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Dell OptiPlex 7450 All-In-One Owner's Manual
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Dell OptiPlex 7450 All-In-One Owner's Manual

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Dell OptiPlex 7450 All-In-One
Owner's Manual
Regulatory Model: W11C
Regulatory Type: W11C002
June 2023
Rev. A02

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Summary of Contents for Dell OptiPlex 7450 All-In-One

  • Page 1 Dell OptiPlex 7450 All-In-One Owner's Manual Regulatory Model: W11C Regulatory Type: W11C002 June 2023 Rev. A02...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2017- 2023 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Contents Chapter 1: Working on your computer....................7 Before working inside your computer..........................7 Safety instructions................................7 Recommended tools................................8 Turning off your computer..............................8 Turning off your computer............................8 Turning off your — Windows............................. 9 After working inside your computer..........................9 Important Information................................
  • Page 4 Installing the memory module...........................26 Solid State Drive ................................27 Removing the SSD card............................. 27 Installing the SSD card............................... 27 Coin-cell battery................................28 Removing the coin cell battery..........................28 Installing the coin cell battery...........................28 WLAN card..................................28 Removing the WLAN card............................28 Installing the WLAN card............................29 Heat sink ....................................
  • Page 5 Intel®Optane Memory Module Driver Requirements..................49 Installing M.2 Intel Optane Memory Module 16 GB....................49 Product specifications..............................51 Environmental Conditions............................... 52 Troubleshooting................................. 52 Chapter 5: Technology and components..................54 Chipsets....................................54 Identifying the chipset in Device Manager on Windows 10................54 Storage options................................. 54 Identifying the hard drive in Windows 10......................
  • Page 6 Audio specifications................................74 Communication specifications............................75 Cards specifications................................75 Display specifications............................... 75 Drives specifications.................................75 Port and connector specifications..........................75 Power specifications.................................76 Camera specifications - optional........................... 76 VESA wall mount ................................76 Physical specifications..............................77 Environmental specifications............................77 Chapter 9: Contacting Dell......................78 Contents...

  • Page 7: Chapter 1: Working On Your Computer

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

  • Page 8: Recommended Tools

    tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned. NOTE: Disconnect all power sources before opening the computer cover or panels. After you finish working inside the computer, replace all covers, panels, and screws before connecting to the power source.

  • Page 9: Turning Off Your - Windows

    Turning off your — Windows CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer . 1. Click or tap 2. Click or tap and then click or tap Shut down. NOTE: Ensure that the computer and all attached devices are turned off.

  • Page 10: Chapter 2: Chassis Overview

    Rear View System front chassis view 1. Camera 2. Camera status light 3. Power status light NOTE: For more information on ports and connectors, go to www.dell.com/support and search for OptiPlex 5250 AIO: Visual Guide to your computer. Chassis overview...

  • Page 11: System Left Chassis View

    System left chassis view 1. Media card reader 2. USB 3.1 Gen 1-port Type C 3. USB 3.1 port with PowerShare 4. Headset Connector Chassis overview...

  • Page 12: System Right Chassis View

    System right chassis view 1. Optical drive 2. On Screen Display (OSD) buttons 3. On Screen Display (OSD) buttons 4. On Screen Display (OSD) buttons 5. Hard drive status light 6. Power button power light 7. Stand Chassis overview...

  • Page 13: System Top Chassis View

    System top chassis view 1. Microphone 2. Camera privacy latch 3. Microphone Chassis overview...

  • Page 14: Rear View

    Rear View 1. Power connecting port. 2. RJ45 network port. 3. USB 2.0 4. HDMI IN 5. USB 3.0 6. HDMI OUT 7. Display port 8. Audio Output Chassis overview...

  • Page 15: Chapter 3: Disassembly And Reassembly

    Disassembly and reassembly Topics: • Stand • Cable cover • Side Cover • Optical drive • Power and On-Screen Display buttons board • Speaker cover • Hard drive • System board shield • Memory modules • Solid State Drive • Coin-cell battery •...
  • Page 16 Figure 1. Height Adjustable Stand Figure 2. Fix stand Disassembly and reassembly...

  • Page 17: Installing The Stand

    Figure 3. Articulate stand Installing the stand 1. Place the computer on a clean, flat surface and align the stand, and then slide it on the back of the computer. 2. Press the stand down till it snaps in. 3. Follow the procedure in After working inside your computer.

  • Page 18: Installing The Cable Cover

    Installing the cable cover 1. Align the notches on the cable cover to the holes on the computer and press the cable cover until it snaps in. 2. Tighten the screw to secure the cable cover to the computer. 3. Install the stand. 4.

  • Page 19: Installing The Back Cover

    4. Lift the back cover from the computer. Installing the back cover 1. Align the notches on the back cover to the holes on the computer, and press the back cover until it snaps in. 2. Install the: cable cover stand Disassembly and reassembly...

  • Page 20: Optical Drive

    3. Follow the procedure in After working inside your computer. Optical drive Removing the optical drive assembly 1. Follow the procedure in Before working inside your computer. 2. Remove the: stand back cover 3. To remove the optical drive assembly: a.

  • Page 21: Installing The Optical Drive Assembly

    Installing the optical drive assembly 1. Place the bracket to align the screw holders on the optical drive. 2. Tighten the screws to secure the bracket to the optical drive. 3. Insert the optical drive assembly into the drive slot, until it snaps in. 4.

  • Page 22: Installing The Osd Buttons Board

    Installing the OSD buttons board 1. Connect the cable to the OSD buttons board. 2. Affix the tape on the OSD buttons board. 3. Insert the OSD buttons board into the slot. 4. Align the metal plate on the OSD buttons board. 5.

  • Page 23: Installing The Speaker Cover

    4. Pull and remove the speaker cover from the computer. NOTE: To avoid damage to the back cover, release it from the pull tabs. Installing the speaker cover 1. Align and push the speaker cover to pop tabs into its position on the back of the computer. 2.

  • Page 24: Hard Drive

    Hard drive Removing the hard drive assembly 1. Follow the procedure in Before working inside your computer. 2. Remove the: stand back cover 3. To remove the hard drive assembly: a. Press the tab on the bracket, and slide the hard-drive assembly until the tabs are released from either side of the assembly [1].

  • Page 25: Installing The Hard Drive Assembly

    Installing the hard drive assembly 1. Align the hard drive until the notches are aligned and the hard drive is secured in the bracket. 2. Place the hard drive onto the hard drive cage until the notches are aligned, then slide the Hard Drive assembly until the tab locks into the cage.

  • Page 26: Memory Modules

    3. Follow the procedure in After working inside your computer. Memory modules Removing the memory module 1. Follow the procedure in Before working inside your computer. 2. Remove the: stand back cover system board shield 3. To remove the memory module: a.

  • Page 27: Solid State Drive

    Solid State Drive Removing the SSD card 1. Follow the procedure in Before working inside your computer. 2. Remove the: stand back cover system board shield 3. To remove the SSD card: a. Remove the screw that secures the SSD card to the computer [1]. NOTE: System is shipped with 2.5 inch SATA drive on the ODD drive port (Optional).

  • Page 28: Coin-Cell Battery

    Coin-cell battery Removing the coin cell battery 1. Follow the procedure in Before working inside your computer. 2. Remove the: stand back cover system board shield 3. Press the latch to release the coin cell battery and remove it from the computer. Installing the coin cell battery 1.

  • Page 29: Installing The Wlan Card

    back cover system board shield 3. To remove the WLAN card: a. Disconnect the antenna cables from the connectors on the WLAN card [1]. b. Remove the screw that secures the WLAN card to the system board [2]. c. Hold the WLAN card and pull it from the connector on the system board [3]. Installing the WLAN card 1.

  • Page 30: Installing The Heat Sink

    b. Lift the heat sink away from the computer [3]. Installing the heat sink 1. Align and place the heat sink in the slot. 2. Tighten the screws to secure the heat sink to the computer. 3. Install the: system board shield back cover stand 4.

  • Page 31: Installing The Speaker Module

    4. To remove the speaker module: a. Remove the screws that secure the speaker module to the chassis [1]. b. Lift the speaker module and remove it from the chassis [2]. Installing the speaker module 1. Insert the speaker module into the slot on the chassis. 2.

  • Page 32: Power Supply Unit

    3. Secure the speaker cables through the retention clips. 4. Connect the speaker cable to the connector on the system board. 5. Install the: system board shield speaker cover back cover cable cover stand 6. Follow the procedure in After working inside your computer.
  • Page 33 ● NOTE: There is an additional cable retention clip on the side of the VESA mount bracket. The PSU near that is not visible in the removing cables from retention clips image. a. Remove the screw that secures the power supply socket to the chassis [1]. b.

  • Page 34: Installing The Power Supply Unit - Psu

    Installing the Power Supply Unit - PSU 1. Place the PSU on the chassis. 2. Tighten the screw to secure the PSU to the chassis. 3. Place the power supply socket in the slot on the chassis. 4. Tighten the screw to secure the power supply socket to the chassis. 5.

  • Page 35: Installing The Vesa Mount Bracket

    3. To remove the VESA mount bracket: a. Remove the screws that secure the VESA mount bracket to the computer [1]. b. Lift the bracket away from the computer [2]. Installing the VESA mount bracket 1. Align and place the bracket in the slot on the computer. 2.

  • Page 36: Installing The Converter Board

    VESA mount bracket 3. To remove the converter board: a. Disconnect the convertor board cable from the converter board [1]. b. Disconnect the display backlight cable from the converter board [2]. c. Remove the screws that secure the converter board to the computer [3]. d.

  • Page 37: Installing The System Fan

    back cover cable cover speaker cover system board shield power supply unit VESA mount bracket 3. To remove the system fan: a. Disconnect the system fan cable from the connector on the system board [1]. b. Remove the screws that secure the system fan to the computer [2]. c.

  • Page 38: Intrusion Switch

    Intrusion switch Removing the intrusion switch 1. Follow the procedure in Before working inside your computer. 2. Remove the: stand back cover cable cover speaker cover system board shield power supply unit VESA mount bracket 3. To remove the intrusion switch: a.

  • Page 39: Installing The Intrusion Switch

    Installing the intrusion switch 1. Place the intrusion switch in the slot on the computer. 2. Tighten the screw to secure the intrusion switch to the chassis. 3. Route intrusion switch cable along the retention clips on the chassis. 4. Connect the intrusion switch cable to the connector on the system board. 5.

  • Page 40: Installing The Processor

    CAUTION: The processor socket pins are fragile and can be permanently damaged. Be careful not to bend the pins in the processor socket when removing the processor out of the socket. c. Lift the processor out of the socket [3]. NOTE: After removing the processor, place it in an antistatic container for reuse, return, or temporary storage.
  • Page 41 speaker cover speaker hard drive optical drive VESA mount bracket system board shield SSD card WLAN card memory heat sink system fan processor coin cell battery power supply unit 3. Disconnect the following cables from the system board: a. intrusion switch [1] b.

  • Page 42: Installing The System Board

    Installing the system board 1. Place the system board on the computer. 2. Connect all the cables to the system board. 3. Tighten the screws to secure the system board to the base panel. 4. Install the: power supply unit coin cell battery system fan processor...

  • Page 43: System Board Layout

    System board layout 1. LVDS connector 2. Camera connector 3. Antenna wire clip 4. WLAN connector 5. Jumper connector 6. Coin cell battery 7. Speaker connector 8. Memory module connector 9. Jumper connector 10. M.2 SSD slot 11. Optical drive connector 12.
  • Page 44 speaker cover speaker hard drive optical drive VESA mount bracket system board shield SSD card WLAN card memory heat sink system fan processor coin cell battery power supply unit system board 3. Unroute the cables though the retention clips. 4. To remove the chassis frame: ●...

  • Page 45: Installing The Chassis Frame

    Installing the chassis frame 1. Place the chassis frame on the computer. 2. Tighten the screws to secure the chassis frame to the computer. 3. Affix the adhesive tapes to secure the chassis frame to the computer. 4. Install the: system board power supply unit coin cell battery...

  • Page 46: Installing The Display Panel

    stand back cover cable cover speaker cover speaker hard drive optical drive VESA mount bracket system board shield SSD card WLAN card memory heat sink system fan processor coin cell battery power supply unit system board chassis frame 3. To remove the display panel: a.

  • Page 47: Camera

    SSD card VESA mount bracket optical drive hard drive cable cover speaker speaker cover back cover stand 5. Follow the procedure in After working inside your computer. Camera Removing camera module 1. Follow the procedure in Before working inside your computer.

  • Page 48: Installing Camera Module

    Installing camera module 1. Align and place the camera module on the display frame on the computer. 2. Connect the camera cable. 3. Tighten the M3.5x5 screws to secure the camera module to the computer. 4. Install the: chassis frame system board VESA mount bracket speaker...

  • Page 49: Chapter 4: M.2 Intel Optane Memory Module 16 Gb

    M.2 Intel Optane Memory Module 16 GB Topics: • Overview • Intel®OptaneTM Memory Module Driver Requirements • Installing M.2 Intel Optane Memory Module 16 GB • Product specifications • Environmental Conditions • Troubleshooting Overview This document describes the specifications and capabilities of the Intel® Optane memory module.
  • Page 50 back cover system board shield 3. To remove M.2 Intel optane memory module:: a. Remove white adhesive tape from the box. b. Place the M.2 Intel optane memory module into the slot on the computer. c. Tighten the screw that secures the M.2 Intel optane memory module on the computer. M.2 Intel Optane Memory Module 16 GB...

  • Page 51: Product Specifications

    Product specifications Table 2. Product specifications Features Specification Capacities 16 GB, 32 GB Expansion cards PCIe 3.0 x 2 M.2 form factors (all densities) 2280–S3–B-M Performace ● Seq R/W: Up to 1350/290 MS/s ● QD4 4HB Random Read: 240K + IOPs ●...

  • Page 52: Environmental Conditions

    Environmental Conditions Table 3. Temperature, Shock, Vibration Temperature M.2 2280 form factor Operating 0–70º C Non-operating -10–85º C Temperature Gradient 30º C/hr (Typical) Operating 30º C/hr (Typical) Non-operating Humidity 5–95% Operating 5–95% Non-operating Shock and Vibration Range Shock 1500 G / 0.5 ms Operating 230 G / 3 msec Non-operating...
  • Page 53 M.2 Intel Optane Memory Module 16 GB...

  • Page 54: Chapter 5: Technology And Components

    Technology and components This chapter details the technology and components available in the system. Topics: • Chipsets • Storage options • Memory configurations • DDR4 Chipsets All laptops or notebook communicate with the CPU through the chipset. This laptop is shipped with the Intel Mobile CM238 . Identifying the chipset in Device Manager on Windows 10 1.

  • Page 55: Identifying The Hard Drive In Windows 10

    Entering BIOS setup 1. Turn on or restart your laptop. 2. When the Dell logo appears, perform the following action to enter the BIOS setup program: Tap F2 until the Entering BIOS setup message appears. Hard drive is listed under the System Information under the General group.
  • Page 56 random-access memory is keyed differently from both SDRAM and DDR to prevent the user from installing the wrong type of memory into the system. DDR4 needs 20 percent less or just 1.2 volts, compared to DDR3 which requires 1.5 volts of electrical power to operate. DDR4 also supports a new, deep power-down mode that allows the host device to go into standby without needing to refresh its memory.
  • Page 57 The key notch on a DDR4 module is in a different location from the key notch on a DDR3 module. Both notches are on the insertion edge, but the notch location on the DDR4 is slightly different, to prevent the module from being installed into an incompatible board or platform.

  • Page 58: Chapter 6: System Setup

    Boot sequence enables you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self-Test (POST), when the Dell logo appears, you can: ● Access System Setup by pressing F2 key ●...

  • Page 59: System Setup Options

    Keys Navigation Moves to the previous page until you view the main screen. Pressing Esc in the main screen displays a message that prompts you to save any unsaved changes and restarts the system. System setup options NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not appear. System setup options NOTE: Depending on the and its installed devices, the items listed in this section may or may not appear.

  • Page 60: System Configuration Screen Options

    System configuration screen options Option Description Integrated NIC If you enable UEFI network stack, UEFI network protocols will be available. UEFI network allows pre-os and early os networking features to use NICs that are enabled. This may be used without PXE turned on.

  • Page 61: Security Screen Options

    Option Description OSD Button This field allows you to enable or disable the OSD (On-Screen Display) buttons on the All-In-One system. Management This option is disabled by default. Touchscreen This option allows you to enable or disable touchscreen. Miscellaneous Allows you to enable or disable the following devices: Devices ●...

  • Page 62: Secure Boot Screen Options

    Option Description NOTE: Activation, deactivation, and clear options are not affected if you load the setup program's default values. Changes to this option take effect immediately. Computrace Allows you to activate or disable the optional Computrace software The options are: ●...

  • Page 63: Intel Software Guard Extensions Options

    Intel Software Guard Extensions options Option Description Intel SGX Enable Allows you to enable or disable the Intel Software Guard Extensions to provide a secured environment for running code/storing sensitive information in the context of the main operating system. ● Disabled (default) ●...

  • Page 64: Post Behavior Screen Options

    Option Description NOTE: This feature does not work if you turn off your computer using the switch on a power strip or surge protector or if Auto Power is set to disabled. Deep Sleep Allows you to define the controls when Deep Sleep is enabled. Control ●...

  • Page 65: Virtualization Support Screen Options

    Follow the procedure to recover BIOS from hard drive. 1. Power on the system. 2. While the blue Dell logo is visible, press the F2 key to enter the System Setup. 3. Press the Num Lock key, and verify that the Num Lock light is on.

  • Page 66: Updating The Bios

    It is recommended to update your BIOS (system setup), on replacing the system board or if an update is available. 1. Re-start the computer. 2. Go to dell.com/support. 3. Enter the Service Tag or Express Service Code and click Submit.

  • Page 67: Deleting Or Changing An Existing System Setup Password

    Use the following guidelines to assign the system password: ● A password can have up to 32 characters. ● The password can contain the numbers 0 through 9. ● Only lower case letters are valid, upper case letters are not allowed. ●...

  • Page 68: Chapter 7: Troubleshooting Your Computer

    LCD built in self test - BIST All-in-One (AIO) systems supports LCD BIST similar to any other Dell systems that have BIST test implemented. It allows the user to isolate the LCD during troubleshooting to determine which sub-system is at fault. The main difference is the lack of an integrated keyboard scan controller in the AIO.
  • Page 69 emitted for user's observation. This pattern will go by sequence through this pattern. Black-White-Red-Green-Blue or a White- Black-Red-Green-Blue where each pattern is emitted for 2 to 3 seconds. The following images displays the pattern of the colors on the LCD. Troubleshooting your computer...
  • Page 70 Troubleshooting your computer...
  • Page 71 Invoking BIST with user modes There are two methods to invoke the LCD BIST . ● OSD Toggle ● ePSA OSD toggle The first method of user initiation is via OSD toggle button. The user should press the OSD toggle button and hold it in while the power button is applied to turn the AIO on.

  • Page 72: Chapter 8: Technical Specifications

    Technical specifications NOTE: Offerings may vary by region. For more information regarding the configuration of your computer in: ● Windows 10, click or tap Start > Settings > System > About. ● Windows 8.1 and Windows 8, from the charms sidebar, click or tap Settings > Change PC settings. In the PC Settings window, select PC and devices >...

  • Page 73: Skylake - 6Th Generation Intel Core Processors

    Feature Specification Chipset Intel Q270 chipset Skylake — 6th Generation Intel Core processors Intel Skylake is the successor to the Intel Broadwell processor. It is a micro architecture redesign using an existing process technology and it is branded as Intel 6th generation Core. Like Broadwell, Skylake is available in four variants with suffixes SKL-Y, SKL-H, SKL-U, and SKL-S.

  • Page 74: Identifying Processors In Windows 10

    Table 9. Kaby Lake specifications (continued) Intel Core i7-7700 3.6 GHz 8 MB 65 W Identifying processors in Windows 10 1. Tap Search the Web and Windows. 2. Type Device Manager. The Device Manager window is displayed. 3. Expand Processors. Identifying processors in Windows 7 1.

  • Page 75: Communication Specifications

    Feature Specification Internal dual digital microphone microphone support Volume controls Program menus, and keyboard media-control keys WARNING: Excessive sound pressure from earphones or headphones can cause hearing damage or loss. Adjustment of the volume control as well as the equalizer to settings other than the center position may increase the earphones or headphones output voltage, and therefore the sound pressure level.

  • Page 76: Power Specifications

    Feature Specification Network adapter One RJ-45 connector USB 2.0 (Rear) 0(side)/2 USB 3.0 (Rear) 2(side)/4 USB port 1(side) USB 3.0 Type C connector with PowerShare support Video one display port HDMI ● one 19–pin output port ● one 19–pin input port Media card one 4-in-1 slot reader...

  • Page 77: Physical Specifications

    Physical specifications Feature Specification Width 575.24 mm (22.65 inches) Height 392.90 mm (15.47 inches) Depth: Non-touch 63.5 mm (2.5 inches) Touch 62.79 mm (2.47 inches) Weight: Non-touch 9.76 kg with stand (21.52 lb) Touch 11.00 kg with stand (24.25 lb) NOTE: The weight of your computer may vary depending on the configuration ordered and the manufacturing variability.

  • Page 78: Chapter 9: Contacting Dell

    Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: 1. Go to Dell.com/support.

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