Sir I have a desktop PC with msi G31 TM 21 board. The problem I am facing is it automatically stops in between. It stops working and at the same time SMPS/ inside fan etc. getting off. Some times it will work without any problem. Sometimes it just coming and going. I checked the on/off, reset swtiches, both okey. Again i checked SMPS unit, that also okey. Agan cleaned memory card etc. Also reloaded software etc. but problem still exists. What will the cause >??????
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More aboutboard fault findings
It can be that your power supply is failing and cutting out.