4gb Of RAM Installed, But Windows 7 Says 256 Usable
Jul 16, 2009
Earlier tonight I rebooted and noticed that it took an extremely long time to boot. Almost 10 minutes to get the desktop completely loaded. So I checked task manager > performance tab and it says I have only 256mb of RAM. So then I checked My Computer > Properties and noticed it said "Installed Memory (RAM): 4.00 GB (256 MB Usable)" I've had Windows 7 installed for a good 2 weeks now and never had a problem, until I rebooted tonight. I checked my BIOS and all my sticks show up. I DO NOT have a shared memory video card. Memory test checked out fine. I haven't installed any new hardware, nor touched the sticks at all. why Windows 7 started doing this?
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Sep 21, 2012
i have dell inspiron 5520 i install window7 32bit my ram is 8gb but show only 2.66 gb
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Feb 7, 2012
I have 6gb ram installed but only 3gb ram is usable why is this and how can I get it back to 6gb again.
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Dec 19, 2011
My motherboard is the ASUS Maximus III Formula, using Intel Core I5 760. And I recently did a dual boot on my system. One copy of Windows 7 Ultimate x64 on my original hard drive, and a Windows 7 Home premium x64 bit on another hard drive ( Hitachi ) and after a month or two, I had to format that ( Hitachi ) hard drive as I needed it for extra storage and now I'm getting only 2 Gb usable RAM but I installed 4Gb.
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Mar 1, 2011
i have corsair xms 2x2 4GB 9-9-9-24 1333mhz with phenom 965 and biostar890gxe..........for about 15days after aasembling the pc running windows7 x64 my pc showed ram installed 4gb 3.25 usable
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Aug 25, 2012
My PC says it has 4GB of RAM installed but only 3.5GB are usable, I have windows 7 home premium X64.
CPU: Athlon II x3 Unlocked to Phenom II X4 @3Ghz.
Motherboard: Asrock N68-VS3-UCC
RAM: 4GB DDR3 generic brand.
HDD: 1x 320GB SATA, 1x 250GB SATA and 1x 250GB IDE
GPU: XFX ONE 5400 series
PSUEM 500w PSU.
Windows recognized the full 4GB and the whole 4GB were usable but when I checked about 2 days ago it said that only 3.5GB were usable. I started to do a little research and I found out that my GPU might be using Hyper Memory so i tuned off my system, removed the GPU and when I went to see how much RAM was usable it said 4GB installed 3.25GB usable. So its not my GPU.
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Oct 20, 2012
My computer's memory was 2GB and i added 4GB more, but only 2GB is usable. I have tried many time take the Ram out and put it back but i still have the same problem.
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Nov 13, 2009
I have also checked the BIOS . but there is no place where i can dissble " Dram over 4Remapp" or something like that.
everything i can think of i have checked.
I know 32bit can't handle more than 2 or 3GB memory, but it can handle 2gb, that much i know.
when i start my computer. it show 1024mb ram . that counts that up. but in everything else it shows 2GB bit 1 usable.
and it says that 1024mb is hardware reserved, ( maybe it is that ? how do i change that ?
I have run a test. nothing wrong with either of the memory sticks
I also have seperat graphic card with 512BM Ram on.
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Dec 9, 2009
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 Bios it shows me that 6gigs in installed.
Now does that mean it is WIN 7 that is just reading my DDR3 RAM WRONG? But i am still getting the full performance for all of my 6GB DDR 3 RAM? Since my bios is reading all of the 6GB RAM?
Also i tried doing what other forums indiated i should be doing like type config and check mark or uncheck mark MAX MEMORY. Tried doing that, but noting happened.
Now the only thats left and i am having confusion with is, some people are saying i should Enable Memory remapping in bios? I have a nforce 790i motherboard, and i can't find that exactly in my bios mode. Is there any other way to fix this problem?
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May 9, 2009
I have 4gb RAM on the Dell XPS 1530 machine.
I installed Windows 7 64 bit from on two partitions.
The first one, a fresh install, Computer Properties shows 4gb RAM, the same value (4096) is also showed in Task Manager.
The second one, I upgraded from Vista 64 bit, it shows 4gb RAM (2usable), the same (2048) is showed in Task Manager.
I heard the story about Memory Remap, my mainboard didn't have it. However, the first case, it automatically recognize 4gb RAM, I guess Windows7 manages everything. Is there anyway I 'turn on' the rest 2gb in the second case?
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Dec 15, 2011
I have 4GB of RAM installed in my computer (the stock RAM; I have changed no hardware since receiving the laptop), but Windows tells me on 1.75GB of it is usable. Things I've tried so far, to no avail, include. Going into msconfig and switching off "Maximum Memory", Enable Memory Remapping in Bios (Bios has no Memory Remapping option)
Switching RAM Slots One RAM stick at a time (laptop would not start � tried both sticks in both slots) Ran Microsoft memory analysis? Updated some drivers
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Nov 19, 2011
I have 8GB of memory installed. Why can I only use 149MB?
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Dec 16, 2009
I recently upgraded from Vista home premium 32 bit to Windows 7 Home premium 32 bit. My system now shows RAM 4GB installed (2.97GB usable) this never happened in my vista version.
I have searched numerous threads on this forum but and have found similar issues but none of the threads seem to have been resolved.
I am thinking to revert back to Vista if i cant make full use of my RAM.
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Jul 31, 2012
I have 6144mb of ram on my Compaq Presario CQ62 402AU. So I have the 2GB Hp stick which came with the laptop (2GB DDR3 1066MHz) and I have a 4GB stick from G-Skill). So there should be 5.76GB usable, but I only have 1.74GB usable. This is what is it when I only had the 2GB. The Bios says there is 6144GB in there. Windows says there 6.0GB in there also.
So what I have tried:
- Running Mem Tests (HP one which came with my laptop and Memtestx86)
- Taking out the ram and putting them in there sorts again
- Taking out the ram, running a pencil eraser over the connecters and then putting them back in
- Doing testing so Only 1 is in and try that in both slots for both sticks of ram
- Swapping the ram positions
- Making sure that Max ram is not selected in Msconfig
So basic System info you may want to know (Most of my profile info is there of my computer) Windows 7 Home Premium 64-Bit SP1 Installed Memory (Ram) (This is from the basic system info page) 6.00GB (1.74GB Usable). The odd thing is that it worked fine for a while. Today I went to school with the 5.76GB and I come back home 8 hours later, the computer has only been on lock for this time and there is only 1.76GB usable.
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May 11, 2012
My laptop specsWindows says only 3gb out of the 4 I have installed are usable, why is that? Can I do something so that all 4 are usable?Attached is my dxdiag fileThis is my msinfo32 file: url...
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May 21, 2011
i am running windows 7 Home premium 64-bit and recently upgraded my RAM from 3GB to 4GB. Windows 7 reports only 3.25 being usable. i have a dedicated video card an my onboard one is definitely disabled. my BIOS reports 4096MB RAM detected. max memory and CPU are unchecked in msconfig. from looking at the resource monitor i see that 770MB of RAM is labeled as hardware reserved memory.also i don't know if my BIOS supports a memory remap feature or not but even if it does its a locked HP BIOS so most setting are inaccessible.is there any way to get my full memory? or does anyone know why this is happening on a 64-bit os?
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Oct 11, 2011
Under my Windows 7 performance information it is listed that I have 2.5 Gigs of usable RAM even though I have 4 installed. I think this is because I have 1.5 GB of graphics memory but I don't fully understand what that is. I also don't understand the difference between the listed "dedicated graphics memory(512MB)" and the "shared system memory" that I guess make up the 1.5 GB I'm "missing".I was thinking of installing a 64 bit version of my OS to take full advantage of my installed memory and I think my system is fully capable. I just need to have the right processor and enough memory to make it worth it correct? I assume my motherboard is capable if it is using a capable processor.
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Sep 3, 2012
Windows 7 Professional 64 bit - Has 8gb of ram (4x2gb), but system is only showing 3.99 usable. (Asus p7p55d board, Intel Core i7 860 - 2.80ghz)Slot 4 has a different 2gb card in it than the others (though still corsair)I've attached some CPUz SPD snips
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Aug 15, 2012
Just did a Windows 7 (64 bit) installation on an new HDD on a HP Pavillion All in One MS 220. 2 Issues
(1) I cannot see the CD/DVD as a available drive under the Computer but shows up when I click on Computer. I am not able to run anything on it.
(2) Not able to see any programs installed on the computer.
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Oct 19, 2012
New member here hoping to get help with my new windows 7 32 bit system.I have just switched all of my data over from windows XP to a new computer with this operating system only to realize that I will not be able to use the extra (16GB) of memory I just purchased.Am I stuck with the 2.89 GB usable unless I load windows 7 64 bit system?It was really dificult for me to get everything transfered over to my new computer especially all of my outlook stuff (rules, files, etc.)Would I be able to back everything up, and just transfer it to the new windows 7 64 bit system installation?
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Dec 14, 2012
Only 4gb Usable out of 8gb Memory in Windows 7
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Nov 19, 2011
I just installed more ram for my computer, i was running with 8bg total with 4 2bg sticks and i had some troubles with my first ram slot not working correctly so i switched to 2 4bg sticks a 2bg stick in the three remaining. after checking my ram available it is showing 5.99gb available. Just wondering if there is some tips as to why this might be happening? my bios hasnt been updated since 2009 and is a ASUS P7P55 LX.
Edit: my mother board is a ASUS P7P55 lx sorry.
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Oct 31, 2011
If I looked for a file on my system using Windows XP, I could tell the search where (which drive) to check for the file. The Windows 7 version seems to me to only search generally and, for example when I searched for 'MS Office Excel Converter' which I know was on a memory stick which the system had set to drive J:, the Windows 7 search could not find it. How can I get to a more usable search facility in Windows 7
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Dec 20, 2010
Today I noticed that my system is only using 3072mb of RAM, I have 4 GB in my system and they used to work pretty nice until now, before all 4 were usable, now Im missing 1. I thought this was because ram remap feature was diabled on the bios (BTW here's my board : Biostar G31 M7 TE). So I enabled it and rebooted my system. Turns out it's still the same... I tried also enabling the memory hole to 15-16 mb (the only setting appart from diables) same results. I think this is decreasing my PC's performance... edit: what seems to be doing this is the ''pci mmio allocation''
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Mar 7, 2012
32-Bit Windows 7 Shows 2.75GB Usable Ram out of 4GB
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Mar 19, 2012
I have Win7 64bit with 6GB memory. The Windows System control panel agrees with that showing 6GB ram and nothing about a limitation. But today I was opening a lot of files and the program wouldn't let me open more files after Windows memory use reached 4GB. Task Manager showed 4GB used out of 6GB. I tried opening another file with a different program and my screen flickered and the program shut itself off, so it looks like the problem is with Windows and not the other programs. How do I get Windows to use all available memory not just 4GB out of 6GB?
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Jan 14, 2013
As the title says, I only have 3.19 gb of RAM usable on a 64bit OS with 8 gb installed. I have checked my BIOS, it is up-to-date, but old. I have also checked Window's Resource Monitor, it knows 8gb is installed, but like earlier, can only use 3.19.Yes I am positive it is 64 bit. My motherboard is p45turbotwins2000. It recognizes that my RAM is installed.I have 2x4 gb DDR3 sticks.I just installed Windows 7 Home Premium 64bit. Nothing except Firefox has been installed.All Windows updates are installed.
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Jan 22, 2011
For some odd reason, my new Windows 7 32 bit laptop is constantly using 40+ precent of it's installed RAM. I checked my computer's properties and found that Windows is only using 2.84 gigs of my computer's 4 gigs of ram. Is there any way I can force it to use 4 gigs? Or at least, force it to use more than my current amount? I have attached a screenshot of my computer's RAM specs.
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Feb 8, 2013
I have an older desktop, Acer Aspire running Windows 7 Ultimate 32 bit, it had 4gb ram installed (I did know that only 3gb could be used)yesterday I took one of the ram sticks out ( had 4 x 1gb) and put in a different computer. Since then it has started crawling along, I have noticed that it says 3gb ram 1 gb usable. is this something that I need to go into the bios for? I ran the memory diagnostic tool this morning but did not get to see a report.
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Mar 8, 2011
I have quite a new ASUS laptop, which came with 64bit windows 7 and I took off and installed my copy of Windows 7 32bit (I didn't see the point in having 64bit on a laptop).
When I first installed the OS and everything Windows said I had 3.25GB ram usable or something like that which is normal but for some reason I now only have 2.92 usable and I don't know why >.< (this may have happened when SP1 was installed)
The specs are:
Intel(R) Pentium(R) CPU P6100 @ 2.00GHz
4GB DDR3 Ram
Intel HD Graphics
Mobile Intel HM55 Express Chipset
320GB 5400RPM HDD
Print screen of control panel>system: Image - TinyPic - Free Image Hosting, Photo Sharing & Video Hosting
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Jun 7, 2011
I have 4g of ram. In control panel it is listed 4.00gb RAM(Only 2.00gb usable) I have 2x(2g) sticksMemory hole remapping is enabled. Max memory is unchecked.I have an M4A785-M motherboard.I have Windows 7 Ultimate 64 bit.This problem started happening a couple weeks ago.
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