First check ur smps wether working by shorting green and black if not change ur smps to new one if working and still fan not working chenge ur fan and check working still not working the is fet near the processor fan change it or contact chiplevel service personsal
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First check ur smps wether working by shorting green and black if not change ur smps to new one if working and still fan not working chenge ur fan and check working still not working the is fet near the processor fan change it or contact chiplevel service personsal