6GB ram installed only 4GB showing in bios

**edrik** · April 2nd, 2012 02:05 AM

Hi guys I got 6GB of ram installed in my PC but my bios only shows 4gb available... although speccy and cpu-z shows i still have 6gb installed... btw I'm running 64 bit windows 7

**designfjotten** · April 2nd, 2012 06:41 AM

Hello: Edrik
What motherboard do you have? -if your motherboard has dual memory slots, you must have 2, 4 memory modules, and have seen them, if you say what motherboard you have so I can find out all this for you

I have built many PC and work with this

Is it 3 memory modules you have? or 4?
Have you updated your BIOS?

**edrik** · April 2nd, 2012 01:37 PM

Hi designfjotten, my mobo is ASUS p6T Deluxe v2 and yes I have the latest BIOS, I always had 6gb until this weekend... I dont know what happened, to my surprise, after checking my system properties I only have 4gb usable.

**designfjotten** · April 2nd, 2012 07:33 PM

Originally Posted by edrik

Hi designfjotten, my mobo is ASUS p6T Deluxe v2 and yes I have the latest BIOS, I always had 6gb until this weekend... I dont know what happened, to my surprise, after checking my system properties I only have 4gb usable.

if you allways had 6 gb, then its real simple one of your memorymodules is damaged or broken

sorry bud, try to run memory check before u enter windows

https://oca.microsoft.com/en/windiag.asp

sometimes, i just switch the modules, and check again

donno why it helps, but sometimes it fixes the problem

**twizzz** · April 2nd, 2012 08:08 PM

Originally Posted by edrik

Hi guys I got 6GB of ram installed in my PC but my bios only shows 4gb available... although speccy and cpu-z shows i still have 6gb installed... btw I'm running 64 bit windows 7

One thing that causes this is in your msconfig if you have the bootup max amount memory checked youll need to uncheck it then recheck it and reboot...