Memory Diagnostic Tool !new! -

Few computer components are as reliable—or as infuriating—as Random Access Memory (RAM). When it works, you never think about it. When it starts to fail, it can mimic a failing hard drive, a corrupted operating system, or even a malware infection.

Shut down your Mac, press and hold the power button until you see "Loading startup options." Press Command + D to launch Apple Diagnostics. memory diagnostic tool

RAM either works perfectly or it doesn't. There is no middle ground. If your diagnostic tool finds a single error, your memory is compromised. Back up your data immediately, identify the faulty stick, and replace it. Your future self—the one not losing unsaved work to random BSODs—will thank you. a corrupted operating system