Top 10 ways to save PC computing energy

This is all well and good, but I've never owned a PC that didn't get errors when coming back from sleep or hibernate. A clean install usually works ok, but this doesn't last long.

To be fair it's probably not Microsoft's fault entirely. Generally seems to be a driver that causes the hassle (often a USB device).

This is one aspect that Apple has right (or at least a lot, lot better).

# sysctl hw.setperf=0