okay so was using my computer(it has a towercasing ) with a sata supported powersupply all was working well then days back the computer won't run and on pressing the POWER button i would hear BEEP BEEP twice and no display so I disassembled and reassembled the whole motherboard and stuff like that and it still won't work then I had an old powersupply (not sata supported) of my old OPTIPLEX GX270 ,I installed that in my computer and worked well , no beep sounds(like those of system bell ) , but the powersupply won't fit in the casing because of its size so i installed it and putit on the side of table and use computer like that ,now whenver I touch my computer it would give me electric shocks :/ (the casing is of some metal idk which metal) , I never got electric shocks before its allworking well beside the electric shocks but i was wondering if those electric shocks affect on my comptuer in anyway ?like the motherboard or stuff
and p.s no shocks when i have my feet off the ground like on chair or while wearing sleepers ,help