HP ProDesk 400 G3 Base Model Microtower PC User Manual

Hardware Reference GuideHP ProDesk 400 G3 MT Business PC

Serial number locationEach computer has a unique serial number and a product ID number that are located on the exterior of thecomputer. Keep these num

2 Hardware upgradesServiceability featuresThe computer includes features that make it easy to upgrade and service. A Torx T15 or flathead screwdriveri

Removing the computer access panelTo access internal components, you must remove the access panel:1. Remove/disengage any security devices that prohib

Replacing the computer access panelPlace the panel on the computer (1), and then slide it forward (2) and tighten the thumbscrew (3) to securethe pane

Removing the front bezel1. Remove/disengage any security devices that prohibit opening the computer.2. Remove all removable media, such as compact dis

Removing an optical drive bezel blankOn some models, there is a bezel blank covering the slim optical drive bay. Remove the bezel blank beforeinstalli

System board connectionsRefer to the following illustration and table to identify the system board connectors for your model.No. System Board Connecto

Installing additional memoryThe computer comes with double data rate 4 synchronous dynamic random access memory (DDR4-SDRAM)dual inline memory modules

assigned to single channel. If one channel will have more memory than the other, the larger amountshould be assigned to Channel A.●In any mode, the ma

6. Open both latches of the memory module socket (1), and insert the memory module into the socket (2).NOTE: A memory module can be installed in only

© Copyright 2015 HP Development Company,L.P.Microsoft and Windows are either registeredtrademarks or trademarks of MicrosoftCorporation in the United

Removing or installing an expansion cardThe computer has three PCI Express x1 expansion sockets and one PCI Express x16 expansion socket.NOTE: You can

b. If you are removing a PCI Express x1 card, hold the card at each end and carefully rock it back andforth until the connectors pull free from the so

c. If you are removing a PCI Express x16 card, pull the retention arm on the back of the expansionsocket away from the card and carefully rock the car

12. Press the expansion card retention latch against the back of the chassis (1) and slide it down (2) so thatthe tabs on the back of the latch slide

Drive positions1 9.5mm slim optical drive bay2 3.5-inch internal hard drive bay3 2.5-inch internal hard drive bay4 3.5-inch internal hard drive bayNOT

Removing and Installing drivesWhen installing drives, follow these guidelines:●The primary Serial ATA (SATA) hard drive must be connected to the dark

Removing a 9.5mm slim optical drive1. Remove/disengage any security devices that prohibit opening the computer.2. Remove all removable media, such as

7. Push the green release latch on the right rear side of the drive inward (1) and slide the drive out of thedrive bay (2).Installing a 9.5mm slim opt

8. Align the small pin on the release latch with the small hole on the side of the drive and press the latchfirmly onto the drive.9. Slide the optical

10. Connect the power cable (1) and data cable (2) to the rear of the optical drive.11. If installing a new drive, connect the opposite end of the dat

About This BookThis guide provides basic information for upgrading the HP ProDesk Business PC.WARNING! Text set off in this manner indicates that fail

6. Disconnect the data cable (1) and power cable (2) from the rear of the hard drive, and then remove thefour 6-32 mounting screws (3) and slide the d

6. Slide the drive into the drive bay (1) and install the four 6-32 mounting screws (2) to secure the drive inplace. Connect the data cable (3) and po

6. Disconnect the data cable (1) and power cable (2) from the rear of the hard drive, and then remove thefour 6-32 mounting screws (3) and slide the d

6. Slide the drive into the drive bay (1) and install the four 6-32 mounting screws (2) to secure the drive inplace. Connect the data cable (3) and po

Installing a security lockThe security locks displayed below and on the following page can be used to secure the computer.Cable lockPadlock28 Chapter

HP Business PC Security Lock V21. Attach the security cable fastener to a desktop using the appropriate screws for your environment(screws not provide

3. Slide the security cable through the security cable fastener.4. Pull the two scissor hands of the monitor lock apart and insert the lock into the s

5. Slide the security cable through the security guide installed on the monitor.6. Attach the accessory cable fastener to a desktop using the appropri

7. Slide the security cable through the holes in the accessory cable fastener.8. Remove the thumbscrew from the rear of the chassis and screw the lock

9. When you have completed all steps, all of the devices at your workstation will be secured.Installing a security lock 33

iv About This Book

A Battery replacementThe battery installed on the computer provides power to the real-time clock. When replacing the battery, usea battery equivalent

b. Slide the replacement battery into position, positive side up. The battery holder automaticallysecures the battery in the proper position.Type 2a.

b. Insert the new battery and position the clip back into place.NOTE: After the battery has been replaced, use the following steps to complete this pr

B Electrostatic dischargeA discharge of static electricity from a finger or other conductor may damage system boards or other static-sensitive devices

C Computer operating guidelines, routinecare and shipping preparationComputer operating guidelines and routine careFollow these guidelines to properly

Optical drive precautionsBe sure to observe the following guidelines while operating or cleaning the optical drive.Operation●Do not move the drive dur

D AccessibilityHP designs, produces, and markets products and services that can be used by everyone, including peoplewith disabilities, either on a st

IndexAaccess panelremoval 6replacement 7accessibility 40Bbattery replacement 34Ccomputer operating guidelines 38DDIMMs. See memorydrivescable connecti

Table of contents1 Product features ...

Appendix B Electrostatic discharge ...

1 Product featuresStandard configuration featuresFeatures may vary depending on the model. For support assistance and to learn more about the hardware

Front panel componentsDrive configuration may vary by model. Some models have a bezel blank covering the optical drive bay.1 Slim Optical Drive (optio

Rear panel components1 Line-In Audio Connector (blue) 7 USB 3.0 Ports (blue)2RJ-45 Network Connector 8 USB 2.0 Ports (black)3Serial Connector 9 USB 2.