Follow the steps below: Restart your PC many times during the booting & then proceed to ” troubleshoot “. Under this option, select “ Advanced option ” and then “ startup repair “. Complete the process by following the instructions on the screen. By so doing, the problem should be solved. > Laptops > C Series laptops (ideapad) > C340-14IWL Laptop (ideapad) C340-14IWL Laptop (ideapad) Product Home; Drivers & Software; Troubleshoot & Diagnose Knowing the cpu probably can handle getting hot, you could maybe raise the lower limit in a fan adjustment plan to avoid having fan spinning up at lower temps. I hope it isn't a normal thing with fans spinning up and down on idle. I will get a Lenovo IdeaPad Pro 5 14" with an integrated gpu (on the cpu), in a few days, and I guess I will find out. aRIC.