hafid007

hi i have a avtech avc 777m after my power suplly burned i tryed to conected it with pc power suplly but during the conction to the pin hole i reverse them i put 12v in the 5v place and 5v in the 12v place when i turned it on i heard a beep then a smoke comes out from the mainbord exactely from bd25 burned after the cheking it was a fuse and i replaced it by and other one afther that i conected it corectely and i saw the blue sceen with HDD detecting message and all the front panel controle leds are on and i already tryed to rest it but still the same problem after i checked all the mainbord bds so please i need your help ???? thank you so much .

thank you for the answer suky