OptiPlex 3080 Micro Service Manual Regulatory Model: D14U Regulatory Type: D14U002 November 2020 Rev.
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents Chapter 1: Working on your computer........................................................................................... 5 Safety instructions.............................................................................................................................................................. 5 Before working inside your computer.......................................................................................................................5 Safety precautions....................
Removing the speaker................................................................................................................................................ 37 Installing the speaker.................................................................................................................................................. 38 Optional I/O modules (Type C/ HDMI/VGA/DP/Serial)........................................................................................
1 Working on your computer Topics: • Safety instructions Safety instructions Use the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that you have read the safety information that shipped with your computer. NOTE: Before working inside your computer, read the safety information that is shipped with your computer.
4. Disconnect all attached network devices and peripherals, such as keyboard, mouse, and monitor from your computer. CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device. 5. Remove any media card and optical disc from your computer, if applicable. Safety precautions The safety precautions chapter details the primary steps to be taken before performing any disassembly instructions.
● Use a wired ESD wrist strap that is properly grounded. The use of wireless anti-static straps is no longer allowed; they do not provide adequate protection. Touching the chassis before handling parts does not ensure adequate ESD protection on parts with increased sensitivity to ESD damage. ● Handle all static-sensitive components in a static-safe area. If possible, use anti-static floor pads and workbench pads.
After working inside your computer About this task CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. Steps 1. Replace all screws and ensure that no stray screws remain inside your computer. 2. Connect any external devices, peripherals, or cables you removed before working on your computer. 3. Replace any media cards, discs, or any other parts that you removed before working on your computer. 4.
2 Disassembly and reassembly Topics: • • • • • • • • • • • • • • • • Recommended tools Screw List Major components of your system Side cover Front bezel Hard-drive assembly Solid-state drive Fan assembly WLAN card Heat sink Coin-cell battery Memory modules Speaker Optional I/O modules (Type C/ HDMI/VGA/DP/Serial) Processor System board Recommended tools The procedures in this document require the following tools: ● Phillips #0 screwdriver ● Phillips #1 screwdriver ● Plastic scribe - Recommended for field
Table 1. Screw list (continued) Component Screw type Quantity WLAN card M2x3.
Major components of your system 1.
2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. Fan assembly Heatsink Speaker Hard drive caddy System board Chassis Processor M.2 WLAN Memory module M.2 Solid-state drive Hard drive assembly NOTE: Dell 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. Side cover Removing the side cover Prerequisites 1.
Steps 1. Loosen the thumbscrew (6x32) that secures the side cover to the system.
2. Slide the side cover towards the front of the system and lift the cover. Installing the side cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the side cover and provides a visual representation of the installation procedure.
Steps 1. Align the side cover with the grooves on the chassis. 2. Slide the side cover towards the back of the system to install it. 3. Tighten the thumbscrew (6x32) to secure the side cover to the system. Next steps 1. Follow the procedure in after working inside your computer. Front bezel Removing the front bezel Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover.
Steps 1. Pry the retention tabs to release the front bezel from the system. 2. Remove the front bezel from the system. Installing the front bezel Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the front bezel and provides a visual representation of the installation procedure.
Steps 1. Position the bezel to align the tabs with the slots on the chassis. 2. Press the bezel until the release tabs click into place. Next steps 1. Install the side cover. 2. Follow the procedure in after working inside your computer. Hard-drive assembly Removing the hard-drive assembly Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover.
Steps 1. Press the release tabs on the hard-drive assembly and slide it towards the front of the system to disconnect it from the connector on the system board. 2. Lift the hard drive assembly from the system. NOTE: Note the orientation of the hard drive so that you can replace it correctly. Removing the hard-drive bracket Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Remove the 2.5 in. hard-drive assembly.
Steps 1. Pull one side of the hard-drive bracket to disengage the pins on the bracket from the slots on the drive. 2. Lift the hard-drive out of the bracket. Installing the hard-drive bracket Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the hard-drive bracket and provides a visual representation of the installation procedure.
Steps 1. Place the hard-drive into the bracket. 2. Align and insert the pins on the drive bracket with the slots on the drive. NOTE: Note the orientation of the hard-drive so that you can replace it correctly. Next steps 1. Install the 2.5 in. hard-drive assembly. 2. Install the side cover. 3. Follow the procedure in after working inside your computer. Installing the 2.5 in.
Steps 1. Insert the hard-drive assembly into the slot on the system. 2. Slide the hard-drive assembly towards the connector in the system board until the release tabs clicks into place. Next steps 1. Install the side cover. 2. Follow the procedure in after working inside your computer. Solid-state drive Removing the M.2 2230 PCIe solid-state drive Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Remove the hard-drive assembly.
About this task The following images indicate the location of the solid-state drive and provide a visual representation of the removal procedure. Steps 1. Remove the screw (M2x3.5) that secures the solid-state drive to the system board. 2. Slide and lift the solid-state drive off the system board. Installing the M.2 2230 PCIe solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Align the notch on the solid-state drive with the tab on the solid-state drive connector on the system board. 2. Insert the solid-state drive at a 45-degree angle into the solid-state drive connector. 3. Replace the screw (M2x3.5) that secures the M.2 2230 PCIe solid-state drive to the system board. Next steps 1. Install the hard-drive assembly. 2. Install the side cover. 3. Follow the procedure in after working inside your computer. Removing the M.2 2280 PCIe solid-state drive Prerequisites 1.
Steps 1. Remove the screw (M2x3.5) that secures the solid-state drive to the system board. 2. Slide and lift the solid-state drive off the system board. Installing the M.2 2280 PCIe solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the solid-state drive and provides a visual representation of the installation procedure.
Steps 1. Align the notch on the solid-state drive with the tab on the solid-state drive connector on the system board. 2. Insert the solid-state drive at a 45-degree angle into the solid-state drive connector. 3. Replace the screw (M2x3.5) that secures the M.2 2280 PCIe solid-state drive to the system board. Next steps 1. Install the hard-drive assembly. 2. Install the side cover. 3. Follow the procedure in after working inside your computer. Fan assembly Removing the fan assembly Prerequisites 1.
Disassembly and reassembly
Steps 1. Unroute the speaker cable from the routing guide on the fan assembly. 2. Press the blue tabs on both sides of the fan, and slide to lift the fan to release it from the system. 3. Turn the fan assembly over. 4. Disconnect the fan cable from the connector on the system board. Lift the fan assembly out of the system. Installing the fan assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Disassembly and reassembly
Steps 1. Connect the fan cable to the connector on the system board. 2. Turn the fan assembly over. 3. Press the release tab on the fan assembly and place it on the system until it clicks into place. 4. Route the speaker cable through the routing guides on the fan assembly. Next steps 1. Install the side cover. 2. Follow the procedure in after working inside your computer. WLAN card Removing the WLAN card Prerequisites 1. Follow the procedure in before working inside your computer.
2. Remove the side cover. 3. Remove the hard-drive assembly. About this task The following images indicate the location of the wireless card and provide a visual representation of the removal procedure. Steps 1. Remove the (M2x3.5) screw that secures the WLAN card bracket to the system board. 2. Slide and lift the WLAN card bracket away from the WLAN card. 3. Disconnect the antenna cables from the WLAN card. 4. Slide and remove the WLAN card from the connector on the system board.
Steps 1. Connect the antenna cables to the WLAN card. The following table provides the antenna-cable color scheme for the WLAN card of your computer. Table 2. Antenna-cable color scheme Connectors on the wireless card Antenna-cable color Main (white triangle) White Auxiliary (black triangle) Black 2. Place the WLAN card bracket to secure the antenna cables. 3. Align the notch on the WLAN card with the tab on the WLAN card slot. Insert the WLAN card into the connector on the system board. 4.
Heat sink Removing the heat sink Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Remove the fan assembly. About this task The following images indicate the location of the heat sink and provide a visual representation of the removal procedure. Steps 1. Loosen the three captive screws that secure the heat sink to the system. NOTE: Loosen the screw in the sequential order (1,2,3) as printed on the heat sink. 2.
Installing the heat sink Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the heat sink and provides a visual representation of the installation procedure. Steps 1. Align the screws of the heat sink with the holders on the system board and place the heat sink on the processor. 2. Tighten the captive screws that secure the heat sink to the system board.
Coin-cell battery Removing the coin-cell battery Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. NOTE: Removing the coin-cell battery resets the BIOS setup program settings to default. It is recommended that you note the BIOS setup program settings before removing the coin-cell battery. About this task The following images indicate the location of the coin-cell battery and provide a visual representation of the removal procedure. Steps 1.
Steps 1. Insert the coin cell battery with the "+" sign facing up and slide it under the securing tabs at the positive side of the connector. 2. Press the battery into the connector until it locks into place. Next steps 1. Install the side cover. 2. Follow the procedure in after working inside your computer. Memory modules Removing the memory modules Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Remove the fan assembly.
Steps 1. Pull the securing clips from the memory module until the memory module pops up. 2. Slide and remove the memory module from the memory-module slot. Installing the memory modules Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the memory modules and provides a visual representation of the installation procedure.
Steps 1. Align the notch on the memory module with the tab on the memory-module slot. 2. Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it. Next steps 1. Install the fan assembly. 2. Install the side cover. 3. Follow the procedure in after working inside your computer. Speaker Removing the speaker Prerequisites 1.
Steps 1. Disconnect the speaker cable from the system board. 2. Press the release tab and lift the speaker along with the cable from the system board. Installing the speaker Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the speaker and provides a visual representation of the installation procedure.
Steps 1. Align and insert the speaker into the slot and press it until the release tab clicks. 2. Connect the speaker cable to the system board. Next steps 1. Install the fan assembly. 2. Install the side cover. 3. Follow the procedure in after working inside your computer. Optional I/O modules (Type C/ HDMI/VGA/DP/Serial) Removing optional I/O modules (Type C/ HDMI/VGA/DP/Serial) Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover.
Installing optional I/O modules (Type C/ HDMI/VGA/DP/Serial) Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the system board and provide a visual representation of the installation procedure.
Disassembly and reassembly 41
Disassembly and reassembly
Steps 1. To remove the dummy metal bracket, insert a flat-head screwdriver in the hole of the bracket. Push the bracket to release the bracket, and then lift the bracket out from the system. 2. Insert the optional I/O module (Type-C/HDMI/VGA/DP/Serial) into its slot from the inside of your computer. 3. Connect the I/O cable to the connector on the system board. 4. Replace the two (M3X3) screws to secure the optional I/O module to the system. Next steps 1. Install the side cover. 2.
2. Remove the side cover. 3. Remove the fan assembly. 4. Remove the heat sink. About this task The following images indicate the location of the processor and provide a visual representation of the removal procedure. Steps 1. Press down and push the release lever away from the processor to release it from the securing tab. 2. Lift the lever upward to lift the processor cover.
About this task The following image indicates the location of the processor and provides a visual representation of the installation procedure. Steps 1. Align the pin-1 corner of the processor with the pin 1 corner of the processor socket, and then place the processor in the processor socket. NOTE: The pin-1 corner of the processor has a triangle that aligns with the triangle on the pin-1 corner on the processor socket. When the processor is properly seated, all four corners are aligned at the same height.
System board Removing the system board Prerequisites 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Follow the procedure in before working inside your computer. Remove the side cover. Remove the hard drive assembly. Remove the solid-state drive. Remove the WLAN card. Remove the fan assembly. Remove the heat sink. Remove the memory modules. Remove the speaker. Remove the optional IO module. Remove the processor.
Disassembly and reassembly 47
Steps 1. Remove the screw (6-32) that secures the hard drive caddy support to the system board. 2. Lift the hard drive caddy support away from the system board. 3. Remove the two (M3x4) screws and three (6-32) screws that secure the system board to the chassis. 4. Lift the system board away from the chassis. Installing the system board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Disassembly and reassembly 49
Steps 1. Align and 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. 2. Replace the two (M3x4) screws and three (6-32) screws to secure the system board to the chassis. 3. Align the slot on the hard drive caddy support with system board and place the hard drive caddy on the system board. 4.
3 Troubleshooting Topics: • • • • • Dell SupportAssist Pre-boot System Performance Check diagnostics Diagnostic LED behavior Diagnostic error messages System error messages WiFi power cycle Dell SupportAssist Pre-boot System Performance Check diagnostics About this task The SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware.
Diagnostic LED behavior Table 3. Diagnostic LED behavior Blinking pattern Amber White Problem description 1 2 Unrecoverable SPI Flash Failure 2 1 CPU failure Suggested resolution ● ● 2 2 2 3 System board failure (included ● BIOS corruption or ROM ● error) No memory/RAM detected ● ● Flash latest BIOS version If problem persists, replace the system board. Confirm that the memory module is installed properly. If problem persists, replace the memory module.
Table 3. Diagnostic LED behavior (continued) Blinking pattern Amber White 3 7 Problem description Intel ME (Management Engine) Error Suggested resolution ● If problem persists, replace the system board. ● Timeout waiting on ME to reply to HECI message If problem persists, replace the system board. ● 4 2 CPU Power Cable Connection Issue Diagnostic error messages Table 4. Diagnostic error messages Error messages Description AUXILIARY DEVICE FAILURE The touchpad or external mouse may be faulty.
Table 4. Diagnostic error messages (continued) Error messages Description example, Printer out of paper. Take the appropriate action. HARD-DISK DRIVE CONFIGURATION ERROR The computer cannot identify the drive type. Shut down the computer, remove the hard drive, and boot the computer from an optical drive. Then, shut down the computer, reinstall the hard drive, and restart the computer. Run the Hard Disk Drive tests in Dell Diagnostics.
Table 4. Diagnostic error messages (continued) Error messages Description MEMORY DOUBLE WORD LOGIC FAILURE AT ADDRESS, READ VALUE EXPECTING VALUE A memory module may be faulty or improperly seated. Reinstall the memory module or, if necessary, replace it. MEMORY ODD/EVEN LOGIC FAILURE AT ADDRESS, READ VALUE EXPECTING VALUE A memory module may be faulty or improperly seated. Reinstall the memory module or, if necessary, replace it.
System error messages Table 5. System error messages System message Description Alert! Previous attempts at booting this system have failed at checkpoint [nnnn]. For help in resolving this problem, please note this checkpoint and contact Dell Technical Support The computer failed to complete the boot routine three consecutive times for the same error. CMOS checksum error RTC is reset, BIOS Setup default has been loaded. CPU fan failure CPU fan has failed. System fan failure System fan has failed.
4 Getting help Topics: • Contacting Dell Contacting Dell Prerequisites NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. About this task 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: Steps 1.