Build a PC Power supply units keep blowing

terry5880

Posts: 321   +3
Hi all got a hp media centre pc turned on and as loading it died and the psu went dead so ordered another one from ebay as it is rare psu hipro 5187-4875 got it this morning unwrapped it plugged it all in bingo turned on but then as loading it blew what can be making them blow . thanks in advance
 

terry5880

Posts: 321   +3
UPDATE I found out person I got it off they had a friend looked at it who said he stripped it is it possible he has put it back in wrong or something as it comes on for like 20 seconds then boom kills psu and then dont work after that psu is totally dead