[SOLVED] RAM Setting not Displaying Properly

[vinylrain]

My Mountain Lion iMac is having some problems. I have 12GB of RAM in my computer, but it only displays 4GB. Here is the thing. At first it showed the full 12GB. Then, it started showing 6GB so I pulled out the RAM and rearranged it. After it rearranging it, it shows 4GB. I'm not sure if this is the right section for this, but I really need help.

 

[musical marv]

My Mountain Lion iMac is having some problems. I have 12GB of RAM in my computer, but it only displays 4GB. Here is the thing. At first it showed the full 12GB. Then, it started showing 6GB so I pulled out the RAM and rearranged it. After it rearranging it, it shows 4GB. I'm not sure if this is the right section for this, but I really need help.

Bring it to an Apple reseller they will help you.

 

[JustSomeJoe]

Sounds like some of the RAM sticks aren't compatible; Apple will help if you bought the RAM from them.