Question GPU Overclock is being reset with every shut-off. Fix?

May 9, 2024
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I recently overclocked my GPU, got a pretty good overclock, and was happy with it.
However when I shut the PC down and started it again, my die and memory frequencies were back to stock.
I didn't recognize it at first but when I did it happened with every shut-off and restart.
Is there some setting in MSI Afterburner that I need to hit for it to keep my overclock? I thought it gets written to the card bios and should therefore stay active.
The PC came preloaded with some Gainward overclocking tool but I removed that and it still didn't keep my overclock.
I also think the previous owner didn't bother overclocking it and I doubt that the people who built it for him did overclock it as well, so that tool shouldn't have been used anyway.
Does anyone know the potential cause of that and how to fix it?