PC only turn on when case fans not connected
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Lighttninx
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Updated on Aug 29, 2017 at 12:28 PM
xpcman Posts 19528 Registration date Wednesday October 8, 2008 Status Contributor Last seen June 15, 2019 - Aug 29, 2017 at 12:50 PM
xpcman Posts 19528 Registration date Wednesday October 8, 2008 Status Contributor Last seen June 15, 2019 - Aug 29, 2017 at 12:50 PM
Hi guys, im building a new pc and i have had a problem where all my components turn on for one second and then switch off.So, unplugged each cable from the spu and tested each one.Then i realised when the case fans are connected to the motherboard,the compter spins for one second when the case fans are no connected the compter turns on normally.
Any ideas?Thanks.
Any ideas?Thanks.
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1 response
xpcman
Posts
19528
Registration date
Wednesday October 8, 2008
Status
Contributor
Last seen
June 15, 2019
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Aug 29, 2017 at 12:50 PM
Aug 29, 2017 at 12:50 PM
it appears that your case fans are drawing excessive current thru the motherboard. the MB is then shutting down to protect itself. Either replace the fans or run them off a power connector.
Good Luck
Good Luck