sfc /scannow
Check for these symptoms – they indicate you should run the tests above: how to check ram health in windows 11
| Tool | Best for | Free? | Notes | |------|----------|-------|-------| | | Definitive hardware testing | Free (limited) | Runs from USB boot. Industry gold standard. Detects all errors. | | HCI MemTest | Testing within Windows | Free (up to ~2GB) | Great for intermittent errors. Run multiple instances. | | OCCT | RAM + CPU + PSU stress test | Free | Includes AVX testing which heats RAM more. | | TestMem5 (TM5) | Extreme overclocked RAM stability | Free | Very aggressive, finds errors MemTest86 misses. | | RAMMon | View SPD data (timings, temperature) | Free | No error detection – reads only safe data. | sfc /scannow Check for these symptoms – they