fan noisy on boot

So ocassionally, after i boot up pc from sleep/hibernate, or just at the start of the day, I've been having this problem where one of my front intake fans make noise and slightly slow down. the fan is a fan I had previously when I moved my system to a new case a month ago, the fan that came with...

Recently, whenever I boot up my PC in the morning, the fans are noisy. Restarting the PC fixes that for the rest of the day. How do I fix this? I don't wanna go through the process of restarting my PC every morning :( Specs: MSI Gaming Z 1070 core clock i7 6800k - no OC Corsair Vengeance LPX...