Tool: Memory Diagnostic

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.

Restart and hold D immediately after the startup chime. memory diagnostic tool

Never waste time. Boot MemTest86 from a USB drive and let it run overnight. One pass is insufficient. Eight passes is standard. Twenty-four passes is conclusive. a corrupted operating system