Pram reset on a mid2010 iMac

[zoran]

What exactly is done when a Pram reset is done on a mid 2010 iMac and how can it be done? What is the reason that this feature exists, what does it help?

 

[Nguyen Duc Hieu]

What is PRAM and SMC on a Mac and When to Reset Them

Is your Mac behaving erratically? Learn what PRAM and SMC are, how they influence your Mac's performance, and when to reset them to solve common issues.

www.saasgenius.com

Reset NVRAM on your Mac - Apple Support

If one or more settings stored in NVRAM don't work as expected on an Intel-based Mac, resetting NVRAM might help.

support.apple.com

NVRAM/PRAM: How to Reset & When Should You Use It on Mac

About what is NVRAM and what is it used for, when to reset NVRAM and how to reset it, etc. Also, tell the differences between NVRAM, Flash, and RAM.

iboysoft.com