Acpi\sny5001 Driver _top_ Now

"ACPI? That's power management stuff. SNY? That's Sony. 5001? No idea," I thought.

A few years ago, I bought a used Sony VAIO laptop. It was a beautiful machine—sleek, magnesium-alloy body, a gorgeous 1080p screen. But within an hour of using it, I noticed a problem: the fan was always on. Not loud, just a constant, low whirrrrr that never stopped, even when the CPU was at 2% usage. acpi\sny5001 driver

I went back to Device Manager. The yellow triangle was gone. had moved to "System devices" and was now named Sony Firmware Extension Parser . just a constant

Right-click → Update driver → "Windows couldn't find drivers." Standard. low whirrrrr that never stopped