please any one tell how to increase dedicated v memory in and HD 6480g

[sanoob]

I have and 6480g 256 mb dedicated memory 1gb shared memory need to increase 512mb.any one give solution.please

 

[hang-the-9]

If the memory is in the video chip, no way to increase it. Check the BIOS, you may be able to reserve more system RAM to the card there.