ixen

Hello , i've an issue with my power supply , just bought it (Smart SE 730W) plugged it , powered on my pc then started installing OS after that windows booted i was going to install drivers then , my pc auto shut down , tried it on another pc it doesn't work , tried another psu standard 450w my pc works so the psu doesn't work anymore and this the first time used it , also i live in algeria i can't send it to thermaltake , what should i do ?