Is there a preferred order in which I should reset the NVRAM/PRAM, SMC, and OS on my MBP?
If so, what is this order (and why)?
Edit: I intend to do all of them to completely reset my computer. No need to explain what each does, I know what they do.
MacOS – Preferred Order of NVRAM/PRAM, SMC, and OS resets
macbook promacosnvrampower-management
Related Solutions
As of at least iOS 8 you can change the order of languages in Settings > General > Language and Region under the heading Preferred Language Order.
In the Apple Support article on SMC reset it reads "On MagSafe power adapters, the LED might change states or temporarily turn off when you reset the SMC.". Other than that SMC reset does nothing visible. So probably the reset is working.
It seems like the battery is dead. In that case the Mac will throttle the CPU to reduce power consumption. This explains also the high load. Since the battery is necessary to buffers peak loads, the MacBook relies on it to operate properly.
You must replace your battery.
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Best Answer
Yes, don’t do any of these until you have a very specific reason to do each. They handle entirely different functions so cycling through each of them would be equivalent to not even refining what you want to handle.
Take a medical analogy:
Prescribing the wrong treatment just wastes time and can cause further injury if you’re not treating the actual problem at hand.