When the tool finishes, it is essentially looking for these physical hardware failures:
Rare faults that only occur when a very specific sequence of bits is written to the RAM. Testing Modes what does windows memory diagnostics tool check
Failures where memory cells cannot hold their value for the required amount of time. When the tool finishes, it is essentially looking
It didn't say which stick, but it confirmed his fear. He downloaded a more specific tool called MemTest86. It pointed a finger at the second RAM slot. Leo powered down, removed the stick of RAM from slot A2, and restarted. When the tool finishes
The tool also tests how memory performs under pressure: