How To Run A Memory Diagnostic Windows 11 Jun 2026

A small window will pop up with two options. This is where the decision-making happens.

: Search for " Windows Memory Diagnostic " and select the app. how to run a memory diagnostic windows 11

Turn on your PC and immediately press (or your manufacturer's recovery key). Navigate to Troubleshoot > Advanced options . Click on Command Prompt . Type mdsched.exe and press Enter . Understanding the Test Phases A small window will pop up with two options

| Setting | Value | |---------|-------| | | Windows Memory Diagnostic | | Test Type | [Basic / Standard / Extended] | | Number of Passes | [Default is 2 for Standard] | | Cache Setting | [Default / On / Off] | Turn on your PC and immediately press (or

When RAM goes bad, it doesn’t always result in a computer that won't turn on. Often, it results in "flaky" behavior—data gets corrupted in transit, leading to mysterious crashes and blue screens. Thankfully, Windows 11 has a built-in tool to catch these invisible culprits: The Windows Memory Diagnostic.

You will be presented with two choices: