When Windows isn’t working correctly, one possible culprit could be faulty memory. Here's how to check your computer for memory problems on Windows 10, Windows 11, or an earlier OS.

Window Memory Diagnostics Tool or mdsched can be used to check for possible memory problems in Windows 11/10, including testing of RAM.

If after you run Windows Memory Diagnostics you see message Your computer has a memory problem, here's what you need to do.

When your computer is acting up, it could be a memory problem, and in this guide, we show you how to use Windows 10's built-in memory tool to find out.

If your PC restarts unprompted, freezes, or programs crash, this could indicate a RAM problem. We'll show you how to use the memory diagnostics tool to find out whether the RAM really is the problem.