There are two primary ways to access the tool in Windows 11.
: Press Win + R , type mdsched.exe , and hit Enter . Choose Your Option : windows 11 memory diagnostic tool
You should run a memory diagnostic if you experience the following symptoms: There are two primary ways to access the tool in Windows 11
Using the Windows Memory Diagnostic Tool is the fastest way to rule out hardware failure when troubleshooting an unstable Windows 11 PC. | | Reporting clarity | ⭐⭐ | Minimal
| | Rating | Comments | |---------------------------|------------|---------------| | Ease of use | ⭐⭐⭐⭐⭐ | Simple, GUI-driven, no setup. | | Detection accuracy | ⭐⭐⭐⭐ | Reliable for moderate to severe faults; misses intermittent errors. | | Test coverage | ⭐⭐⭐ | Limited compared to MemTest86 (e.g., no rowhammer test). | | Reporting clarity | ⭐⭐ | Minimal detail; no sector/address info. | | Boot-time execution | ⭐⭐⭐⭐ | Isolated OS environment reduces false positives. |