive cage and press the front of the drive down and forward into the bay (1). Then press the rear of the drive down into the drive bay (2) to lock it in place.

  • Page 41: Removing A 2.5-Inch Hard Drive

    Connect the power cable (1) and data cable (2) to the rear of the hard drive. If installing a new drive, connect the opposite end of the data cable to the appropriate system board connector. NOTE: If the 3.5-inch hard drive is the primary drive, connect the other end of the data cable to the dark-blue SATA connector on the system board labeled SATA0.
  • Page 42 Disconnect the power cable (1) and data cable (2) from the rear of the hard drive. Pull the release lever at the rear of the drive outward (1) and lift the rear of the drive up (2). Then slide the front of the drive back until it stops and pull the drive up and out of the drive bay (3). Chapter 2 Hardware upgrades...

  • Page 43: Installing A 2.5-Inch Hard Drive

    Install four black-and-blue M3 mounting screws (two on each side of the drive). NOTE: M3 metric mounting screws can be purchased from HP. When replacing a drive, transfer the four mounting screws from the old drive to the new drive.
  • Page 44 Align the front mounting screws on the drive with the J-slots on the sides of the drive bay. Press the front of the drive into the drive bay, and then slide the drive forward (1). Then press the rear of the drive down into the drive bay (2) so that the drive is secured in place.

  • Page 45: Removing And Installing An M.2 Ssd Storage Card

    Removing and installing an M.2 SSD storage card NOTE: There is one M.2 SSD socket on the system board. The computer supports 2230 and 2280 M.2 SSD cards. Remove/disengage any security devices that prohibit opening the computer. Remove all removable media, such as compact discs or USB flash drives, from the computer. Turn off the computer properly through the operating system, and turn off any external devices.
  • Page 46 To remove an M.2 SSD card, remove the screw that secures the card (1), lift the end of the card up (2), and then slide the card out of the system board connector (3). To install an M.2 SSD card, slide the pins on the card into the system board connector while holding the card at approximately a 30°...
  • Page 47 Align the pegs on the sides of the drive cage with the slots on the chassis and press the drive cage down (1) into the chassis. Then slide the drive cage forward (2) so that it locks in place. Connect the power and data cables to the rear of the drives in the drive cage. Replace the computer access panel.

  • Page 48: Installing A Security Lock

    Installing a security lock The security locks displayed below and on the following pages can be used to secure the computer. Security cable lock Loop the security cable around a stationary object. Insert the security cable lock into the security cable slot. Then lock it in place with the key. Chapter 2 Hardware upgrades...

  • Page 49: Padlock

    Padlock HP Business PC Security Lock V2 Attach the security cable fastener to a desktop using the appropriate screws for your environment (screws not provided) (1), and then snap the cover onto the base of the cable fastener (2). Installing a security lock...
  • Page 50 Loop the security cable around a stationary object. Slide the security cable through the security cable fastener. Chapter 2 Hardware upgrades...
  • Page 51 Pull the two scissor hands of the monitor lock apart and insert the lock into the security cable slot on the rear of the monitor (1), close the scissor hands together to secure the lock in place (2), and then slide the security cable guide through the center of the monitor lock (3).
  • Page 52 Attach the accessory cable fastener to a desktop using the appropriate screw for your environment (screw not provided) (1), and then place the accessory cables into the base of the fastener (2). Slide the security cable through the holes in the accessory cable fastener. Chapter 2 Hardware upgrades...
  • Page 53 Screw the lock to the chassis using the screw provided. Insert the plug end of the security cable into the lock (1) and push the button in (2) to engage the lock. Use the key provided to disengage the lock. Installing a security lock...

  • Page 54: Front Bezel Security

    When you have completed all steps, all of the devices at your workstation will be secured. Front bezel security The front bezel can be secured in place by installing a 6-32 screw through the front of the chassis into the front bezel.
  • Page 55 Remove the 6-32 security screw from the inside of the front bezel. Replace the front bezel. Install the 6-32 security screw through the front of the chassis and into the screw hole located below the center bezel release tab. Replace the computer access panel. Reconnect the power cord and any external devices, and then turn on the computer.

  • Page 56: Appendix A Battery Replacement

    The lifetime of the lithium battery can be extended by plugging the computer into a live AC outlet. The lithium battery is only used when the computer is NOT connected to AC power. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries. For more information about recycling programs, go to http://www.hp.com/recycle.
  • Page 57 Slide the replacement battery into position, positive side up. The battery holder automatically secures the battery in the proper position. Type 2 To release the battery from its holder, squeeze the metal clamp that extends above one edge of the battery (1). When the battery pops up, lift it out (2).
  • Page 58 To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the positive side up (1). Push the other edge down until the clamp snaps over the other edge of the battery (2). Type 3 Pull back the clip (1) that is holding the battery in place, and remove the battery (2).
  • Page 59 Reset the date and time, your passwords, and any special system setups using Computer Setup. Lock any security devices that were disengaged when the computer access panel was removed.

  • Page 60: Appendix B Electrostatic Discharge

    ● Use a portable field service kit with a folding static-dissipating work mat. ● If you do not have any of the suggested equipment for proper grounding, contact an HP authorized dealer, reseller, or service provider. NOTE: For more information on static electricity, contact an HP authorized dealer, reseller, or service provider.

  • Page 61: Appendix C Computer Operating Guidelines, Routine Care And Shipping Preparation

    Computer operating guidelines, routine care and shipping preparation Computer operating guidelines and routine care Follow these guidelines to properly set up and care for the computer and monitor: Keep the computer away from excessive moisture, direct sunlight, and extremes of heat and cold. ●...

  • Page 62: Optical Drive Precautions

    ● Safety If any object or liquid falls into the drive, immediately unplug the computer and have it checked by an authorized HP service provider. Shipping preparation Follow these suggestions when preparing to ship the computer: Back up the hard drive files to an external storage device. Be sure that the backup media is not exposed to electrical or magnetic impulses while stored or in transit.

  • Page 63: Appendix D Accessibility

    Accessibility HP designs, produces, and markets products and services that can be used by everyone, including people with disabilities, either on a stand-alone basis or with appropriate assistive devices. Supported assistive technologies HP products support a wide variety of operating system assistive technologies and can be configured to work with additional assistive technologies.

  • Page 64: Index

    10 battery replacement 50 security expansion card 17 front bezel 48 M.2 SSD card 39 HP Business PC Security Lock 43 memory 13 computer operating guidelines 55 padlock 43 optical drive 24, 28 security cable lock 42 serial number location 4...

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