Can a broken power supply connector cause a laptop to overheat?

I have (or had!) a Microsoft Surface Laptop 4 which I bought about 18 months ago, and had found to be a very good laptop which has been halfway around the world with me and not had any problems. Although the power supply unit failed after only a few months and had to be replaced, and while I was waiting for a replacement, I bought a cheap(ish) unofficial copy PSU, so ended up with two PSUs - one replacement official one and one cheap copy, which was good because I could leave one upstairs and one downstairs. I used either with no problems for about a year. Just recently I noticed that the chea

Question by drkvogel on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.