How To Do Memory Test Windows 11 ~upd~ May 2026

“It could be the RAM,” his friend Jamie said. “You should test it.”

From that day on, whenever a Windows 11 PC acted strangely, Alex ran the memory test first — just to be sure.

When Windows finally loaded again, a notification popped up after login: “The Windows Memory Diagnostic tested the computer’s memory and detected no errors.”

Alex breathed a sigh of relief — his RAM was fine. He later discovered the real culprit was a buggy graphics driver. But because he ran the memory test first, he ruled out the most common hardware suspect without spending a dime or opening the case.