512 mb ram installed but system shows 248mb

[devashish]

Hi friend's i have installed 512mb ram but it shows 248 please help me i m confused

 

[mohamedmoussa]

hey
I think 1 of your RAM is not working

try first to boot with the first one , then try the another one

 

[spentshells]

Integrated video is using 256 MB of ram and the Onboard sound is using 8 MB