How To Run Memory Diagnostics -

Your PC will reboot and boot directly into the blue Windows Memory Diagnostic screen. The test will run automatically. You will see a progress bar and a "Status" field that usually says "Running test pass 1 of 2..."

Windows includes a native utility called mdsched.exe that scans your RAM for errors before the operating system fully loads.

: Your computer stops responding during high-load tasks (like gaming or video editing). how to run memory diagnostics

Running the Windows Memory Diagnostic tool is the most direct way to check for RAM errors on your PC. It identifies hardware faults that cause blue screens, freezes, or system crashes. 🛠️ How to Start the Diagnostic Save all your work and close any open programs. Press , type mdsched.exe , and hit Enter .

Your computer will reboot into a blue screen and start the test automatically. ⚙️ Adjusting Test Settings (Optional) Your PC will reboot and boot directly into

Skip to MemTest86 on a USB drive — it’s more thorough and provides better reporting.

Most RAM has a limited lifetime warranty. If a stick is dead, you can often get a free replacement from the manufacturer (Corsair, G.Skill, Crucial, etc.). : Your computer stops responding during high-load tasks