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Dell OptiPlex Micro Plus 7020 Owner's Manual
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Dell OptiPlex Micro Plus 7020 Owner's Manual

Dell OptiPlex Micro Plus 7020 Owner's Manual

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OptiPlex Micro Plus 7020
Owner's Manual
Regulatory Model: D15U
Regulatory Type: D15U001
February 2024
Rev. A01

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Summary of Contents for Dell OptiPlex Micro Plus 7020

  • Page 1 OptiPlex Micro Plus 7020 Owner's Manual Regulatory Model: D15U Regulatory Type: D15U001 February 2024 Rev. A01...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2023-2024 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: Views of OptiPlex Micro Plus 7020................6 Front....................................... 6 Back......................................7 Chapter 2: Set up your computer....................9 Chapter 3: Specifications of OptiPlex Micro Plus 7020..............13 Dimensions and weight..............................13 Processor..................................... 13 Chipset....................................16 Operating system................................17 Memory....................................17...
  • Page 4 Chapter 6: Removing and installing coin-cell battery..............35 Removing the coin-cell battery............................35 Installing the coin-cell battery............................35 Chapter 7: Removing and installing Customer Replaceable Units (CRUs)........37 Front bezel..................................37 Removing the front bezel............................37 Installing the front bezel............................38 Speaker....................................39 Removing the speaker..............................39 Installing the speaker..............................40 Solid state drive..................................41 Removing the M.2 2230 solid-state drive from slot 0..................
  • Page 5 Running the SupportAssist Pre-Boot System Performance Check..............97 Power-Supply Unit Built-in Self-Test ..........................97 System-diagnostic lights..............................98 Recovering the operating system..........................98 Real Time Clock—RTC reset............................98 Backup media and recovery options..........................99 Wi-Fi power cycle................................99 Chapter 12: Getting help and contacting Dell................100 Contents...

  • Page 6: Chapter 1: Views Of Optiplex Micro Plus 7020

    Views of OptiPlex Micro Plus 7020 Front Figure 1. Front view 1. Power button Press to turn on the computer if it is turned off, in sleep state, or in hibernate state. When the computer is turned on, press the power button to put the computer into sleep state; press and hold the power button for 10 seconds to force shut-down the computer.

  • Page 7: Back

    6. USB 3.2 Gen 2x2 Type-C (20 Gbps) port Connect devices such as external storage devices, printers, and external displays. Provides data transfer rate of up to 20 Gbps. Back Figure 2. Back view 1. One optional external antenna port Views of OptiPlex Micro Plus 7020...
  • Page 8 ● VGA ● Serial NOTE: You may connect a 90 W Dell USB-C hub monitor to the optional Type-C port as a consolidated power, display, and USB I/O solution for your computer. 3. DC-in cable clip Use for routing the power-adapter cable.

  • Page 9: Chapter 2: Set Up Your Computer

    Set up your computer Steps 1. Connect the keyboard and mouse. Figure 3. Connect the keyboard and mouse to your OptiPlex Micro Plus 7020 2. Connect to your network using a cable. Set up your computer...
  • Page 10 Figure 4. Connect to your network using a cable NOTE: Alternatively, you can connect to a wireless network. 3. Connect the display. Figure 5. Connect the display 4. Connect the power cable. Set up your computer...
  • Page 11 Figure 7. Press the power button 6. Finish the operating system setup. For Ubuntu: Follow the on-screen instructions to complete the setup. For more information about installing and configuring Ubuntu, search in the Knowledge Base Resource at www.dell.com/support. Set up your computer...
  • Page 12 For Windows: Follow the on-screen instructions to complete the setup. When setting up, Dell recommends that you: ● Connect to a network for Windows updates. NOTE: If connecting to a secured wireless network, enter the password for the wireless network access when prompted.

  • Page 13: Chapter 3: Specifications Of Optiplex Micro Plus 7020

    The weight of your computer depends on the ● Maximum: 1.35 kg (2.97 lb) configuration ordered and manufacturing variability. Processor The following table lists the details of the processors that are supported for your OptiPlex Micro Plus 7020. Specifications of OptiPlex Micro Plus 7020...
  • Page 14 4.30 GHz 3.70 GHz 4.20 GHz frequency Processor cache 36 MB 36 MB 33 MB 33 MB Integrated graphics Intel UHD Graphics 770 Intel UHD Graphics 770 Intel UHD Graphics 770 Intel UHD Graphics Specifications of OptiPlex Micro Plus 7020...
  • Page 15 3.90 GHz 3.40 GHz 3.70 GHz frequency Processor cache 24 MB 24 MB 24 MB 24 MB Integrated graphics Intel UHD Graphics 770 Intel UHD Graphics 770 Intel UHD Graphics 770 Intel UHD Graphics Specifications of OptiPlex Micro Plus 7020...

  • Page 16: Chipset

    12 MB 12 MB Integrated graphics Intel UHD Graphics 730 Intel UHD Graphics 730 Chipset The following table lists the details of the chipset supported by your OptiPlex Micro Plus 7020. Table 6. Chipset  Description Values Chipset Intel Q670 Processor...

  • Page 17: Operating System

    ● Windows 11 Pro National Education ● Ubuntu Linux 22.04 LTS, 64-bit ● Windows 10 IoT Enterprise LTSC 2021 Memory The following table lists the memory specifications of your OptiPlex Micro Plus 7020. Table 7. Memory specifications  Description Values Memory slots...

  • Page 18: Memory Matrix

    Memory matrix The following table lists the memory configurations supported on your OptiPlex Micro Plus 7020. Table 8. Memory matrix  Configuration Slot DIMM1 DIMM2 8 GB DDR5 8 GB Not used 16 GB DDR5 16 GB Not used 16 GB DDR5...

  • Page 19: Internal Slots

    To learn more about the features of different types of M.2 cards, search in the Knowledge Base Resource at www.dell.com/support. Ethernet The following table lists the wired Ethernet Local Area Network (LAN) specifications of your OptiPlex Micro Plus 7020. Table 11. Ethernet specifications  Description Values...

  • Page 20: Audio

    2.0 solid-state drive RAID (Redundant Array of Independent Disks) For optimal performance when configuring drives as a RAID volume, Dell Technologies recommends drive models that are identical. RAID 0 (Striped, Performance) volumes benefit from higher performance when drives are matched because the data is split across multiple drives;...

  • Page 21: Power Adapter

    RAID volume without incurring the additional penalties when one or more drives in the volume are lower performing. OptiPlex Micro Plus 7020 supports RAID with more than one solid-state drive configuration. Power adapter The following table lists the power adapter specifications of your OptiPlex Micro Plus 7020. Table 16. Power adapter specifications  Description Option one...

  • Page 22: Gpu-Integrated

    The resolution and refresh rate of each connected external display may affect the total number of supported external displays. Hardware security The following table lists the hardware security of your OptiPlex Micro Plus 7020. Table 19. Hardware security   Hardware security...

  • Page 23: Environmental

    Dell Regulatory Compliance Home Page Responsible Business Alliance policy Operating and storage environment This table lists the operating and storage specifications of your OptiPlex Micro Plus 7020. Airborne contaminant level: G1 as defined by ISA-S71.04-1985 Table 22. Computer environment  Description...

  • Page 24: Chapter 4: Working Inside Your Computer

    You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that is shipped with the product or at www.dell.com/regulatory_compliance.

  • Page 25: Safety Precautions

    ESD protection is an increasing concern. Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable.

  • Page 26: Esd Field Service Kit

    Always place parts in your hand, on the ESD mat, in the computer, or inside an anti-static bag. ● Transporting Sensitive Components – When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport. Working inside your computer...

  • Page 27: Transporting Sensitive Components

    It is recommended to always use the traditional wired ESD grounding wrist strap and protective anti-static mat when servicing Dell products. In addition, it is critical to keep sensitive parts separate from all insulator parts while performing service and use anti-static bags for transporting sensitive components.

  • Page 28: Screw List

    Optional I/O module (HDMI 2.1/ DisplayPort M3x3 1.4a (HBR3)/VGA) Optional Type-C module (USB Type-C with M3x3 DisplayPort Alt Mode) Major components of OptiPlex Micro Plus 7020 The following image shows the major components of OptiPlex Micro Plus 7020. Working inside your computer...
  • Page 29 Figure 8. Major components of OptiPlex Micro Plus 7020 1. Side cover 2. Front bezel 3. Fan assembly 4. Heat sink 5. Speaker 6. Speaker-support bracket 7. System board 8. Chassis 9. Wireless card Working inside your computer...
  • Page 30 NOTE: Dell Technologies provides a list of components and their part numbers for the original system configuration purchased. These parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for purchase options. Working inside your computer...

  • Page 31: Chapter 5: Removing And Installing Side Cover

    Removing and installing side cover Removing the side cover Prerequisites 1. Follow the procedure in Before working inside your computer. About this task The following image(s) indicate the location of the side cover and provides a visual representation of the removal procedure. Figure 9.

  • Page 32: Installing The Side Cover

    Figure 10. Removing the side cover Steps 1. Place your computer on its side with the side cover facing up. 2. Loosen the thumb-screw (6x32) that secures the side cover to the chassis. 3. Slide and lift the side cover off the chassis. Installing the side cover Prerequisites If you are replacing a component, remove the existing component before performing the installation process.
  • Page 33 Figure 11. Installing the side cover Figure 12. Installing the side cover Steps 1. Place the side cover on the chassis. Removing and installing side cover...
  • Page 34 2. Align the tabs on the side cover with the slots on the chassis. 3. Slide the side cover into place towards the rear of the computer. 4. Tighten the thumb-screw (6x32) that secure the side cover to the chassis. Next steps 1.

  • Page 35: Chapter 6: Removing And Installing Coin-Cell Battery

    Removing and installing coin-cell battery Removing the coin-cell battery WARNING: This computer contains a coin-cell battery and requires trained technicians for handling guidance. CAUTION: Removing the coin-cell battery will clear the CMOS and will reset BIOS settings. Prerequisites 1. Follow the procedure in Before working inside your computer.
  • Page 36 Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following image(s) indicate the location of the coin-cell battery and provides a visual representation of the installation procedure. Figure 14. Installing the coin-cell battery Steps With the positive side (+) facing up, insert the coin-cell battery into the battery socket on the system board and snap the battery into place.

  • Page 37: Chapter 7: Removing And Installing Customer Replaceable Units (Crus)

    Removing and installing Customer Replaceable Units (CRUs) The replaceable components in this chapter are Customer Replaceable Units (CRUs). CAUTION: Customers can replace only the Customer Replaceable Units (CRUs) following the safety precautions and replacement procedures. NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Front bezel Removing the front bezel Prerequisites...

  • Page 38: Installing The Front Bezel

    Figure 15. Removing the front bezel Steps 1. Gently pry and release the front-cover tabs starting from the top, working down to the bottom tab. 2. Swing the front bezel outwards, away from the side cover. Installing the front bezel Prerequisites If you are replacing a component, remove the existing component before performing the installation process.

  • Page 39: Speaker

    Figure 16. Installing the front bezel Steps 1. Insert the tabs on the right side of the bezel into the corresponding slots on the side cover. 2. Push the left side of the front bezel towards the side cover, snapping the tabs into position. Next steps 1.

  • Page 40: Installing The Speaker

    Figure 17. Removing the speaker Steps 1. Disconnect the speaker cable from its connector (INT SPKR) on the system board. 2. Remove the speaker cable from the routing guides on the fan assembly. 3. Press the tab that secures the speaker to the speaker-support bracket. 4.

  • Page 41: Solid State Drive

    Figure 18. Installing the speaker Steps 1. Press and hold on the tab that secures the speaker to the speaker-support bracket. 2. Place the speaker on the bracket. 3. Release the tab that secures the speaker to the speaker-support bracket. 4.

  • Page 42: Installing The M.2 2230 Solid-State Drive In Slot 0

    The following image(s) indicate the location of the M.2 2230 solid-state drive in slot 0 and provides a visual representation of the removal procedure. Figure 19. Removing the 2230 solid-state drive from slot 0 Steps 1. Remove the screw (M2x3.5) that secures the M.2 2230 solid-state drive to the system board. 2.

  • Page 43: Removing The M.2 2230 Solid-State Drive From Slot 1

    Figure 20. Installing the 2230 solid-state drive in slot 0 Steps 1. Align the notch on the M.2 2230 solid-state drive with the tab on the solid-state drive slot 0 (M.2 PCIe SSD 0). 2. Slide the M.2 2230 solid-state drive into the solid-state drive slot 0 (M.2 PCIe SSD 0) on the system board. 3.

  • Page 44: Installing The M.2 2230 Solid-State Drive In Slot 1

    Figure 21. Removing the M.2 2230 solid-state drive from slot 1 Steps 1. Remove the screw (M2x3.5) that secures the M.2 2230 solid-state drive to the system board. 2. Slide and lift the M.2 2230 solid-state drive off the solid-state drive slot 1 (M.2 PCIe SSD 1) on the system board. Installing the M.2 2230 solid-state drive in slot 1 Prerequisites If you are replacing a component, remove the existing component before performing the installation process.

  • Page 45: Removing The M.2 2280 Solid-State Drive From Slot 0

    Figure 22. Installing the M.2 2230 solid-state drive in slot 1 Steps 1. Align the notch on the M.2 2230 solid-state drive with the tab on the solid-state drive slot 1 (M.2 PCIe SSD 1). 2. Slide the M.2 2230 solid-state drive into the solid-state drive slot 1 (M.2 PCIe SSD 1) on the system board. 3.

  • Page 46: Installing The M.2 2280 Solid-State Drive In Slot 0

    Figure 23. Removing the M.2 2280 solid-state drive from slot 0 Steps 1. Remove the screw (M2x3.5) that secures the M.2 2280 solid-state drive to the system board. 2. Slide and lift the M.2 2280 solid-state drive off the solid-state drive slot 0 (M.2 PCIe SSD 0) on the system board. Installing the M.2 2280 solid-state drive in slot 0 Prerequisites If you are replacing a component, remove the existing component before performing the installation process.

  • Page 47: Removing The M.2 2280 Solid-State Drive From Slot 1

    Figure 24. Installing the M.2 2280 solid-state drive in slot 0 Steps 1. Align the notch on the M.2 2280 solid-state drive with the tab on the solid-state drive slot 0 (M.2 PCIe SSD 0). 2. Slide the M.2 2280 solid-state drive into the solid-state drive slot (M.2 PCIe SSD 0) on the system board. 3.

  • Page 48: Installing The M.2 2280 Solid-State Drive In Slot 1

    Figure 25. Removing the M.2 2280 solid-state drive from slot 1 Steps 1. Remove the screw (M2x3.5) that secures the M.2 2280 solid-state drive to the system board. 2. Slide and lift the M.2 2280 solid-state drive off the solid-state drive slot 1 (M.2 PCIe SSD 1) on the system board. Installing the M.2 2280 solid-state drive in slot 1 Prerequisites If you are replacing a component, remove the existing component before performing the installation process.

  • Page 49: Location Of The Screw Mount Of The M.2 Slot

    Figure 26. Installing the M.2 2280 solid-state drive in slot 1 Steps 1. Align the notch on the M.2 2280 solid-state drive with the tab on the solid-state drive slot 1 (M.2 PCIe SSD 1). 2. Slide the M.2 2280 solid-state drive into solid-state drive slot 1 (M.2 PCIe SSD 1) on the system board. 3.

  • Page 50: Wireless Card

    Figure 27. Moving the screw mount to support a different form factor (OptiPlex Micro Plus 7020) Steps NOTE: Steps 1 and 2 are applicable if an M.2 2280 solid-state drive is being installed to replace the existing M.2 2230 solid-state drive.

  • Page 51: Installing The Wireless Card

    Figure 28. Removing the wireless card Steps 1. Remove the screw (M2x3.5) that secures the wireless-card bracket to the wireless card. 2. Lift the wireless-card bracket off the wireless card. 3. Disconnect the antenna cables from the wireless card. 4. Slide and remove the wireless card from the wireless-card slot (M.2 WLAN). Installing the wireless card Prerequisites If you are replacing a component, remove the existing component before performing the installation process.
  • Page 52 Figure 29. Installing the wireless card Steps 1. Connect the antenna cables to the wireless card. Table 24. Antenna-cable color scheme  Connector on the Antenna-cable color Silkscreen marking wireless card △ (white triangle) Main White MAIN Auxiliary Black ▲ (black triangle) 2.

  • Page 53: Fan

    Removing the fan Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the side cover. 3. Remove the speaker. About this task The following image(s) indicate the location of the fan and provides a visual representation of the removal procedure. Figure 30.

  • Page 54: Installing The Fan

    3. Flip over the fan assembly while holding it in place over the heat sink. 4. Disconnect the fan cable from its connector (FAN CPU) on the system board. 5. Lift the fan assembly away from the heat sink. Installing the fan Prerequisites If you are replacing a component, remove the existing component before performing the installation process.

  • Page 55: Memory

    4. Slide the fan assembly into its slot on the computer chassis and release the tabs. NOTE: Ensure that the tabs are snapped into position on the heat sink. Next steps 1. Install the speaker. 2. Install the side cover. 3.

  • Page 56: Installing The Memory Module

    CAUTION: To prevent damage to the memory module, hold the memory module by the edges. Do not touch the components on the memory module. NOTE: Repeat step 1 to step 2 to remove any other memory modules installed in your computer. NOTE: Note the slot and the orientation of the memory module in order to replace it in the correct slot.
  • Page 57 Steps NOTE: Step 1 to step 6 are applicable when installing the DDR5 thermal pad for the following memory configurations: ● 32 GB: 16 GB x 2 ● 64 GB: 32 GB x 2 1. Peel back the backing of the DDR5 thermal pad halfway. 2.

  • Page 58: Chapter 8: Removing And Installing Field Replaceable Units (Frus)

    About this task NOTE: The optional PS2 module comes with a custom Dell adapter cable that is required to access the PS2 I/O port. Plug in the adapter cable to access the PS2 I/O or COM port of your computer.
  • Page 59 Figure 34. Removing the optional I/O module (HDMI, DP, or PS2) Figure 35. Removing the optional I/O module (VGA or Serial) Steps 1. Remove the two (M3x3) screws that secure the optional I/O module (HDMI/DP/PS2) or two (M2x5) cross-type screws that secure the optional I/O module (VGA/Serial) to the computer chassis.

  • Page 60: Installing The Optional I/O Module (Hdmi/Vga/Dp/Serial/Ps2)

    About this task NOTE: The optional PS2 module comes with a custom Dell adapter cable that is required to access the PS2 I/O port. Plug in the adapter cable to access the PS2 I/O or COM port of your computer.

  • Page 61: Optional Type-C Module

    Steps 1. To remove the knock-out port cover, insert a flat-head screwdriver in the hole of the port cover from the outside of the computer. Push the knock-out port cover to release it, and then remove it out from the computer. NOTE: This step applies if you are upgrading a computer with no existing I/O module.

  • Page 62: Installing The Optional Type-C Module

    Steps 1. Remove the two (M2x3) screws that secure the optional Type-C module. 2. Slide the optional Type-C module away from its slot on the chassis. 3. Flip over the optional Type-C module and hold it in place over the system board. 4.

  • Page 63: Heat Sink

    Next steps 1. Install the side cover. 2. Follow the procedure in After working inside your computer. Heat sink Removing the heat sink CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer.

  • Page 64: Installing The Heat Sink

    Steps 1. In reverse sequential order (3->2->1), loosen the three captive screws that secure the heat sink to the system board. 2. Lift the heat sink off the system board. Installing the heat sink CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation process.

  • Page 65: Processor

    4. Follow the procedure in After working inside your computer. Processor Removing the processor CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the side cover.

  • Page 66: Installing The Processor

    Installing the processor CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task NOTE: If either the processor or the heat sink is replaced, use the thermal grease that is provided in the kit to ensure that thermal conductivity is achieved.

  • Page 67: System Board

    System board Removing the system board CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the side cover. 3. Remove the coin-cell battery. 4.
  • Page 68 1. M.2 WLAN connector (M.2 WLAN) 2. M.2 SSD PCIe connector (M.2 2230 or M.2 2280) (M.2 PCIe SSD-1) 3. Coin-cell battery 4. Optional video connector (VGA Port/DisplayPort 1.4a (HBR3)/HDMI 2.1 Port) (VIDEO) 5. Optional connector (USB 3.2 Gen 2 Type-C Port) (TYPE-C) 6.

  • Page 69: Installing The System Board

    Figure 46. Removing the system board Steps 1. Remove the screw (M3x5) that secures the speaker-support bracket to the system board. 2. Lift the speaker-support bracket off the system board. 3. Remove the four screws (M3x5) that secure the system board to the chassis. 4.
  • Page 70 Figure 47. System board connectors 1. M.2 WLAN connector (M.2 WLAN) 2. M.2 SSD PCIe connector (M.2 2230 or M.2 2280) (M.2 PCIe SSD-1) 3. Coin-cell battery 4. Optional video connector (VGA Port/DisplayPort 1.4a (HBR3)/HDMI 2.1 Port) (VIDEO) 5. Optional connector (USB 3.2 Gen 2 Type-C Port) (TYPE-C) 6.
  • Page 71 Figure 48. Installing the system board Removing and installing Field Replaceable Units (FRUs)
  • Page 72 Figure 49. Installing the system board Steps 1. At an angle, insert the front of the system board through the chassis. 2. Place the system board on the chassis. 3. Align the screw holes on the system board with the screw holes on the chassis. 4.

  • Page 73: Internal Antenna

    7. Install the speaker. 8. Install the M.2 2230 solid-state drive M.2 2280 solid-state drive, whichever is applicable. 9. Install the coin-cell battery. 10. Install the side cover. 11. Follow the procedure in After working inside your computer. Internal antenna Removing the antenna module (white cable) CAUTION: The information in this section is intended for authorized service technicians only.

  • Page 74: Installing The Antenna Module (White Cable)

    Figure 50. Removing the antenna module (white cable) Steps 1. Remove the antenna cable from the routing guides on the chassis and system board. 2. Remove the screw (M3x3) that secures the antenna module (white cable) to the chassis. 3. Listen the captive screw that secures the antenna module (white cable) to the chassis. 4.

  • Page 75: Removing The Antenna Module (Black Cable)

    Figure 51. Installing the antenna module (white cable) Steps 1. Push the antenna module (white cable) though the slot the chassis. 2. Align the screw hole and captive screw on the antenna module (white cable) to the screw holes on the chassis. 3.

  • Page 76: Installing The Antenna Module (Black Cable)

    2. Remove the side cover. 3. Remove the M.2 2230 solid-state drive M.2 2280 solid-state drive, whichever is applicable. 4. Remove the wireless card. 5. Remove the speaker. 6. Remove the fan. 7. Remove the heat sink. 8. Remove the optional I/O module (HDMI/VGA/DP/Serial/PS2) or the optional Type-C...

  • Page 77: Removing Sma Antenna Assembly

    Figure 53. Installing the antenna module (black cable) Steps 1. Place the antenna module (black cable) on the chassis. 2. Align the captive screw on the antenna module (black cable) to the screw hole on the chassis. 3. Tighten the captive screw that secures the antenna module (black cable) to the chassis. 4.

  • Page 78: Installing Sma Antenna Assembly

    Figure 54. Removing SMA antenna Steps 1. Remove the SMA antenna assembly cables from the routing guides on the chassis. 2. Remove the screw (M3x3) that secures the SMA antenna assembly to the chassis. 3. Push the SMA antenna assembly inside from the opening on the back and lift it away from the chassis. Installing SMA antenna assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 79 Figure 55. Installing SMA antenna (Location 3) Steps 1. Remove the fillers on the side cover, if applicable. 2. Tilt the SMA antenna assembly. 3. Align and place the antenna bracket on the system board. 4. Insert the SMA antenna assembly through the opening at the back of the chassis. 5.

  • Page 80: Chapter 9: Software

    ● Windows 11 Pro National Education ● Ubuntu Linux 22.04 LTS, 64-bit ● Windows 10 IoT Enterprise LTSC 2021 Drivers and downloads When troubleshooting, downloading, or installing drivers, it is recommended that you read the Dell Knowledge Base article Drivers and Downloads FAQs 000123347. Software...

  • Page 81: Chapter 10: Bios Setup

    BIOS Setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup. Certain changes can make your computer work incorrectly. NOTE: Depending on the computer and its installed devices, the items that are listed in this section may or may not be displayed.

  • Page 82: F12 One Time Boot Menu

    Depending on your computer and its installed devices, the items that are listed in this section may or may not be displayed. Table 26. System setup options—System information menu  Overview OptiPlex Micro Plus 7020 BIOS Version Displays the BIOS version number. Service Tag Displays the Service Tag of the computer.
  • Page 83 Table 26. System setup options—System information menu (continued) Overview Maximum Clock Speed Displays the maximum processor clock speed. Minimum Clock Speed Displays the minimum processor clock speed. Current Clock Speed Displays the current processor clock speed. Core Count Displays the number of cores on the processor. Processor ID Displays the processor identification code.
  • Page 84 Table 27. System setup options—Boot Configuration menu (continued) Boot Configuration By default, the OFF option is disabled. Enable Microsoft UEFI CA Enable or disable Microsoft UEFI Certificate Authority. By default, the ON option is enabled. CAUTION: Disabling Microsoft UEFI CA could render your system being unable to boot.
  • Page 85 Table 29. System setup options—Storage menu (continued) Storage By default, all the onboard drives are enabled. M.2 PCIe SSD-0 Enable or disable the M.2 PCIe SSD-0 solid-state drive. By default, the ON option is enabled. M.2 PCIe SSD-1 Enable or disable the M.2 PCIe SSD-1 solid-state drive. By default, the ON option is enabled.
  • Page 86 Table 31. System setup options—Connection menu (continued) Connection HTTP(s) Boot Enable or disable the HTTP(s) Boot feature. By default, the ON option is enabled. HTTP(s) Boot Mode With Auto Mode, the HTTP(s) Boot extracts Boot URL from the DHCP. With Manual Mode, the HTTP(s) Boot reads Boot URL from the user-provided data. By default, the Auto Mode option is selected.
  • Page 87 Absolute® Absolute® Absolute Software provides various cyber security solutions, some requiring software preloaded on Dell computers and integrated into the BIOS. To use these features, you must enable the Absolute BIOS setting and contact Absolute for configuration and activation. By default, the Enable Absolute option is enabled.
  • Page 88 BIOS passwords. You can modify the minimum and maximum length of the passwords and require passwords to contain certain character classes (upper case, lower case, digit, special character). Dell Technologies recommends setting the minimum password length to at least eight characters. Upper Case Letter Reinforces password must have at least one upper case letter.
  • Page 89 When an internal hard drive password is set, it must first be cleared before Master Password Lockout can be changed. By default, the OFF option is disabled. Dell does not recommend enabling the Master Password Lockout unless you have implemented your own password recovery computer. Allow Non-Admin PSID Revert...
  • Page 90 Dell Auto OS Recovery Threshold Allows you to control the automatic boot flow for SupportAssist System Resolution Console and for Dell operating system Recovery Tool. By default, the value of 2 option is selected. Table 36. System setup options—System Management menu ...
  • Page 91 Table 37. System setup options—Keyboard menu  Keyboard Keyboard Errors Enable Keyboard Error Detection Enable or disable the keyboard error detection feature. By default, the ON option is enabled. Numlock LED Enable Numlock LED Enable or disable Numlock LED. By default, the ON option is enabled. Device Configuration Hotkey Access Device Configuration Hotkey Access Allows you to control whether you can access device configuration screens...
  • Page 92 ● Intel Virtualization Technology - Direct Enable Intel Trusted Execution By default, the OFF option is enabled. Technology (TXT) For additional security, Dell Technologies recommends enabling the Intel Trusted Execution Technology (TXT) feature. DMA Protection Enable Pre-Boot DMA support. Allows you to control the Pre-Boot DMA protection for both internal and external ports.

  • Page 93: Updating The Bios

    7. After the download is complete, browse the folder where you saved the BIOS update file. 8. Double-click the BIOS update file icon and follow the on-screen instructions. For more information, search in the Knowledge Base Resource at www.dell.com/support. BIOS Setup...

  • Page 94: Updating The Bios In Linux And Ubuntu

    One-Time boot menu on the computer. Most of the Dell computers built after 2012 have this capability, and you can confirm by booting your computer to the F12 One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your computer. If the option is listed, then the BIOS supports this BIOS update option.

  • Page 95: System And Setup Password

    Perform the following steps to perform the BIOS update flash process from the F12 menu: CAUTION: Do not turn off the computer during the BIOS update process. The computer may not boot if you turn off your computer. Steps 1. From a turn off state, insert the USB drive where you copied the flash into a USB port of the computer. 2.

  • Page 96: Deleting Or Changing An Existing System Setup Password

    Clearing BIOS (System Setup) and System passwords About this task To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information about how to reset Windows or application passwords, see the documentation accompanying Windows or your application.

  • Page 97: Chapter 11: Troubleshooting

    Check diagnostics About this task SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The Dell SupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and launched by the BIOS internally. The embedded system diagnostics provides options for particular devices or device groups allowing you to: ●...

  • Page 98: System-Diagnostic Lights

    It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its factory state. You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary operating system due to software or hardware failures.

  • Page 99: Backup Media And Recovery Options

    Backup media and recovery options It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes multiple options for recovering the Windows operating system on your Dell computer. For more information, see...

  • Page 100: Chapter 12: Getting Help And Contacting Dell

    Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 44. Self-help resources  Self-help resources Resource location Information about Dell products and services www.dell.com Tips Contact Support In Windows search, type Contact Support, and press Enter.

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