I don’t understand where you’re seeing that your computer is going idle
Right click on the task bar and open Task Manager. Then open Studio, it’ll show up in the Apps section of the list and you will be able to see how much work Studio is doing with the CPU, memory, disk and network. If one of these goes to a very high value near 100% it will be a clue as to the problem on your PC.
How much DRAM do you have on your PC?