Windows 7 Forums
Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.

Windows 7: Please help I have 6gb ddr3 ram but only 1.75 usable

15 Nov 2015   #11

win 8, win 7 dual boot 64 bit

open run > type - %temp% and press enter > delete all temp folder files > then empty recycle bin. Then check your RAM

My System SpecsSystem Spec
15 Nov 2015   #12
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot

It may just be that the RAM is not compatible with the computer. Some HPs can be fussy about that.
My System SpecsSystem Spec

 Please help I have 6gb ddr3 ram but only 1.75 usable

Thread Tools

Similar help and support threads
Thread Forum
Will DDR3 1666 slot work with older DDR3 1333 mem stick? (laptop)
Hello my old laptop Acer aspire 7551g had 4gb DDR3 1333. The new one is Lenovo G500s with DDR3 1single 1666 so i have one slot left. So DDR3 1333 + DDR3 1666 will work or not? The goal is to have 8gb ram so i can cheak if Watch Dogs still lag when driving :) (i know one stupid game not...
Hardware & Devices
gigabyte motherboard supports 32G DDR3 computer says only 16G usable
I recently built a new PC for gaming and the gigabyte motherboard manual says it's expandable to 32G. I put 4x8G sticks and the computer shows 32G but says only 16G is usable. What's up?
Hardware & Devices
16GB DDR3 1866 installed. (7.97GB usable) 7 Ultimate
So, i'm using 7 ultimate, and I've recently installed16GB of G.skill DDR 1866 mhz memory (2 8GB sticks). I've gone into the BIOS and manually set the speed to 1866, and the system is only showing about half of it as "usable" So the first thing I checked was of course the ram itself. I've reseatted...
Hardware & Devices
8gb ddr3 windows 7 ulitmate x64 3.87 usable
i am running AMD QUAD CORE FX-4170 4200MHz Bulldozer 8GB DDR3 memory (2 x 4GB 1333MHz) ASUS M5A78L-M/USB3 Motherboard 680W G7 Power Extreme ATX PSU ASUS NVIDIA GeForce GT610 2GB Graphics Card Anyway my problem is that in windows 7 under system, sometimes it will say i can only use 3.87gb...
Hardware & Devices
6GB DDR3 Ram Installed BUT only 2.75 USABLE?!
Okay so i have a Quad core x6850 Intel CPU, EVGA 280GTX GPU CARD. Now i installed window 7 x86 bit version ULTIMATE. And i have 6GB DDR3 RAM INSTALLED INTO MY geforce Nforce 790i motherboard. Now the problem is that in Windows 7 it shows "Installed Memory: 6.00GB (2.75 GB Useable)". But in...
General Discussion

Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 11:17.
Twitter Facebook Google+