On 09/06/2020 13:27, wrote:
A mainboard died, so I wished to salvage the i7 CPU therefrom. Has stock
Intel cooler. Can turn one of the locks 90 degrees, but the other 3 only
turn about 60 degrees, so can't pull them up. I have done this at least
100 times before.

I have no explanation but why not hack the pins off from below and
replace them with new ones?

ebay search = "Fastener Mount Pin For Intel Socket LGA 775 CPU Heatsink
Cooling Fan"

https://www.ebay.co.uk/sch/i.html?_f...at=0& _sop=12