The Windows Memory Diagnostic tool is a built-in utility in Windows (Vista, 7, 8, 10, and 11) designed to test your system's RAM for physical errors. Faulty RAM can cause random Blue Screens of Death (BSOD), system freezes, and data corruption.
✨ Faulty or failing RAM modules ✨ Incompatible or incorrectly installed RAM ✨ Overheating or physical damage to RAM modules
If you find that your PC isn't performing to as-new standards, these RAM tools can help. Regularly check your device's RAM health ... Microsoft MemTest86 - Official Site of the x86 and ARM Memory Testing ... MemTest86. The standard for memory diagnostics. Boots from a USB flash drive to test the RAM in your computer for faults. Utilizin... MemTest86 How to run the Windows Memory Diagnostic tool. Jul 30, 2025 — run memory diagnostic
Press Windows Key + R , type mdsched.exe , and hit Enter . Choose Your Timing:
Results appear as a notification in the system tray after logging in. The Windows Memory Diagnostic tool is a built-in
✨ Identify faulty RAM modules ✨ Prevent data loss and corruption ✨ Improve system performance and stability
Select if you want to finish what you're doing. Regularly check your device's RAM health
These tools can help you identify issues with your computer's memory and ensure your system is running at its best.
Often with errors like MEMORY_MANAGEMENT .
Select to start immediately (save your work first!).
Once the test finishes, your computer will reboot normally. A notification usually pops up with the results, but it often vanishes too quickly. Here is how to find the detailed log: Right-click the and select Event Viewer . Navigate to Windows Logs > System .