Late 2012 EM2546 27" iMac: Replacement Of HDD Further Questions!
Backstory:
The 3TB HDD failed in my 'Late 2012, EM2546, 27" iMac' and i need to replace it.
I got my machine asssessed from the Mac Center (an authorised repair center here in Sydney, Australia) and the quote for repair only mentioned replacement of the 3TB HDD and nothing about the PCIe SDD, so i am safely assuming its only my HDD that needs to be replaced.
But, as a side note i am also looking into (but undecided on) upgrading the PCIe Blade SDD.
I've done a fair bit of digging around online and on the iFixit website and understand the processes involved in physically replacing the main HDD, and the PCIe Blade, alongside supplementary pieces of hardware needed (OWC Thermal Sensor etc.).
...My queries are more geared towards the steps thereon after physically replacing the HDD (and potentially the PCIe Blade)...
So finally, my Question is:
After replacing the main Hard drive and/or PCIe Blade, is it as easy as turning on the machine and starting with the same menues and setup procedures as you would be doing if you were starting your iMac for the first time? and just going through the motions?
Or
Is there more to it and are there additional things that i need to do for me to have the end goal of having a running machine with a new HDD (and/or potentially a new PCIe Blade)?
I understand this a giant query and do extremely appreciate the help that anyone and everyone can give me. Thank you for your time guys!