i really i get crazy to fix my proplem. my Amd Radeon 6470m comes with 1gb DD3 ram, but when i check my laptop setting i just see that i have 512mb.
i dont know if that comes from bios setting or something like that, but i know i searched too much with no solution.
i just came here to find with you guys some help maybe i can change the congfertion of my Radeon memory card.
by the way, this is my laptop details
Computer Model Inspiron N5110
BIOS Vendor Dell Inc.
BIOS Version DELL - 1072009
BIOS Date 08-03-12
Window Version Microsoft Windows 7 Ultimate
Manufacture Intel(R) Core(TM) i5-2410M CPU @ 2.30GHz
Clock Speed 2.4GHz
Memory Slot1[DIMM_A] 4096MB
Memory Slot2[DIMM_B] 4096MB