GUIDE How to Fix NVRAM on macOS [Clover/OpenCore]

EliteMacx86 · Nov 1, 2022

poles said:
Actually my native NVRAM is working as its Z600 series. Previously I messed up something that why its not working. I have removed emulated NVRAM. Sorry for the trouble.

Glad it is working for you now.

oldman20 · Jan 13, 2023

I checked both OC and Clover method, same result when run
nvram myvar
Result is:
nvram: Error getting variable - 'mylar': (iokit/common) data was not found

But:
nvram -p returned same value when reboot, and brighter light, sound level saved after reboot to check, specially iMessage working, so I think emunate nvram still working in my case, right?

EliteMacx86 · Jan 13, 2023

oldman20 said:
I checked both OC and Clover method, same result when run
nvram myvar
Result is:
nvram: Error getting variable - 'mylar': (iokit/common) data was not found

Did you actually set any variable first?

oldman20 said:
But:
nvram -p returned same value when reboot, and brighter light, sound level saved after reboot to check, specially iMessage working, so I think emunate nvram still working in my case, right?

As per your specs, you should have a native NVRAM. Emulation is required especially for older systems and where the firmware is buggy.

oldman20 · Jan 14, 2023

EliteMacx86 said:
Did you actually set any variable first?

As per your specs, you should have a native NVRAM. Emulation is required especially for older systems and where the firmware is buggy.

Yes, setted first, of course
I mean emulation for Sony vaio vpceh18, oldest laptop i have
How about your health?

EliteMacx86 · Jan 15, 2023

oldman20 said:
Yes, setted first, of course

What variable did you set?

oldman20 said:
I mean emulation for Sony vaio vpceh18, oldest laptop i have

So, you're referring to your Dell one? If so, it should have a native NVRAM.

oldman20 said:
How about your health?

It's good now. Thanks for asking

Hope you're fine

Overplay5652 · Jan 5, 2025

I've done a NVRAM reset on my Mac Mini and now my monitor output dont work. I suggest everyone to avoid doing this at all cost.

There is a lot of reports of the same issue on the web and no solution.

You can see my story here: https://elitemacx86.com/threads/nvram-reset-and-monitor-output-screwed-black-screen-oclp.2202/

EliteMacx86 · Jan 6, 2025

Overplay5652 said:
I've done a NVRAM reset on my Mac Mini and now my monitor output dont work. I suggest everyone to avoid doing this at all cost.

There is a lot of reports of the same issue on the web and no solution.

You can see my story here: https://elitemacx86.com/threads/nvram-reset-and-monitor-output-screwed-black-screen-oclp.2202/

Even when using OCLP, one should reset the NVRAM using the Command+Option+P+R Key combinations. That always work fine.

Overplay5652 · Jan 7, 2025

EliteMacx86 said:
Even when using OCLP, one should reset the NVRAM using the Command+Option+P+R Key combinations. That always work fine.

Have a look here. Tons of reports.

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GUIDE How to Fix NVRAM on macOS [Clover/OpenCore]

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