That doesn't sound good, how come you have to replace your laptop every 2 years, do you buy used or new? Loud fans resemble either to weak hardware with high CPU utilisation all the time, which could result in T++ not running or taking A LOT of time to start, you should try starting it and wait a day, or dried up thermal paste/dusty fans, you should always fix both when checking, also check if the fan spins freely. Cheap laptops often come with slow 2,5" HDDs that take forever to do anything, like half an hour to install CPU-Z. Next time look at least for a laptop with an SSD or even an M.2