my PSU might be broken???

sunit swapnasarit

Distinguished
Jun 19, 2014
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when I plug in my pc.... it starts automatically....... but I didn't press the cpu switch....Then I lower the power of PSU from 230wtt to 130 wtt..... n then when I plug in suddenly my PSU explode (brusts)..... I am using a gpu geforce gt 610 2 gb ddr3. ........what should happend to mu PSU and what should be the cause??? please tell me anyone if know about it??