06/19/2025

Your Mac is doing something weird, so somebody on the internet told you to “reset the SMC and PRAM.”
Classic.
Before you start holding four keys like you’re entering a cheat code, there’s one important question:
Does your Mac have an Intel processor or Apple silicon?
That matters because a lot of SMC and PRAM advice floating around online was written for older Intel Macs. If you have a newer Mac with an M-series chip, most of those key combinations simply don’t apply.
Here’s the current way to approach it.
Let’s get the alphabet soup out of the way.
SMC stands for System Management Controller. On Intel Macs, it helps manage things like power, charging, fans, thermal behavior, sensors, USB power, and certain hardware functions. Apple says an SMC reset may help with some uncommon power, thermal, charging, or hardware-behavior problems.
NVRAM stands for Non-Volatile Random-Access Memory. You may also hear the older term PRAM. It stores a small number of system settings such as sound volume, display resolution, startup-disk selection, and time zone.
The important part:
These are troubleshooting tools, not magical “make my Mac faster” buttons.
Probably not as your first move.
Apple specifically says most people do not need to reset the SMC, but it can sometimes help on Intel Macs with issues involving things like:
Before going further, restart the Mac normally and install any pending macOS updates.
If the problem continues, then the reset may be worth trying.
Don’t guess based on the year.
Go to:
Apple menu → About This Mac
If the window shows Chip followed by something like Apple M1, M2, M3, M4, or another Apple chip, you have Apple silicon.
If it shows Processor followed by an Intel processor, you have an Intel Mac.
That one distinction prevents a surprising amount of internet troubleshooting nonsense.
This is the easy section.
There is no old-school SMC key combination to perform.
Apple’s current instructions are simply to make sure the Mac is connected to power and then either:
Apple says no other steps are needed because the SMC resets automatically on Macs with Apple silicon.
So if another guide has you performing finger gymnastics on an M-series Mac, you can give your hands the day off.
You don’t manually perform the old Option + Command + P + R reset on Apple-silicon Macs either.
Apple says the NVRAM-reset procedure used on Intel Macs doesn’t apply and isn’t needed on Apple silicon.
If your Apple-silicon Mac is still behaving strangely after a normal restart, you’re better off troubleshooting the actual symptom rather than repeatedly searching for a nonexistent reset combination.
Now the traditional reset procedures become relevant.
For an SMC reset, you first need to know whether your Intel Mac has Apple’s T2 Security Chip.
Apple maintains a list of T2-equipped Macs, so if you’re unsure, check the specific model instead of assuming based only on its year.
Apple recommends trying a simpler restart procedure first:
If the problem continues, perform the full SMC reset:
Those key positions matter. Yes, Apple somehow found a way to make left-versus-right Shift important.
For an Intel desktop with the T2 chip:
Much easier on the fingers.
This one is more straightforward.
If settings such as your sound volume, display resolution, startup disk, or time zone keep behaving strangely, an NVRAM reset may help.
To reset it:
During those 20 seconds, your Mac might appear to restart. Depending on the model, you may hear the startup sound more than once or see the Apple logo more than once.
Afterward, you might need to readjust a few settings that were stored in NVRAM.
No.
These procedures are not the same thing as erasing your Mac or reinstalling macOS.
An SMC or NVRAM reset is aimed at low-level hardware behavior or stored system settings—not your photos, documents, applications, or other personal files.
That said, keeping a current backup is always smart before moving on to more invasive troubleshooting such as disk repairs, macOS reinstallations, or erasing the computer.
“Nothing should happen to my data” and “I have absolutely no backup whatsoever” are two sentences that should never have to meet each other.
This deserves its own warning because it isn’t automatically an SMC problem.
A flashing question-mark folder means the Mac cannot find a usable startup disk or a working macOS installation.
If the question mark appears briefly and the Mac eventually starts, Apple recommends checking the selected startup disk. On an Intel Mac, resetting NVRAM can also be appropriate if that doesn’t solve it.
If the folder stays on the screen and the Mac doesn’t boot, don’t sit there resetting NVRAM twelve times.
That’s when you should use macOS Recovery and Disk Utility to diagnose the startup disk.
Then the problem probably needs more specific troubleshooting.
For example:
The reset is a troubleshooting step—not an exorcism.
Interestingly, yes.
Apple specifically recommends resetting NVRAM as a final preparation step when selling, trading in, giving away, or recycling an Intel-based Mac.
On newer Macs with Apple silicon or the T2 chip and a supported macOS version, Apple’s Erase All Content and Settings process handles the much bigger job of removing your personal information and preparing the computer for its next owner.
If you’re getting your Mac ready to sell, don’t stop at an SMC or NVRAM reset. You’ll also want to make sure your personal data and account locks have been properly removed.
If a restart and the correct troubleshooting steps don’t solve the problem, you may be dealing with a real hardware or software failure.
And depending on the age of the Mac, there eventually comes a point where spending another Saturday troubleshooting it stops being fun.
If that point has arrived, you can check what GoRoostr is currently paying for your exact Mac:
See what your MacBook is worth
Have a MacBook Pro specifically?
Even if your Mac has an issue, use the actual model and condition choices in the quote form rather than picking the closest thing and hoping nobody notices. Our inspection team tends to notice things. It’s sort of their job.