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Hardware Reference Guide

HP ProDesk 400 G4 SFF Business PC

Summary of Contents for ProDesk 400 G4

Page 1: ...Hardware Reference Guide HP ProDesk 400 G4 SFF Business PC ...

Page 2: ... of Windows Systems may require upgraded and or separately purchased hardware drivers software or BIOS update to take full advantage of Windows functionality Windows 10 is automatically updated which is always enabled ISP fees may apply and additional requirements may apply over time for updates See http www microsoft com To access the latest user guides or manuals for your product go to http www ...

Page 3: ...ther hard surface such as an adjoining optional printer or a soft surface such as pillows or rugs or clothing to block airflow Also do not allow the AC adapter to come into contact with the skin or a soft surface such as pillows or rugs or clothing during operation The computer and the AC adapter comply with the user accessible surface temperature limits defined by the International Standard for S...

Page 4: ...iv Safety warning notice ...

Page 5: ...n this manner indicates that failure to follow directions could result in bodily harm or loss of life CAUTION Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information NOTE Text set off in this manner provides important supplemental information v ...

Page 6: ...vi About This Book ...

Page 7: ...g from desktop to tower configuration 9 System board connectors 10 Installing additional memory 11 DIMMs 11 DDR4 SDRAM DIMMs 11 Populating DIMM sockets 11 Installing DIMMs 12 Removing or installing an expansion card 18 Drive positions 21 Removing and installing drives 22 Removing a 9 5 mm slim optical drive 23 Installing a 9 5 mm slim optical drive 24 Removing and replacing a hard drive 26 Install...

Page 8: ... care and shipping preparation 42 Computer operating guidelines and routine care 42 Optical drive precautions 43 Operation 43 Cleaning 43 Safety 43 Shipping preparation 43 Appendix D Accessibility 44 Supported assistive technologies 44 Contacting support 44 Index 45 viii ...

Page 9: ...ng 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 NOTE This computer model can be used in a tower orientation or a desktop orientation Standard configuration features 1 ...

Page 10: ...2 0 port with HP Sleep and Charge This port connects a USB device provides high speed data transfer and even when the computer is off charges products such as a cell phone camera activity tracker or smartwatch NOTE When a device is plugged into the combo jack a dialog box will open asking if you want to use the connector for a microphone line in device or a headphone You can reconfigure the connec...

Page 11: ...Manager icon in the Windows taskbar When a graphics card is installed in one of the system board slots the video connectors on the graphics card and the integrated graphics on the system board may be used at the same time However for such a configuration only the display connected to the discrete graphics card will display POST messages The system board graphics can be disabled by changing setting...

Page 12: ...t that is easily accessible at all times To reduce the risk of serious injury read the Safety Comfort Guide It describes proper workstation setup and proper posture health and work habits for computer users 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 movi...

Page 13: ...ing system then turn off any external devices 4 Disconnect the power cord from the power outlet and disconnect any external devices CAUTION Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet You must disconnect the power cord to avoid damage to the internal components of the computer 5 Loosen the thumbscrew on th...

Page 14: ...Replacing the computer access panel Place the panel on the computer 1 slide it forward 2 and tighten the thumbscrew 3 to secure the panel in place 6 Chapter 2 Hardware upgrades ...

Page 15: ...AUTION Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet You must disconnect the power cord to avoid damage to the internal components of the computer 5 Remove the computer access panel See Removing the computer access panel on page 5 6 Lift up the four tabs on the top side of the bezel 1 and then rotate the bez...

Page 16: ... See Removing the computer access panel on page 5 and Removing the front bezel on page 7 2 To remove a slim optical drive bezel blank press inward on the two retaining tabs 1 and pull the blank off the front bezel 2 Replacing the front bezel Insert the three hooks on the bottom side of the bezel into the rectangular holes on the chassis 1 and then rotate the top side of the bezel onto the chassis ...

Page 17: ...r on state voltage is always present on the system board as long as the system is plugged into an active AC outlet You must disconnect the power cord to avoid damage to the internal components of the computer 5 Orient the computer so that its right side is facing down and place the computer in the optional stand NOTE To stabilize the computer in a tower orientation HP recommends the use of the opt...

Page 18: ... System Board Label Color Component 1 PCI Express x16 X16PCIEXP Black Expansion Card 2 PCI Express x4 X4PCIEXP Black Expansion Card 3 Battery BAT Black Memory Module 4 DIMM2 DIMM2 White Memory Module 5 DIMM1 DIMM1 White Memory Module 6 SATA 3 0 SATA0 Dark blue Primary Hard Drive 7 SATA 3 0 SATA1 Light blue Optical Drive 10 Chapter 2 Hardware upgrades ...

Page 19: ...re not supported NOTE The system will not operate properly if you install unsupported DIMMs Populating DIMM sockets There are two DIMM sockets on the system board with one socket per channel The sockets are labeled DIMM1 and DIMM3 Socket DIMM1 operates in memory channel B Socket DIMM3 operates in memory channel A The system will automatically operate in single channel mode dual channel mode or fle...

Page 20: ...ou are discharged of static electricity by briefly touching a grounded metal object For more information refer to Electrostatic discharge on page 41 When handling a memory module be careful not to touch any of the contacts Doing so may damage the module 1 Remove disengage any security devices that prohibit opening the computer 2 Remove all removable media such as compact discs or USB flash drives ...

Page 21: ...nect the power cable 1 and data cable 2 from the rear of the optical drive 7 Press the release lever on the back of the drive 1 and then slide the drive through the front bezel 2 Installing additional memory 13 ...

Page 22: ...and power cable 2 from the rear of the hard drive 9 Press inward on the drive cage release latch 1 rotate the drive cage up 2 and then slide the tabs on the side of the drive cage out of the chassis 3 14 Chapter 2 Hardware upgrades ...

Page 23: ...ch the notch on the module with the tab on the memory socket For maximum performance populate the sockets so that the memory capacity is spread as equally as possible between Channel A and Channel B Refer to Populating DIMM sockets on page 11 for more information 11 Hold the drive cage at an angle and insert the tabs on the side of the drive cage into the slots on the chassis 1 and then lower the ...

Page 24: ...nnect the power cable 1 and data cable 2 to the rear of the hard drive 13 Slide the optical drive through the front bezel all the way into the bay 1 so that it locks in place 2 16 Chapter 2 Hardware upgrades ...

Page 25: ...ce the access panel 16 Reconnect the power cord and any external devices then turn on the computer The computer should automatically recognize the additional memory 17 Lock any security devices that were disengaged when the access panel was removed Installing additional memory 17 ...

Page 26: ...ardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet You must disconnect the power cord to avoid damage to the internal components of the computer 5 Remove the computer access panel See Removing the computer access panel on page 5 6 Locate the correct vacant expansion socket on the system board and the corresponding e...

Page 27: ...ard at each end and carefully rock it back and forth until the connectors pull free from the socket Pull the expansion card straight up from the socket 1 then remove the card from the expansion slot cover tray 2 Removing or installing an expansion card 19 ...

Page 28: ...removing an expansion card you must replace it with a new card or expansion slot cover for proper cooling of internal components during operation 11 To install a new expansion card hold the card just above the expansion socket on the system board and then move the card toward the rear of the chassis 1 so that the bracket on the card is aligned with the open slot on the rear of the chassis Press th...

Page 29: ...d and any external devices then turn on the computer 16 Lock any security devices that were disengaged when the access panel was removed 17 Reconfigure the computer if necessary Drive positions 1 Hard drive bay 2 9 5 mm slim optical drive bay NOTE The drive configuration on your computer may be different than the drive configuration shown above To verify the type and size of the storage devices in...

Page 30: ... cord Do not remove a drive while the computer is on or in standby mode Before handling a drive ensure that you are discharged of static electricity While handling a drive avoid touching the connector For more information about preventing electrostatic damage refer to Electrostatic discharge on page 41 Handle a drive carefully do not drop it Do not use excessive force when inserting a drive Avoid ...

Page 31: ...the power cord from the power outlet and disconnect any external devices CAUTION Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet You must disconnect the power cord to avoid damage to the internal components of the computer 5 Remove the computer access panel See Removing the computer access panel on page 5 6 Di...

Page 32: ...e is always present on the system board as long as the system is plugged into an active AC outlet You must disconnect the power cord to avoid damage to the internal components of the computer 5 Remove the computer access panel See Removing the computer access panel on page 5 6 Remove the front bezel if you are installing a drive in a bay covered by a bezel blank and then remove the bezel blank See...

Page 33: ...lue SATA connector on the system board labeled SATA1 NOTE Refer to System board connectors on page 10 for an illustration of the system board drive connectors 11 Replace the front bezel if it was removed 12 Replace the computer access panel 13 Reconnect the power cord and any external devices then turn on the computer 14 Lock any security devices that were disengaged when the access panel was remo...

Page 34: ...al devices 4 Disconnect the power cord from the power outlet and disconnect any external devices CAUTION Regardless of the power on state voltage is always present on the system board as long as the system is plugged into an active AC outlet You must disconnect the power cord to avoid damage to the internal components of the computer 5 Remove the computer access panel See Removing the computer acc...

Page 35: ...rotate the drive cage up 2 and then slide the tabs on the side of the drive cage out of the chassis 3 10 Remove the hard drive from the drive cage If you are removing a 3 5 inch hard drive remove the four screws that secure the drive to the drive cage 1 and then slide the drive out of the cage 2 Removing and installing drives 27 ...

Page 36: ...e the drive 2 11 Install the new drive in the drive cage If you are installing a 3 5 inch hard drive slide the drive into the drive cage 1 and secure the drive with four 6 32 standard screws NOTE The four screw holes for the 3 5 inch hard drive are stamped A on the top of the drive cage 28 Chapter 2 Hardware upgrades ...

Page 37: ...nch hard drive slide the drive into the drive cage 1 and secure the drive with four M3 metric screws NOTE The four screw holes for the 2 5 inch hard drive are stamped B on the top of the drive cage Removing and installing drives 29 ...

Page 38: ...he side of the drive cage into the slots on the chassis 1 and then lower the other side of the drive cage down so that the latch snaps onto the chassis 2 13 Connect the power cable 1 and data cable 2 to the rear of the hard drive 30 Chapter 2 Hardware upgrades ...

Page 39: ...ace 2 15 Connect the power cable 1 and data cable 2 to the rear of the drive 16 Replace the access panel 17 Reconnect the power cord and any external devices then turn on the computer 18 Lock any security devices that were disengaged when the access panel was removed Removing and installing drives 31 ...

Page 40: ...Installing a security lock The security locks displayed below and on the following pages can be used to secure the computer Security cable lock Padlock 32 Chapter 2 Hardware upgrades ...

Page 41: ...ty 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 NOTE This step is not necessary if you looped the security cable around a stationary object as shown in step 1 Installing a security lock 33 ...

Page 42: ... 1 4 If your workstation configuration includes a monitor that you want to secure pull the two scissor hands of the monitor lock apart and insert the lock into the security slot on the rear of the monitor 1 close the scissor hands together to secure the lock in place 2 and then slide the cable guide through the center of the monitor lock 3 34 Chapter 2 Hardware upgrades ...

Page 43: ...guide installed on the monitor 6 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 Installing a security lock 35 ...

Page 44: ...7 Slide the security cable through the holes in the accessory cable fastener 8 Screw the lock to the chassis using the screw provided 36 Chapter 2 Hardware upgrades ...

Page 45: ...rity cable into the lock 1 and push the button in 2 to engage the lock Use the key provided to disengage the lock 10 When you have completed all steps all of the devices at your workstation will be secured Installing a security lock 37 ...

Page 46: ...mputer into a live AC wall socket 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 1 Remove disengage any security devices that prohibit opening the computer 2 Remove all remova...

Page 47: ...he metal clamp that extends above one edge of the battery When the battery pops up lift it out 1 b To insert the new battery slide one edge of the replacement battery under the holder s lip with the positive side up Push the other edge down until the clamp snaps over the other edge of the battery 2 Type 3 a Pull back on the clip 1 that is holding the battery in place and remove the battery 2 39 ...

Page 48: ... procedure 9 Replace the computer access panel 10 Reconnect the power cord and any external devices then turn on the computer 11 Reset the date and time your passwords and any special system setups using Computer Setup 12 Lock any security devices that were disengaged when the computer access panel was removed 40 Appendix A Battery replacement ...

Page 49: ... several methods for grounding Use one or more of the following methods when handling or installing electrostatic sensitive parts Use a wrist strap connected by a ground cord to a grounded workstation or computer chassis Wrist straps are flexible straps with a minimum of 1 megohm 10 percent resistance in the ground cords To provide proper ground wear the strap snug against the skin Use heelstraps ...

Page 50: ...stack computers on top of each other or place computers so near each other that they are subject to each other s re circulated or preheated air If the computer is to be operated within a separate enclosure intake and exhaust ventilation must be provided on the enclosure and the same operating guidelines listed above will still apply Keep liquids away from the computer and keyboard Never cover the ...

Page 51: ...zene which may damage the finish 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 1 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 whi...

Page 52: ...ion about a particular assistive technology product contact customer support for that product Contacting support We are constantly refining the accessibility of our products and services and welcome feedback from users If you have an issue with a product or would like to tell us about accessibility features that have helped you please contact us at 888 259 5707 Monday through Friday 6 a m to 9 p m...

Page 53: ...ss panel 6 drive cables 22 expansion card 18 hard drive 26 memory 11 optical drive 24 L locks cable lock 32 HP Business PC Security Lock 33 padlock 32 M memory installation 11 socket population 11 specifications 11 O optical drive cleaning 43 installation 24 precautions 43 removal 23 P product ID location 3 R rear panel components 3 removing battery 38 computer access panel 5 expansion card 18 fro...

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