hay every body my name's maged

i installed mac os x"IATKOS V3" on my pc,but the vga doesn't work and the resolution stuck on 1024*768 and my resolution is 1366*768 ,and i try to editing plist.boot and install kext but didn't work what can i do to make it work

my species :
MB.Gigabyte G41 Combo
HD. 1 TB
Ram. 2*2G
CPU. DualCore 2.7/2M
Sound .inBoard Via Intel Corporation N10/ICH 7 Family High Definition Audio
net card.Atheros Communications AR8151 v1.0 Gigabit Ethernet
VGA.inboard GMA X4500

note . i downloaded kext for vga but didn't work

plz i need to make it done help me guys