What is the difference between (these four) sleep states?
Problem
Whilst browsing the internet I found an article here about how to run a Power Efficiency Report. As I wasn't doing anything, I decided to try it and see what it did. In the results it listed the following four sleep states with true of false next to them showing if my PC supports it. S1 S2 S3 S4 What are the differences between these sleep states?
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Fix for: What is the difference between (these four) sleep states?
S0 - On / Working The computer is powered up. If supported, power conservation is handled by each device. S1 - Sleep CPU is stopped. RAM maintains power. Everything else is off, or in low power mode. S2 - Sleep CPU has no power. RAM maintains power. Everything else is off, or in low power mode. S3 - Standby CPU has no power. RAM maintains power, refreshes slowly. Power supply reduces power. This level might be referred to as “Save to RAM.” Windows enters this level when in standby. S4 - Hiberna…
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