Windows Memory Diagnostic Mdsched.exe Microsoft Documentation Direct

(This makes memory diagnostic run on next boot.)

Once the computer restarts, the standard Windows Memory Diagnostic interface loads. (This makes memory diagnostic run on next boot

| Tool | Why use it | |------|-------------| | (free) | More exhaustive, boots from USB, supports all RAM types, better for intermittent errors. | | PassMark MemTest86 Pro | Paid – adds reporting, automation, ECC testing. | | Prime95 (Blend test) | Tests RAM + CPU IMC under heavy thermal load. | | Windows built-in tool | Convenient, no USB required, good for quick checks. | boots from USB

If mdsched.exe reports errors, the next step is physical isolation. supports all RAM types

This covers everything you need to use Microsoft’s official memory diagnostic effectively.