Sapphire hd 6870 no signal on msi 807a fuzion motheboard
hi..i`ve just bought sapphire HD6870 1Gb DDR5 from my friend to replace my old HIS 4850...but after i installed it on my MSI 870A FUZION, 6gb corsair memory, TX750M CORSAIR PSU..then turn pc on It`s sound 1 long beep and 2 short beep..it didn`t display anything on my BENQ 22" LED monitor when i saw on my LED it`s witten "NO SIGNAL" ...but when i tried using old 4850 it work smoothly without any problem..anyone can help me how to fix it ??? is it PSU, BIOS, or MEMORY issues ??