How should you troubleshoot a PC that on powerup the fan spins a second then stops, then powers a second, then stops and can't get through to booting up? If the power
![any idea why my cpu fan is making noise? It stops when I touch the fan or give the case a smack. It is screwed on tight. : r/pcmasterrace any idea why my cpu fan is making noise? It stops when I touch the fan or give the case a smack. It is screwed on tight. : r/pcmasterrace](https://external-preview.redd.it/any-idea-why-my-cpu-fan-is-making-noise-it-stops-when-i-v0-9QrNaQ4BLgPc66bd6NX5zYpyDqq0tKmeVgAqRQmB2NY.png?width=640&crop=smart&format=pjpg&auto=webp&s=a5c30832a969e6e47f66d12a0c2b3241cf37fcaa)
any idea why my cpu fan is making noise? It stops when I touch the fan or give the case a smack. It is screwed on tight. : r/pcmasterrace
![Computer won't Turn on | How To Fix PC Fan spins For Few Seconds Then stops With Some Ways - YouTube Computer won't Turn on | How To Fix PC Fan spins For Few Seconds Then stops With Some Ways - YouTube](https://i.ytimg.com/vi/w0pTkAxV530/maxresdefault.jpg)