shivamgoyalindia42 :
my ram is kingston hyperx fury ddr3 4 gb ram 1866 mhz and my board is american megatrends G41d3c dual core max 1330 mhz
when i install ram on motherboard ram is not working
American Megatrends would be your BIOS, not your motherboard. Is it this Biostar G41D3C?
http://www.biostar.com.tw/app/en/mb/introduction.php?S_ID=518