Question 1 Case Fan has just stopped working unless I smack it

FrannyPanny

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Apr 3, 2020
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One of my exhaust case fans has suddenly either stops working on boot up and only starts working once I hit the case or the fan to give it some spin to start. This happened suddenly after one day when I booted up my PC. Any clue to what's going on here?
 
If the fan is connected to the motherboard, it may be a 3 pin fan that is controlled by voltage regulation.
If the motherboard fan profile does not give a fan at least 5v, it will not start.
A nudge can overcome this.
Look in your motherboard fan profile settings and make certain that there is a sufficiently high setting to start with.

If the fan is pwm, it is controlled by voltage pulses and is likely defective or not plugged in securely.
 

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