so i bought a prebuild pc lenovo y520
and i took out the gpu ram hard drive ssd and cpu
now im trying to sell the prebuild so i bought new cpu ram and hard drive
the gpu i took from my brothers gtx 970
now the prebuild pc wont post and beeps 3 times and 1 long beep
how do i fix this
the gtx 970 works in my new pc but not in the prebuild
the prebuild dosent have os installed and i cant see anything because no signal on monitor and i tried everything to fix it
and i took out the gpu ram hard drive ssd and cpu
now im trying to sell the prebuild so i bought new cpu ram and hard drive
the gpu i took from my brothers gtx 970
now the prebuild pc wont post and beeps 3 times and 1 long beep
how do i fix this
the gtx 970 works in my new pc but not in the prebuild
the prebuild dosent have os installed and i cant see anything because no signal on monitor and i tried everything to fix it