Testing Diagnostics on Dell Hardware

Explains how to run Dell’s built‑in hardware diagnostics and use error codes with the Dell Support website to troubleshoot hardware issues.

Overview

This article explains how to run hardware diagnostics on a Dell computer using the built-in Dell diagnostic tools.

How-To

1. For Dell computers, open the link: https://www.dell.com/support/article/us/en/19/sln114988/dell-diagnostic-tools-to-diagnose-and-fix-hardware-problems-on-your-dell-pc--tablet-or-servers?lang=en
2. Turn on the machine and press the F12 key when the Dell icon appears
3. Once the boot menu appears, use the arrow keys to select the diagnostics option, and press enter
4. Let the diagnostics run until it's complete
5. If one or more errors are reported, use the error/validation code to look up the corresponding issue on the Dell support website
6. Use your Service Tag Number on the computer, additional troubleshooting options, warranty information, driver updates, etc