most of the CPUs shut off about 100C, but 81-91 is very hot. When I was using a T410, I think I could hit mid-80's temperatures only when running one of the cpu-torture utilities that would stress all the cores at the same time. I would expect idle temps in the 40's or 50's
I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.
If a response answers your question, please mark it as the accepted solution.