Windows Memory Diagnostic |verified| -

| Option | Choices | Recommendation | | :--- | :--- | :--- | | | Basic, Standard, Extended | Standard is sufficient for most issues. Use Extended if you suspect rare, intermittent errors. | | Cache | Default, On, Off | Leave on Default . Disabling cache makes tests slower but more thorough. | | Pass Count | 0–99 | Set to 2-4 passes for a reliable check. The default is usually 2. |

Its primary function is to write data patterns to your RAM, read them back, and check for discrepancies. Any mismatch indicates a potential hardware failure in one of your memory modules. windows memory diagnostic

Use WMD for a quick first-pass test. If it finds errors, you are done (replace RAM). If it finds no errors but problems persist, run MemTest86 for a more thorough investigation. | Option | Choices | Recommendation | |