Usable RAM Issue (2.17GB out of 4GB)

Hello all,
I'm using a 15' early 2011 macbook pro (nothing modified; default specs)
its running mac os X mountain lion and windows 7 Ultimate 32 bit on Boot camp
i usually have 4GB RAM, but when i check my system specs in windows, it shows "installed memory (RAM): 4GB (2.17GB Usable)".
and it is actually only using 2 GB, because when i open task manager, it shows memory usage; when its about 1.3GB its halfway full (filling bar)
why does this happen? Does the problem depend on my OS or is it just the hardware?
Thanks in advance

No.
Your computer is 64 bit
64 bit Windows runs 32 bit programs.
New programs are written for 64 bit systems.
your computer has more ram than 32 bit Windows can address.
Why did you install 32 bit Windows?

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Note to Apple... Please fix.
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Failed RAM.
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Make sure you install the memory when the light is not flashing, i.e. completly off not sleeping.
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This signature left intentionally blank.

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<span class="text">
Keywords: <font>4GB ram, installation, xfi, x-fi
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Could DanielK please mod this as well, so we can try them. Or Daniel, you could you please tell me how you modified the previous drivers from auzentech as I dont know how these CL drivers work and are modified. What is the inf in these drivers, and if you could tell me the deviceID?s of all the x-fi models, or atleast for x-fi xtreme music as it is my modell. Thx in advance!
EDIT:
I have modified the drivers, was not so hard after all. Im uploading the file now, which should have support for all X-FI cards thanks to Daniel's great job with the earlier version.
Upload finished in 4-5minutes. I will post with link soon to rapidshare!

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cheers

Try to get your MBP functioning. Perform SMC and PRAM resets:
http://support.apple.com/kb/HT3964
http://support.apple.com/kb/ht1379
Try a Safe Boot:
http://support.apple.com/kb/HT1564
Kernel Panics can be caused by hardware or software issues. When they occur, log it and post it for review:
http://support.apple.com/kb/ht2546
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http://www.kelleycomputing.net/rember/
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RAM issues continued

Hey everyone!
I was just reading an archived post from around this time last year entitled "Strange RAM issue." I too have had a strange RAM issue and specifically with my G4 PowerBook (15", 1GHz) and OWC. I also wanted to upgrade from 512 to 1GB and could never get the machine to work at 1GB. I am currently in the process of sending back my third consecutive OWC brand RAM to them and they are finally going to send me some TechWorks memory that I'm hoping will work. I just can't believe...every single set of memory they've sent me has tested out "fine" to them either after I sent it back or in the latest case even before they sent it to me. But it never works in my computer and always fails the Rember test.
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APPLE HAS A RECALL for this! READ BELOW AND SAVE SOME MONEY!!!!
Anyone with these issues needs to see this link. Apple has a recall going for G4 15" AL PBs because one of the two RAM slots die. Mine has been "fixed" twice under this program. There's a number to call to get started. Be forewarned, the person on the end of that phone is not the sharpest tool in the tool box. I had to show him where the recall was on Apple's site and how to interpret it. He had to keep putting me on hold to check with a Powerbook Expert (his title was only Powerbook Specialist). They send you a nice prepaid DHL 24 hr turn around shipping box. First time was great. Second time it came back covered in sticky. greasy fingerprints and the metal around the case screws has been badly scratched. I'm still waiting for Apple to address this but since they found 3rd party RAM in my PB, this is my punishment. FWIW, if you let it go in the broken state too long, bad things could happen. Something from the corrupted RAM wrote to my HD and ended up causing all sorts of issues. A reformat and reinstall was the only cure. Here's the link: http://docs.info.apple.com/article.html?artnum=303173
A few private repair places on the web get over a grand for this repair. The repair is a complete new main logic board exchange. Big bucks.
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Macbook ram issues

Hi,
I have a Macbook 2,1 with 2 X 512MB ram modules installed.
I am using menu meters and when I boot up it tells me that I am using x amount of ram and have y amount free just as normal.
The issue is that after a few minutes the amounts of used and free ram start to reduce to the point where I only have say 200MB bing used and 20MB free. By this point the computer has frozen and I am unable to do anything but move the mouse pointer. Everything else is unresponsive.
I have reseated the ram and swapped it out for different ram, but the problem still remains so I don't think that the issue is with the ram itself.
Has anybody else ever had a similar issue or does anybody know what the issue may be? Could it be a mother board issue?
Thanks in advance for your help...

Anthony,
Stedman is correct that your Macbook Pro will only support 2 GBs of RAM. However, you should be able to install the 2 GBs in a 2 X 1GB configuration. In fact, this would be the recommended configuration, as this would enable "Dual-Channel" access across the bus (faster).
Are you absolutely certain that you installed 2 X 1GB modules, and did so correctly? Neither module was seated improperly or incompletely? If you are certain, and it wouldn't boot, there may be something wrong (or incompatible) with one of the sticks, or your memory controller could be bad.
If you end up not being able to use both slots at once, you might have to stick with a single 2 GB DIMM. Of course, you could replace the logic board, but....
Scott

Win 7 prof 64 bit RAM issues Lenovo G505s(59-379862)

I have purchased Lenovo Essential G505s(59-379862) (APU Quad Core A8 5550M- 8GB RAM- 1TB HDD- 15.6 Inches- DOS- 2.5GB Graph). and I have installed win 7 prof 64 bit on it . all drivers downloaded fm Lenovo website.
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Solved!
Go to Solution.

hi vikramarora42,
Welcome to Lenovo Community Forums!
This system has two GPU's
512 MB AMD Radeon HD 8550G (Integrated) and 2 GB ATI Sunpro HD 8570 Graphics (Dedicated)
This Less usable RAM i believe is because of Video Memory Sharing, Sharing part of the Memory to the Processor Integrated GPU.
Regards
Solid Cruver
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Another Usable RAM thread.

Hi. I have read through the threads about the windows 32-bit ram issue. I have disabled switchable graphics yet I still only have 2.49 GB out of 4 GB
I justed added a new 2 gig stick. What else could be eating up the ram?
Solved!
Go to Solution.

Disabling switchable graphics may not be enough to fix the issue. I am assuming you are forcing discrete. You can download the latest notebook drivers from the AMD website or download the non-switching version of the drivers from Lenovo's site. The switchable drivers will still reserve the ram for the integrated graphics which will lower your free ram.
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Why won't my macbook pro accept both 4gb Ram, It will only use a 4gb and a 2gb?

I have a mid 2009 2.6 Ghz 15" macbook pro, and recently purchased two samsund ddr3 4gb 1600hz 204 pin RAM. I removed my two 2gb standard Ram from my macbook pro, and inserted the two 4gb Ram. When I turned the computer one it began using its 3 beep sequence as if the Ram fail, so I removed one 4gb Ram and reinserted a 2gb Ram and the computer started. It said I had total 6 gb ram. I am wonderind why It won't accept both of the 4gb Ram.

Exactly what Kappy and Stedman1 states.
The RAM you purchased is way out of specs for what you need.
Go and return or exchange them for either a set of Crucial, Corsair, Mushkin or Kingston (non value) RAM.

Macbook pro 7,1 running 10.10 ram issue

Hey guys this is my first mac ever and i picked up a used mac in great shape the mac needed a new upgrades i am a computer geek so i can get around computers with no problem . i did a clean install of OS X 10.10 and also updated the bios and EFI . my problem started when in installed the 16 gig ram 2 x 8 gig sticks . i installed both and my computer would not even turn on and then tried to turn on again it beep every like 3-4 secs . so i took out one stick and ran one 8 gig and one 2 gig and the computer booted up no issues . i took out the 8 gig and tried the other one again booted no issue . so the 2 8 gig sticks work no problem . my computer can run on a 2 gig stick and a 8 gig stick but not on 2 16 gig sticks . anyone can help thanks . . oh i also installed a 240 gig SSD PNY drive . the mac is crazy fast .

Apple never assured that model would run with 16 GBs installed, not although a few models have been tested, there is no guarantee yours will work with 16 GBs installed. It's also important to use the correct specs: 204-pin PC3-8500 (1066 MHz) DDR3 SO-DIMMs. Don't get modules outside of those specs.
You may find the need to return the brand you bought to try another. Or you can try buying the modules from OWC who are certifying models such as yours.

Macbook Pro Ram Issues

Hey everyone,
Quick question. I've noticed that my Macbook Pro has been taking longer than normal to load certian applications. I thought i'd look into the situation. My storage is fine (nearly 300 gb free).. however when I checked into the Ram, it's saying that Im using 3.99 gb out of 4gb of Ram (see picture attached).
Is there anything that I can do? Or should I just upgrade my Ram?
Thanks!
-Tim

Thanks for the replies!
I have attached a few different screen shots.
Also- I do not have any virus protection software on my mac.

Green frames on timeline. RAM issue? GPU issue?

Hi guys!
Have anyone experienced that?
These green frames at timeline. After that my Program Monitor freezes and crashes and soon after Premiere too. There is no wat out. It freezes and doesn't close.
I am using Premier Pro CC 2014 at Windows 7 Home Premium.
Another thing: Adobe recommend 8GB of RAM and I have these 8GB and constantly apears RAM low memory, sometimes it crashes just after the message. It can be a low RAM issue? So why Adobe recommend 8GB if it's not enough?
Maybe GPU? It is a GT540m with all drivers updated and working well on non-Adobe softwares.
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Thank you for your prompt answer.
I have just read the article you linked over.
Had read one of 'em earlier but they're interesting to understand how Mavericks work, I still have some points of interrogation.
If we consider the figue on how memory compression works, it seems like it is all good but it still doesn't account for why I am using more memory for the same runing processes. I mean, in my case it does not free up memory in the general sense, it litteraly eats memory and THEN frees it up when needed. And why devices use more than twice the memory than others.... this is nuts to me.
I forget to mention a few things. A friend of mine has the exact same configuration of mbpr. And here is what's crazy, he doesn't seem to use any comparable ram amount than I do, even when I lauch it all out on his mac he never uses more than 5gigs....although we had no internet connection at the time so I assume that might be the reason why ram usage was less important, I really don't know.
I know activity monitor ram monitoring comprises file cache too but when I run the 'top' command in terminal, it is kinda the same, just a bit lower let's say the 1 to 3 gigs of file cache that is taken into account in activity monitor and not in temrinal.
Anyways, I guess I'll will keep faith in apple technology as I can't pretend there is any performance drop that I was able to observe.... even with a bad taste in mouth that something is wrong that I can't point my finger at

Usable RAM Issue (2.17GB out of 4GB)

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