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Dell OptiPlex 3070 Microo Service Manual
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Dell OptiPlex 3070 Microo Service Manual

Dell OptiPlex 3070 Microo Service Manual

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Dell OptiPlex 3070 Micro
Service Manual
Regulatory Model: D10U
Regulatory Type: D10U003
August 2021
Rev. A01

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Summary of Contents for Dell OptiPlex 3070 Microo

  • Page 1 Dell OptiPlex 3070 Micro Service Manual Regulatory Model: D10U Regulatory Type: D10U003 August 2021 Rev. A01...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2018 - 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, 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................... 5 Safety instructions................................5 Before working inside your computer........................5 Safety precautions................................ 6 Electrostatic discharge—ESD protection....................... 6 ESD field service kit ..............................7 Transporting sensitive components.......................... 8 After working inside your computer..........................8 Chapter 2: Technology and components..................9 DDR4.......................................9 USB features..................................10 USB Type-C..................................12...
  • Page 4 Installing coin cell battery............................68 System board..................................70 Removing system board.............................70 Installing system board...............................76 Chapter 4: Troubleshooting......................83 Dell SupportAssist Pre-boot System Performance Check diagnostics..............83 Running the SupportAssist Pre-Boot System Performance Check..............83 Diagnostics..................................83 Diagnostic error messages..............................85 System error messages..............................88 Recovering the operating system..........................89 Backup media and recovery options..........................89...

  • Page 5: 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 6: 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 7: Esd Field Service Kit

    Always place parts in your hand, on the ESD mat, in the system, 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 on your computer...

  • Page 8: Transporting Sensitive Components

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

  • Page 9: Chapter 2: Technology And Components

    Technology and components This chapter details the technology and components available in the system. Topics: • DDR4 • USB features • USB Type-C • Advantages of DisplayPort over USB Type-C • HDMI 2.0 • Intel Optane memory DDR4 DDR4 (double data rate fourth generation) memory is a higher-speed successor to the DDR2 and DDR3 technologies and allows up to 512 GB in capacity, compared to the DDR3's maximum of 128 GB per DIMM.

  • Page 10: Usb Features

    Figure 2. Thickness difference Curved edge DDR4 modules feature a curved edge to help with insertion and alleviate stress on the PCB during memory installation. Figure 3. Curved edge Memory Errors Memory errors on the system display the new ON-FLASH-FLASH or ON-FLASH-ON failure code. If all memory fails, the LCD does not turn on.
  • Page 11 ● New power management features ● Full-duplex data transfers and support for new transfer types ● Backward USB 2.0 compatibility ● New connectors and cable The topics below cover some of the most commonly asked questions regarding USB 3.0/USB 3.1 Gen 1. Speed Currently, there are 3 speed modes defined by the latest USB 3.0/USB 3.1 Gen 1 specification.

  • Page 12: Usb Type-C

    ● USB 3.0/USB 3.1 Gen 1 Drive Docks & Adapters ● USB 3.0/USB 3.1 Gen 1 Flash Drives & Readers ● USB 3.0/USB 3.1 Gen 1 Solid-state Drives ● USB 3.0/USB 3.1 Gen 1 RAIDs ● Optical Media Drives ● Multimedia Devices ●...

  • Page 13: Advantages Of Displayport Over Usb Type-C

    Advantages of DisplayPort over USB Type-C ● Full DisplayPort audio/video (A/V) performance (up to 4K at 60Hz) ● Reversible plug orientation and cable direction ● Backwards compatibility to VGA, DVI with adaptors ● SuperSpeed USB (USB 3.1) data ● Supports HDMI 2.0a and is backwards compatible with previous versions HDMI 2.0 This topic explains the HDMI 2.0 and its features along with the advantages.

  • Page 14: Enabling Intel Optane Memory

    ● Intel Rapid Storage Technology driver version 15.9.1.1018 or higher Table 2. Intel Optane memory specifications Feature Specifications Interface PCIe 3x2 NVMe 1.1 Connector M.2 card slot (2230/2280) Configurations supported ● 7th Generation or higher Intel Core i3/i5/i7 processor ● Windows 10 64-bit version 1607 or higher ●...

  • Page 15: Chapter 3: Disassembly And Reassembly

    Disassembly and reassembly Topics: • Side cover • Hard drive assembly—2.5 inch • Heat sink blower • Speaker • Memory modules • Heat sink assemblyassembly • Processor • WLAN card • M.2 PCIe SSD • Optional module • Coin-cell battery •...
  • Page 16 Disassembly and reassembly...
  • Page 17 b. Slide the side cover towards the front of the system and lift the cover to remove from the system. Disassembly and reassembly...
  • Page 18 Disassembly and reassembly...

  • Page 19: Installing Side Cover

    Installing side cover 1. To install the side cover: a. Place the side cover on the system. b. Slide the cover towards the back of the system to install it. Disassembly and reassembly...
  • Page 20 c. Tighten the thumbscrew to secure the cover to the system. 2. Follow the procedure in After working inside your computer. Disassembly and reassembly...

  • Page 21: Hard Drive Assembly-2.5 Inch

    Hard drive assembly—2.5 inch Removing 2.5–inch hard drive assembly 1. Follow the procedure in Before working inside your computer. 2. Remove the Side cover. 3. To remove the drive assembly: a. Press the blue tabs on both sides of the hard drive assembly [1]. b.
  • Page 22 Disassembly and reassembly...

  • Page 23: Removing The 2.5-Inch Drive From The Drive Bracket

    c. Remove the drive assembly from the system. Removing the 2.5–inch drive from the drive bracket 1. Follow the procedure in Before Working Inside Your Computer. 2. Remove the: Side cover 2.5 inch hard drive assembly 3. To remove the drive bracket: a.

  • Page 24: Installing The 2.5 Inch Hard Drive Into The Drive Bracket

    Installing the 2.5 inch hard drive into the drive bracket 1. Align and insert the pins on the drive bracket with the slots on one side of the drive. 2. Flex the other side of the drive bracket, and align and insert the pins on the bracket into the drive. 3.
  • Page 25 2. Install the Side cover. 3. Follow the procedure in After working inside your computer. Disassembly and reassembly...

  • Page 26: Heat Sink Blower

    Heat sink blower Removing heat sink blower 1. Follow the procedure in Before working inside your computer. 2. Remove the Side cover. 3. To remove the heat sink blower: a. Press the blue tabs on both sides of the heat sink blower [1]. b.
  • Page 27 Disassembly and reassembly...
  • Page 28 4. Disconnect the speaker cable [1] and heat sink blower cable [2] from the connectors on the system board. Disassembly and reassembly...
  • Page 29 Disassembly and reassembly...

  • Page 30: Installing Heat Sink Blower

    Installing heat sink blower 1. To install the heat sink blower: a. Connect the heat sink blower cable [1] and speaker cable [2] to the connectors on the system board. Disassembly and reassembly...
  • Page 31 Disassembly and reassembly...
  • Page 32 b. Place the heat sink blower on the system and slide until it clicks into place. Disassembly and reassembly...
  • Page 33 Disassembly and reassembly...

  • Page 34: Speaker

    2. Install the Side cover. 3. Follow the procedure in After working inside your computer. Speaker Removing speaker 1. Follow the procedure in Before working inside your computer. 2. Remove the: Side cover Heat sink blower 3. To remove the speaker: a.

  • Page 35: Installing Speaker

    Installing speaker 1. To install the speaker: a. Align the slots on the speaker with the slots on the heat sink blower [1]. b. Replace the two (M2.5X4) screws to secure the speaker to the heat sink blower [2]. c. Route the speaker cable through the retention hooks on the heat sink blower [3]. Disassembly and reassembly...

  • Page 36: Memory Modules

    2. Install the: Heat sink blower Side cover 3. Follow the procedure in After working inside your computer. Memory modules Removing memory module 1. Follow the procedure in Before working inside your computer. 2. Remove the: Side cover Heat sink blower 3.
  • Page 37 Disassembly and reassembly...
  • Page 38 Disassembly and reassembly...

  • Page 39: Installing Memory Module

    Installing memory module 1. To install the memory module: a. Align the notch on the memory module with the tab on the memory module connector. b. Insert the memory module into the memory module socket [1] and press it until it clicks into place [2]. Disassembly and reassembly...
  • Page 40 Disassembly and reassembly...

  • Page 41: Heat Sink Assemblyassembly

    2. Install the: Heat sink blower Side cover 3. Follow the procedure in After working inside your computer. Heat sink assemblyassembly Removing heatsink 1. Follow the procedure in Before working inside your computer. 2. Remove the: Side cover 2.5 inch hard drive assembly Heatsink fan 3.
  • Page 42 Disassembly and reassembly...

  • Page 43: Installing Heatsink

    Installing heatsink 1. To install the heatsink: a. Place the heatsink on the processor [1]. b. Tighten the four three (M3) captive screws to secure the heat sink to the system board [2]. NOTE: The heatsink assembly is secured to the system board with four screws and three screws for 35 W and 65 W CPU respectively.

  • Page 44: Processor

    2. Install the: Heatsink fan 2.5–inch hard drive assembly Side cover 3. Follow the procedure in After working inside your computer. Processor Removing processor 1. Follow the procedure in Before Working Inside Your Computer. 2. Remove the: Side cover 2.5 inch hard drive assembly Heat sink blower Heat sink 3.
  • Page 45 Disassembly and reassembly...

  • Page 46: Installing Processor

    NOTE: After removing the processor, place it in an antistatic container for reuse, return, or temporary storage. Do not touch the bottom of the processor to avoid damage to the processor contacts. Touch only the side edges of the processor. Installing processor 1.
  • Page 47 Disassembly and reassembly...

  • Page 48: Wlan Card

    2. Install the: Heat sink Heat sink blower 2.5–inch hard drive assembly Side cover 3. Follow the procedure in After working inside your computer. WLAN card Removing the WLAN card 1. Follow the procedure in Before working inside your computer. 2.
  • Page 49 Disassembly and reassembly...

  • Page 50: Installing The Wlan Card

    Installing the WLAN card 1. To install the WLAN card: a. Insert the WLAN card into the connector on the system board [1]. b. Connect the WLAN antenna cables to the connectors on the WLAN card [2]. c. Place the plastic tab to secure the WLAN cables [3]. d.
  • Page 51 Disassembly and reassembly...
  • Page 52 2. Install the: 2.5 inch hard drive assembly Side cover 3. To install the external antennae a. Tighten the antenna screw to install the antenna to the computer. Disassembly and reassembly...

  • Page 53: M.2 Pcie Ssd

    4. Follow the procedure in After working inside your computer. M.2 PCIe SSD Removing the M.2 PCIe SSD NOTE: The instructions are applicable to M.2 SATA SSD also. 1. Follow the procedure in Before working inside your computer. 2. Remove the: Side cover 2.5 inch hard drive assembly 3.
  • Page 54 Disassembly and reassembly...

  • Page 55: Installing The M.2 Pcie Ssd

    Installing the M.2 PCIe SSD NOTE: The instructions are applicable to M.2 SATA SSD also. 1. To install M.2 PCIe SSD: a. Insert the M.2 PCIe SSD to the connector in the system board [1]. b. Replace the single (M2X3.5) screw that secures the M.2 PCIe SSD to the system board [2]. Disassembly and reassembly...
  • Page 56 Disassembly and reassembly...
  • Page 57 Disassembly and reassembly...

  • Page 58: Optional Module

    2. Install the: 2.5 inch hard drive assembly Side cover 3. Follow the procedure in After working inside your computer. Optional module Removing optional module 1. Follow the procedure in Before working inside your computer. 2. Remove the : Side cover 2.5 inch hard drive assembly 3.
  • Page 59 Disassembly and reassembly...
  • Page 60 c. Pull and lift the optional card away from the system. Disassembly and reassembly...
  • Page 61 Disassembly and reassembly...

  • Page 62: Installing Optional Module

    Installing optional module 1. To install the optional card: a. Place and align the optional card to its place in the system. Disassembly and reassembly...
  • Page 63 Disassembly and reassembly...
  • Page 64 b. Replace the two (M2X3.5) screws and two screws to secure the optional card to the system chassis [1,2] c. Connect the optional card cable to the connector in the system board [3]. Disassembly and reassembly...
  • Page 65 Disassembly and reassembly...

  • Page 66: Coin-Cell Battery

    2. Install the: Side cover 2.5 inch hard drive assembly 3. Follow the procedure in After working inside your computer. Coin-cell battery Removing coin cell battery 1. Follow the procedure in Before working inside your computer. 2. Remove the: Side cover 3.
  • Page 67 Disassembly and reassembly...

  • Page 68: Installing Coin Cell Battery

    Installing coin cell battery 1. To install the coin cell battery: a. Hold the coin cell battery with the "+" sign facing up and slide it under the securing tabs at the positive side of the connector on the system board [1]. b.
  • Page 69 Disassembly and reassembly...

  • Page 70: System Board

    2. Install the Side cover 3. Follow the procedure in After working inside your computer. System board Removing system board 1. Follow the procedure in Before working inside your computer. 2. Remove the: Side cover 2.5 hard drive assembly Heat sink blower WLAN M.2 PCIe SSD Memory module...
  • Page 71 Disassembly and reassembly...
  • Page 72 4. To remove the system board: a. Remove the two (M3x4) screws [1] and three (6-32x5.4) screws [2] that secure the system board to the system. Disassembly and reassembly...
  • Page 73 Disassembly and reassembly...
  • Page 74 b. Lift the system board to disengage the connectors from the back of the computer [1]. c. Slide the system board away from the computer [2]. Disassembly and reassembly...
  • Page 75 Disassembly and reassembly...

  • Page 76: Installing System Board

    Installing system board 1. To install the system board: a. Hold the system board by its edges and angle it towards the back of the system. b. Lower the system board into the system until the connectors at the back of the system board align with the slots on the chassis, and the screw holes on the system board align with the standoffs on the system [1,2].
  • Page 77 Disassembly and reassembly...
  • Page 78 c. Replace the two (M3x4) screws [1] and three (6-32x5.4) screws [2] to secure the system board to the system. Disassembly and reassembly...
  • Page 79 Disassembly and reassembly...
  • Page 80 d. Place the HDD caddy support on the system board [1]. e. Replace the screw that secures the HDD caddy support to the system board [2]. Disassembly and reassembly...
  • Page 81 Disassembly and reassembly...
  • Page 82 2. Install the: Processor Disassembly and reassembly...

  • Page 83: Chapter 4: Troubleshooting

    Dell SupportAssist Pre-boot System Performance Check diagnostics 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 is launched by the BIOS internally.
  • Page 84 mode. However, if the computer fails the POST, the computer emits a series of LED codes during the start-up. The system LED is integrated on the Power button. The following table shows different light patterns and what they indicate. Table 3. Power LED summary Amber LED state White LED state System state...

  • Page 85: Diagnostic Error Messages

    Table 5. States Under Host BIOS Control Amber LED state White LED state System state Notes BIOS state 1 BIOS Post code (Old LED pattern 0001) Corrupt BIOS. BIOS state 2 BIOS Post code (Old LED pattern 0010) CPU config or CPU failure.
  • Page 86 If the problem persists, try another drive. Run the Hard Disk Drive tests in Dell Diagnostics. HARD-DISK DRIVE FAILURE The hard drive does not respond to commands from the computer.
  • Page 87 Table 6. Diagnostic error messages (continued) Error messages Description try another drive. Run the Hard Disk Drive tests in Dell Diagnostics. INSERT BOOTABLE MEDIA The operating system is trying to boot to non-bootable media, such as an optical drive. Insert bootable media.

  • Page 88: System Error Messages

    The operating system cannot find a specific track on the hard drive. SHUTDOWN FAILURE A chip on the system board may be malfunctioning. Run the System Set tests in Dell Diagnostics. If the message reappears, Contact Dell. TIME-OF-DAY CLOCK LOST POWER System configuration settings are corrupted. Connect your computer to an electrical outlet to charge the battery.

  • Page 89: Recovering The Operating System

    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 90: Chapter 5: Getting Help

    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.

This manual is also suitable for:

D10u

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