Windows includes a built-in utility called ( mdsched.exe ) that scans your RAM for hardware defects. How to run Windows Memory Diagnostics Tool
You can open the tool using several methods across Windows 10 and 11: memory test in windows
If the tool detects errors, it typically means one or more of your RAM modules are failing. Windows includes a built-in utility called ( mdsched
Open multiple instances to cover 90% of free RAM, run for 300-500% coverage per instance. memory test in windows
: Press Win + R , type mdsched.exe , and press Enter .
Look for . The "General" tab will state if memory errors were detected or not. 4. Next Steps if Errors are Found