Dell Inspiron 3020 Small Desktop Service Manual
Dell Inspiron 3020 Small Desktop Manual
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- Dell Inspiron 3020 Small Desktop | Service Manual - Page 1
Inspiron 3020 Small Desktop Service Manual Regulatory Model: D17S Regulatory Type: D17S003 March 2023 Rev. A00 - Dell Inspiron 3020 Small Desktop | Service Manual - Page 2
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. © 2023 Dell Inc. or its subsidiaries. All rights reserved. Dell - Dell Inspiron 3020 Small Desktop | Service Manual - Page 3
Contents Chapter 1: Working inside your computer 6 Safety instructions...6 Before working inside your computer...6 Safety precautions...7 Electrostatic discharge-ESD protection...7 ESD field service kit ...8 Transporting sensitive components...9 After working inside your computer...9 BitLocker...9 - Dell Inspiron 3020 Small Desktop | Service Manual - Page 4
system setup password 69 Clearing CMOS settings...69 Clearing BIOS (System Setup) and System passwords 69 Chapter 5: Troubleshooting...70 Locate the Service Tag or Express Service Code of your Dell computer 70 SupportAssist diagnostics...70 Power-Supply Unit Built-in Self-Test ...70 System - Dell Inspiron 3020 Small Desktop | Service Manual - Page 5
Real Time Clock-RTC reset...72 Backup media and recovery options...73 WiFi power cycle...73 Chapter 6: Getting help and contacting Dell 74 Contents 5 - Dell Inspiron 3020 Small Desktop | Service Manual - Page 6
and the contacts. CAUTION: 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 - Dell Inspiron 3020 Small Desktop | Service Manual - Page 7
taken before performing any disassembly instructions. Observe the following safety potential. This is done through the use of a field service electrostatic discharge (ESD) kit. When connecting a bonding wire may not be obvious, such as intermittent problems or a shortened product life span. As the - Dell Inspiron 3020 Small Desktop | Service Manual - Page 8
The more difficult type of damage to recognize and troubleshoot is the intermittent (also called latent or "walking between your skin, the ESD mat, and the hardware is known as bonding. Use only Field Service kits with a wrist strap, mat, and bonding wire. Never use wireless wrist straps. Always be - Dell Inspiron 3020 Small Desktop | Service Manual - Page 9
parts separate from all insulator parts while performing service and that they use anti-static bags for transporting for a stable base, and point your toes out. 2. Tighten stomach muscles. Abdominal muscles support your spine when you lift, offsetting the force of the load. 3. Lift with your legs - Dell Inspiron 3020 Small Desktop | Service Manual - Page 10
2 Removing and installing components NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Left-side cover Removing the left-side cover Prerequisites 1. Follow the procedure in Before working inside your computer. About this task The following - Dell Inspiron 3020 Small Desktop | Service Manual - Page 11
About this task The following image indicates the location of the left-side cover and provides a visual representation of the installation procedure. Steps 1. Align the left-side cover on the left side of the chassis. 2. Hold the tab on the left-side cover firmly. Slide the left-side cover into the - Dell Inspiron 3020 Small Desktop | Service Manual - Page 12
Steps 1. Gently pry and release the tabs that secure the front cover to the chassis. 2. Lift the front cover away from the chassis. Installing the front cover Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The - Dell Inspiron 3020 Small Desktop | Service Manual - Page 13
Steps 1. Align and insert the tabs on the front cover into the slots on right side of the chassis. 2. Rotate the front cover towards the chassis and snap the tabs on the front cover into place. Next steps 1. Install the left-side cover. 2. Follow the procedure in After working inside your computer. - Dell Inspiron 3020 Small Desktop | Service Manual - Page 14
Steps 1. Remove the (#6-32) screw that secures the 2.5-inch hard-drive assembly to the hard-drive and optical-drive bracket. 2. Disconnect the data and power cables from the connectors on the hard drive. 3. Lift and slide the 2.5-inch hard-drive assembly away from the hard-drive and optical-drive - Dell Inspiron 3020 Small Desktop | Service Manual - Page 15
Steps 1. Disconnect the data and power cable from the connectors on the 3.5-inch hard drive. 2. Remove the two (#6-32) screws that secure the 3.5-inch hard-drive assembly to the hard-drive and optical-drive bracket. 3. Lift and slide the 3.5-inch hard-drive assembly away from the hard-drive and - Dell Inspiron 3020 Small Desktop | Service Manual - Page 16
Steps 1. Align and slide the 3.5-inch hard drive into the hard-drive cage. 2. Replace the two (#6-32) screws to secure the 3.5-inch hard drive to the hard-drive cage. 3. Align and slide the hard drive assembly into the hard-drive and optical-drive bracket. 4. Replace the two (#6-32) screws to secure - Dell Inspiron 3020 Small Desktop | Service Manual - Page 17
Hard-drive and optical-drive cage Removing the hard-drive and optical-drive cage Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. 3. Remove the front cover. 4. Remove the 3.5-inch hard drive or 2.5-inch hard drive. About this task The - Dell Inspiron 3020 Small Desktop | Service Manual - Page 18
an optical drive. 3. Hold onto the hard-drive and optical-drive bracket and turn it over. 4. Unroute the data and power cables through the routing guides on the hard-drive and optical-drive bracket. 5. Disconnect the data and power cables from the connectors on the optical drive. 6. Lift the hard - Dell Inspiron 3020 Small Desktop | Service Manual - Page 19
Steps 1. Connect the data and power cables to the connectors on the optical drive. 2. Route the data and power cables through the routing guides on the hard-drive and optical-drive bracket. 3. Hold the hard-drive and optical-drive bracket near the chassis, and connect the data and power - Dell Inspiron 3020 Small Desktop | Service Manual - Page 20
Steps 1. Place the hard-drive and optical-drive bracket on a flat surface to locate the (M2x3) screw. 2. Remove the (M2x3) screw that secures the optical drive to the hard-drive and optical-drive bracket. 3. Slide the optical drive out from the hard-drive and optical-drive bracket. 4. Turn over and - Dell Inspiron 3020 Small Desktop | Service Manual - Page 21
Steps 1. Align the optical drive bezel to the optical drive and snap the bezel onto the optical drive. NOTE: Start from the edge of the bezel with the smaller securing tabs and snap them into place. 2. Slide the optical drive into the hard-drive and optical-drive bracket. 3. Replace the (M2x3) screw - Dell Inspiron 3020 Small Desktop | Service Manual - Page 22
Power button Removing the power button Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. 3. Remove the front cover. 4. Remove the 3.5-inch hard drive or 2.5-inch hard drive. 5. Remove the hard-drive and optical-drive cage. About this task - Dell Inspiron 3020 Small Desktop | Service Manual - Page 23
Steps 1. Slide the power-button cable through the slot on the front of the chassis. 2. Press the tabs on the power button and insert the power button through the slot on the front of the chassis until the power button is secure in place. 3. Connect the power-button cable to the connector on the - Dell Inspiron 3020 Small Desktop | Service Manual - Page 24
Steps 1. Pull the securing clips on each end of the memory-module slot down to release the memory module. 2. Grasp the memory module from the middle and remove the memory module from memory-module slot. NOTE: Repeat Steps 1 and 2 to remove any other memory modules installed in your computer. - Dell Inspiron 3020 Small Desktop | Service Manual - Page 25
Steps 1. Align the notch on the memory module with the tab on the memory-module slot. 2. Press the memory module down until the memory module snaps into place and the securing clips lock in place. NOTE: Repeat Steps 1 and 2 to remove any other memory modules installed in your computer. Next steps 1. - Dell Inspiron 3020 Small Desktop | Service Manual - Page 26
Installing the M.2 2230 solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task NOTE: If you are replacing a M.2 2280 solid-state drive with a M.2 2230 solid-state drive, ensure the M.2 2280 solid- - Dell Inspiron 3020 Small Desktop | Service Manual - Page 27
Next steps 1. Install the hard-drive and optical-drive cage. 2. Install the 3.5-inch hard drive or 2.5-inch hard drive. 3. Install the front cover. 4. Install the left-side cover. 5. Follow the procedure in After working inside your computer. Removing the M.2 2280 solid-state drive Prerequisites 1. - Dell Inspiron 3020 Small Desktop | Service Manual - Page 28
About this task NOTE: If you are replacing a M.2 2230 solid-state drive with a M.2 2280 solid-state drive, ensure the M.2 2230 solid-state drive is removed first. NOTE: See the procedure for removing the M.2 2230 solid-state drive. NOTE: The following image indicates the location to install the - Dell Inspiron 3020 Small Desktop | Service Manual - Page 29
4. Install the left-side cover. 5. Follow the procedure in After working inside your computer. Wireless card Removing the wireless card Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. 3. Remove the front cover. 4. Remove the 3.5-inch hard - Dell Inspiron 3020 Small Desktop | Service Manual - Page 30
Installing the wireless card Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following image indicates the location of the wireless card and provides a visual representation of the installation procedure. - Dell Inspiron 3020 Small Desktop | Service Manual - Page 31
Coin-cell battery Removing the coin-cell battery Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. About this task The following image indicates the location of the coin-cell battery and provides a visual representation of the removal - Dell Inspiron 3020 Small Desktop | Service Manual - Page 32
Steps Insert the coin-cell battery into the battery socket with the positive side (+) label facing up, and snap the battery into place. Next steps 1. Install the left-side cover. 2. Follow the procedure in After working inside your computer. Media-card reader (optional) Removing the media-card - Dell Inspiron 3020 Small Desktop | Service Manual - Page 33
Steps 1. Remove the two screws (M3x5) that secure the media-card reader bracket to the system board and the chassis. 2. Push the media-card reader bracket to release it from the chassis 3. Slide and lift the media-card reader and the bracket off the system board. Installing the media-card reader - Dell Inspiron 3020 Small Desktop | Service Manual - Page 34
Steps 1. Align the screw hole on the media-card reader bracket with the screw holes on the system board and the chassis. 2. Align and slide the media-card reader and the bracket into the slot on the system board. 3. Replace the two screws (M3x5) to secure the media-card reader bracket on the system - Dell Inspiron 3020 Small Desktop | Service Manual - Page 35
Steps 1. Press the securing clips and disconnect the processor-power cable and the system-board power cable from the connectors on the system board. 2. Unroute the power supply unit cables from the routing guides on the chassis. Removing and installing components 35 - Dell Inspiron 3020 Small Desktop | Service Manual - Page 36
3. In a reverse sequential order (3>2>1), remove the three screws (#6-32) that secure the power supply unit on the chassis. 4. Slide and lift the power supply unit off the chassis. Installing the power supply unit Prerequisites If you are replacing a component, remove the existing component before - Dell Inspiron 3020 Small Desktop | Service Manual - Page 37
on the chassis. 4. Route the power supply unit cables through the routing guides on the chassis. 5. Connect the system-board power cable and the processor- : The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working - Dell Inspiron 3020 Small Desktop | Service Manual - Page 38
the antenna modules to the chassis. 2. Unroute the antenna cables from the routing guide on the chassis. 3. Remove the antenna cables from the slot on the chassis. The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, - Dell Inspiron 3020 Small Desktop | Service Manual - Page 39
antenna modules on the chassis. 3. Route the antenna cables through the routing guides on the chassis. 4. Insert the antenna cables through the slot on the : The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working - Dell Inspiron 3020 Small Desktop | Service Manual - Page 40
the fan shroud off the processor fan. Installing the fan shroud 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 The - Dell Inspiron 3020 Small Desktop | Service Manual - Page 41
fan and heat-sink assembly Removing the fan and heat-sink assembly 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 left-side cover. 3. Remove the fan shroud - Dell Inspiron 3020 Small Desktop | Service Manual - Page 42
from the system board. Installing the fan and heat-sink assembly 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 The - Dell Inspiron 3020 Small Desktop | Service Manual - Page 43
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 left-side cover. 3. Remove the fan - Dell Inspiron 3020 Small Desktop | Service Manual - Page 44
remove the processor from the processor socket. 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 - Dell Inspiron 3020 Small Desktop | Service Manual - Page 45
in After working inside your computer. 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 left-side cover. 3. Remove the front - Dell Inspiron 3020 Small Desktop | Service Manual - Page 46
1. Processor-power cable connector (ATX CPU1) 2. Processor socket 3. Processor-power cable connector (ATX CPU2) 4. Processor-fan cable connector 5. Memory module slots 6. M.2 2230/2280 solid-state drive slot 7. Power-button cable connector 8. Media-card reader cable connector 9. System-board power - Dell Inspiron 3020 Small Desktop | Service Manual - Page 47
Removing and installing components 47 - Dell Inspiron 3020 Small Desktop | Service Manual - Page 48
an angle and remove it from the chassis. Installing the system board 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 - Dell Inspiron 3020 Small Desktop | Service Manual - Page 49
1. Processor-power cable connector (ATX CPU1) 2. Processor socket 3. Processor-power cable connector (ATX CPU2) 4. Processor-fan cable connector 5. Memory module slots 6. M.2 2230/2280 solid-state drive slot 7. Power-button cable connector 8. Media-card reader cable connector 9. System-board power - Dell Inspiron 3020 Small Desktop | Service Manual - Page 50
50 Removing and installing components - Dell Inspiron 3020 Small Desktop | Service Manual - Page 51
Steps 1. Slide the system board at an angle with the rear external ports aligned to their respective openings at the rear of the chassis. 2. Place the system board onto the chassis. 3. Replace the seven screws (#6-32) and the screw (#6-32x3.8) to secure the system board on the chassis. 4. Route and - Dell Inspiron 3020 Small Desktop | Service Manual - Page 52
Screw list NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box. This is to ensure that the correct number of screws and correct screw type is restored when the component is replaced. NOTE: Some - Dell Inspiron 3020 Small Desktop | Service Manual - Page 53
1. Left-side cover 3. Memory module 5. Hard drive 7. Front cover 9. Power-supply unit 11. Fan and heat-sink assembly 13. Optical drive (optional) 15. Wireless card 2. Front-I/O bracket 4. Hard-drive cage 6. Hard-drive and optical-drive bracket 8. Chassis 10. System board 12. Fan shroud 14. M.2 2230 - Dell Inspiron 3020 Small Desktop | Service Manual - Page 54
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. 54 Removing and installing components - Dell Inspiron 3020 Small Desktop | Service Manual - Page 55
3 Drivers and downloads When troubleshooting, downloading or installing drivers it is recommended that you read the Dell Knowledge Based article, Drivers and Downloads FAQ 000123347. Drivers and downloads 55 - Dell Inspiron 3020 Small Desktop | Service Manual - Page 56
4 BIOS setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly. NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. NOTE - Dell Inspiron 3020 Small Desktop | Service Manual - Page 57
appear. Table 3. System setup options-System information menu Overview System Information BIOS Version Displays the BIOS version number. Service Tag Displays the Service Tag of the computer. Asset Tag Displays the Asset Tag of the computer. Manufacture Date Displays the manufacture date - Dell Inspiron 3020 Small Desktop | Service Manual - Page 58
Table 3. System setup options-System information menu (continued) Overview DIMM 2 Size Displays the DIMM 2 memory size. DEVICES Video Controller Displays the video controller type of the computer. Video Memory Displays the video memory information of the computer. Wi-Fi Device Displays the - Dell Inspiron 3020 Small Desktop | Service Manual - Page 59
USB drive. By default, Enable Front USB Ports is selected. By default, Enable Rear USB Ports is selected. By default, Enable USB Boot Support is selected. Front USB Configuration Enables or disables individual USB ports. By default, Front Port 1 (Bottom Left)* is selected. By default, Front Port - Dell Inspiron 3020 Small Desktop | Service Manual - Page 60
SATA/NVMe Operation Configures operating mode of the integrated storage device controller. Default: RAID On. Storage device is configured to support RAID. (Intel® Rapid Restore Technology) Storage Interface Port Enablement Enables or disables the onboard drives. Default: SATA-0 is ON Default - Dell Inspiron 3020 Small Desktop | Service Manual - Page 61
will extract Boot URL from the Dynamic Host Configuration Protocol (DHCP). Manual mode reads userprovided Boot URL. By default, Auto Mode is selected. Table 9. System setup options-Power menu Power USB Wake Support Enable USB Wake Support Enables USB devices like a mouse or keyboard to wake the - Dell Inspiron 3020 Small Desktop | Service Manual - Page 62
after this Secure Wipe Operation. Default: OFF Absolute® Enable or disable the BIOS module interface of the optional Absolute Persistence Module service from Absolute® Software. Default: Enable Absolute UEFI Boot Path Security UEFI Boot Path Security Configures whether the computer will prompt - Dell Inspiron 3020 Small Desktop | Service Manual - Page 63
Enables or disables the administrators' control over how users can or cannot access BIOS setup. Default: OFF Enables or disables master password support. Default: OFF Enables or disables Physical Security ID (PSID) revert of NVMe storage drives from the Dell Security Manager prompt. Default: OFF - Dell Inspiron 3020 Small Desktop | Service Manual - Page 64
main OS fails to boot within the number of failures equal or greater than the value specified by Dell Auto OS Recovery Threshold, and local Service does not boot, or is not installed. Default: ON Dell Auto OS Recovery Threshold Dell Auto OS Recovery Threshold Controls the automatic boot flow for - Dell Inspiron 3020 Small Desktop | Service Manual - Page 65
Virtualization Technology for Direct I/O (VTd). VT-d is an Intel method that provides virtualization for memory map I/O. Default: ON DMA Protection Enable Pre-Boot DMA Support Enable or disable the Pre-boot DMA protection for both internal and external ports. Default: ON Enable OS Kernel DMA - Dell Inspiron 3020 Small Desktop | Service Manual - Page 66
.dell.com/support. 2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search. NOTE: If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer. You can also use the product ID or manually browse - Dell Inspiron 3020 Small Desktop | Service Manual - Page 67
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. Updating the BIOS using the USB drive in Windows About this task CAUTION: If BitLocker is not suspended - Dell Inspiron 3020 Small Desktop | Service Manual - Page 68
● BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB drive ● AC power adapter that is connected to the computer ● Functional computer battery to flash the - Dell Inspiron 3020 Small Desktop | Service Manual - Page 69
the left-side cover. 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 on how to reset Windows or application passwords, refer to the documentation - Dell Inspiron 3020 Small Desktop | Service Manual - Page 70
Troubleshooting Locate the Service Tag or Express Service Code of your Dell computer Your Dell computer is uniquely identified by a Service Tag or Express Service Code. To view relevant support resources for your Dell computer, enter its Service Tag or Express Service Code at www.dell.com/support - Dell Inspiron 3020 Small Desktop | Service Manual - Page 71
problem persists, replace the system board. Run the PSU built-in self-test (BIST) to identify the issue, reseat the cables. If nothing works, replace the system board, power supply, or cabling. Flash corruption detected by system BIOS. If problem persists, replace the system board. Troubleshooting - Dell Inspiron 3020 Small Desktop | Service Manual - Page 72
HECI message. If problem persists, replace the the Dell Support website to troubleshoot and fix your Guide at www.dell.com/serviceabilitytools. Click SupportAssist and then, click SupportAssist OS Recovery. Real Time Clock-RTC reset The Real Time Clock (RTC) reset function allows you or the service - Dell Inspiron 3020 Small Desktop | Service Manual - Page 73
is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes multiple performed. The following procedure provides the instructions on how to conduct a WiFi power cycle: NOTE: Some ISPs (Internet Service Providers) provide a modem/router combo - Dell Inspiron 3020 Small Desktop | Service Manual - Page 74
more about your computer through videos, manuals and documents. In Windows search, type Contact Support, and press Enter. www.dell.com/support/windows Your Dell computer is uniquely identified by a Service Tag or Express Service Code. To view relevant support resources for your Dell computer, enter
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Inspiron 3020 Small Desktop
Service Manual
Regulatory Model: D17S
Regulatory Type: D17S003
March 2023
Rev. A00