LockDown Posted June 28, 2018 Share Posted June 28, 2018 Can a dead motherboard will cause psu fan not to spin? Link to comment Share on other sites More sharing options...
bronxteck Posted June 28, 2018 Share Posted June 28, 2018 psu power turn on signal sense is the green wire on motherboard molex connector you can test the powersupply by jumping green wire to any black ground wire that should fire the psu and its fan. Link to comment Share on other sites More sharing options...
google12 Posted July 17, 2018 Share Posted July 17, 2018 It is possible that the fan will work and spin if the motherboard is dead. Not that powerful but it will work due to the constant power supply. Google support once checked that if the power supplyGoogle support is also worse then the fan will spin. Link to comment Share on other sites More sharing options...
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