64 bit os, 6gb ddr3, showing 4.99 usable Tags: DDR3 Components Last response: April 15, 2010 3:18 PM in Components Share keytthom April 15, 2010 3:14:17 PM any idea why?? thanks More about : bit 6gb ddr3 showing usable keytthom April 15, 2010 3:15:01 PM oh and sorry about the huge watermark shortstuff_mt April 15, 2010 3:17:50 PM Here's the first thing to try: Type "msconfig" in the search box Go to the boot tab Click Advanced Options Make sure that the Maximum memory checkbox is NOT checked Can't find your answer ? Ask ! Get the answer keytthom April 15, 2010 3:18:56 PM aha, i think that may have solved it, it was ticked.... thankyou ever so much Can't find your answer ? Ask ! Publish Related resources I recently installed a 4x4GB kit of DDR3 ram onto my motherboard. Windows 7 Pro 64bit is showing I have 32GB ram (16GB usable Forum intel g2020 with Win7 64 bit os only showing memory 3.69 gb usable Forum Win7 64bit 6gb RAM shows only 2gb usable Forum Solved3.45GB usable with 6GB RAm in Windows 8.1 (64bit) help. Forum Solved8GB Ram only showing 6GB 64bit Forum Windows 8. 6gb (3.25gb usable) 64-bit. Help! Forum Windows 7 Home Premium 64-bit Laptop, 6GB RAM installed 3.99/4GB usable Forum 4gb showing 3gb ram usable in windows 7 32bit os Forum Win7 (pro 64bit) recognizing all 12GB but saying only 6GB is usable?! Forum 6GB of RAM, Windows 7 64-bit says only 3GB is usable Forum Win7 (pro 64bit) recognizing all 12GB but saying only 6GB is usable?! Forum 64 bit windows 7 only showing 3.24 usable..? Forum SolvedWindows 7 64-bit showing 4GB RAM instead of 6GB Forum Solvedi have install win 64bit in 4gb ram but it show 2.95 usable why???? Forum SolvedKingston 4GB DDR3 RAM KVR13N9S8/4 problems with my Windows 8.1 64-bit OS Forum Win 7, 64-bit OS Memory reserved (3.36 usable) Forum Solved64bit OS showing 3GB RAM Forum i installed 2 X 2 gb ram but pc shows installed 6gb in windows7 64 bit Forum Windows Vista 64-bit showing 3.25GB RAM instead of 6GB Forum 6gb memory but only 4gb showing on 64 bit win 7 Forum More resources Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !