Hey, if you got this far and your iMac is getting along in years, maybe pick up a BR2032 battery and replace the PRAM battery while you’re at it, as you have to get to this point to access it.
Note: the T25 spacer is behind and to the left of the logic board and below the HDD bracket.
Once they have, you'll be able to view a graph of their reputation gained over time.
Here's a preview of what the graph will look like:
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