Description | Values |
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Dimension |
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Chipset |
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Processor |
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PCIe bus |
|
System Memory (RAM) |
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Supported operating systems |
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Description | Values |
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Audio ports |
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Video ports |
NOTE: Depending on the graphics cards that is installed on the computer, the available video ports may vary.
NOTE: HDMI port resolution is up to 1920 x 1200.
|
Network ports |
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USB ports |
|
PCIe expansion card slots (internal) |
|
SATA ports |
|
mSATA ports |
|
M.2 ports |
|
nVME ports |
|
Figure 1: Animated illustration of setting up a desktop.
Running a hardware diagnostic test can help you identify hardware-related problems and provide you with troubleshooting steps to help resolve the issue.
To determine if your Dell computer is experiencing a hardware problem, it is recommended that you first run a hardware diagnostic test.
If the computer can boot into the operating system, run the hardware diagnostic test using Dell SupportAssist.
If the computer cannot boot into the operating system, run the pre-boot system assessment test.
Watch this video to learn how to use the integrated preboot diagnostics to identify hardware issues on your Dell computer.
Duration: 00:01:34 (hh:mm:ss)
Closed captions: Available in multiple languages. Click the CC icon, and then select the preferred language.
SupportAssist
.The Dell Digital Locker allows you to view and manage your products, software, subscriptions, and licensing information in one location. You can:
To access Dell Digital Locker, go to https://www.dell.com/support/software. For more information, see the frequently asked questions about Dell Digital Locker.
Dell Digital Delivery is an easy and new way to buy software when you purchase a Dell computer. You can automatically download and install available software titles on select computers.
To learn more, go to the Dell Digital Delivery website.
Do you want to reinstall the operating system due to a computer crash, hard drive replacement, or other serious software problem with your Dell computer?
The Dell OS Recovery tool provides an interface to quickly download and create a bootable USB drive to reinstall the operating system. You can download the operating system recovery image that is customized for your Dell computer.
To download the Dell OS Recovery Tool, go to https://www.dell.com/support/home/drivers/osiso/recoverytool.
Need help to download and install third-party apps such as Microsoft Teams, Skype, Adobe Reader and more?
You can download and install third-party apps from the Microsoft Store or the software manufacturer's website.
If your computer cannot boot to the operating system even after repeated attempts, it automatically starts SupportAssist OS Recovery.
SupportAssist OS Recovery is a standalone tool that is preinstalled in all Dell computers shipped with the Windows operating system. It consists of tools to diagnose and troubleshoot issues that may occur before your computer boots to 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.
Learn more about how to Restore your system using SupportAssist OS Recovery.
There are many reasons that a computer does not start up or boot into the Windows operating system or displays a blue screen or STOP error when operating.
Learn How to Troubleshoot Blue Screen or STOP Error Code on a Dell Computer.
Are you experiencing the following Bluetooth issues on your Dell computer?
Follow the suggested quick steps to resolve Bluetooth-related issues.
Are you experiencing the following thermal issues on your Dell computer?
Follow the suggested quick steps to resolve fan-related issues on your Dell desktop.
Are you experiencing the following keyboard issues on your Dell computer?
Follow the suggested quick steps to resolve keyboard-related issues.
Are you experiencing the following sound or audio recording issues on your Dell computer?
Follow the suggested quick steps to microphone-related issues.
Are you experiencing the following display issues on your Dell computer?
Follow the suggested quick steps to resolve display-related issues on a Dell computer.
Are you experiencing the following mouse or touchpad issues on your Dell computer?
Follow the suggested quick steps to resolve mouse or touchpad-related issues.
Are you experiencing the following performance issues on your Dell computer?
Are you experiencing the following sound or audio playback issues on your Dell computer?
Follow the suggested quick steps to resolve speaker or headphone-related issues.
Are you experiencing the following touchscreen issues on your Dell computer?
Learn How to Troubleshoot Touch Screen or Touch Panel Issues.
Are you experiencing the following webcam issues on your Dell computer?
Follow the suggested quick steps to resolve webcam-related issues.
Are you experiencing the following wired network (Ethernet) issues on your Dell computer?
Follow the suggested quick steps to resolve wired networking issues.
Are you experiencing the following Wi-Fi issues on your Dell computer?
Follow the suggested quick steps to resolve wireless networking issues.
Learn how to view or download the Manuals and Documentation for your Dell Product.
For more information, click to expand a section below.
Computer maintenance means keeping your desktop or all-in-one in a good condition both internally and externally. A well-maintained computer looks good, lasts longer, and performs reliably. Regular maintenance helps increase the lifespan of the computer and protect the privacy and security of your data.
See our Dell Desktop Best Practices for Care, Use, and Handling and General Maintenance Guidelines For a Dell Computer.
If your Dell computer does not turn on or boot into the operating system, it is recommended that you first perform a hard reset. Performing a hard reset fixes many problems and also drains residual power that may be causing the problem.
Running a hardware diagnostic test can help you identify hardware-related problems and provide you with troubleshooting steps to help resolve the issue.
The diagnostics section of this article provides step-by-step instructions on how to run the SupportAssist or preboot diagnostic tests on your Dell Inspiron 3020 desktop.
Before you begin, temporarily suspend BitLocker protection in Windows. Learn How to Enable or Disable BitLocker with TPM in Windows. BitLocker protection will resume automatically when the computer is restarted.
The troubleshooting section of this article provides self-help resources to troubleshoot and resolve common issues on your Dell Inspiron 3020 desktop.
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