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Lenovo PC boss: 4 in 5 of our devices will be repairable by 2025
(www.theregister.com)
This is a most excellent place for technology news and articles.
ThinkPads once were pretty easy to work on and repair, but then the whole soldering stuff to the system board and removing power bridge batteries happened.
If you look at something like a T430, it has access doors for everything on the bottom in addition to being built like a tank.