When pc switch on cpu fan fan not working properly

HI,


when i switched on my computer ,display is there on monitor but CPU FAN is not working properly pls give me the reason .There is a problem with fan , mother board or SMPS
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  1. peekay_17 said:
    HI,


    when i switched on my computer ,display is there on monitor but CPU FAN is not working properly pls give me the reason .There is a problem with fan , mother board or SMPS


    What kind of cpu, cpufan, and mobo do you have? Make sure your cpufan is plugged in correctly and is in the correct socket plugin on your mobo.
  2. Is the cpu fan connector plugged into the 4 pin fan connection on your motherboard?
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