Windows 10: red cpu light on motherboard flashing/on for a short period of time

Discus and support red cpu light on motherboard flashing/on for a short period of time in Windows 10 Software and Apps to solve the problem; I just upgraded my PC adding some new fans and changing gpu. In the meantime I also changed the thermal paste. The first boot up failed because the cpu... Discussion in 'Windows 10 Software and Apps' started by Serax4, Jan 18, 2023.

  1. SERAX4
    Serax4 Win User

    red cpu light on motherboard flashing/on for a short period of time


    I just upgraded my PC adding some new fans and changing gpu. In the meantime I also changed the thermal paste. The first boot up failed because the cpu fan was not inserted properly but after fixing that it worked. Now the PC pretty much runs perfectly but at most boot ups and sometimes while it is running not necessarly with a high workload the fans start spinning faster and the red CPU light on the motherboard starts flashing or stays on for a max of 1 minute. I am on Windows 10,My cpu is an Intel 9400fthe new gpu is a RTX 3060I have a total of 6 fans 2 in front, 1 in the back, 3 above +

    :)
     
    Serax4, Jan 18, 2023
    #1
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red cpu light on motherboard flashing/on for a short period of time

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