Mac Pro :: 2x4GB DIMMs Showing Up As 2x2GB - Had 18GB Now Only 14GB RAM
Oct 7, 2009
I installed SL on my hard drive (upgrade from Leopard) and it worked great, just popped in my Intel X25-M G2 160GB today, installed SL.
I checked my About This Mac info and it shows I have ONLY 14GB RAM, I had 18GB before...
Does anyone know why?
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Oct 27, 2009
I'm going to be getting an iMac 27" when they come out and just get the stock 2x2GB sticks of RAM that come with it. I want to upgrade to 8GB... but I'm doing 2x4GB so that if I ever decided I wanted to do 16GB (I don't see why, but why not at least have half of it?).
My question is, if I do this, should I leave the 2x2GB sticks in with the 2x4GB sticks? Or should I take them out?
There seems to be some conflicting ideas about what RAM to use. I know you're supposed to do it in pairs, but I don't know how the iMac handles having 4 slots.
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Oct 22, 2010
Did I do this wrong?
Each bank has a 4gig and a 2gig. I installed them into the machine with the 2x4gig on the left, and the 2x2gig on the right, and the "banks" are apparantly front and back, not side and side.
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Aug 22, 2010
I'd just like to make sure that it'll work just fine with 2x4GB RAM modules as well as 2x2GB RAM modules for a total of 12GB? I don't need to get 16GB do I?
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Mar 15, 2009
What I should do? Get an external Hard Drive and transfer all the stuff that's on my macbook now to the hard drive. Just wondering because it will be at 0 soon.
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Sep 28, 2009
I know that FAT32 has a 4gb limitation and I need to transfer a folder with 2 disk images that are 7gb each and have tried splitting them but it never seems to work and when it does I can't join them again. I cannot format the drive either as I have over 500gb of data on it.
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Mar 27, 2012
I have 6 -1GB DIMMs installed in 6 of the 8 slots. Can I install larger capacity DIMMS in the remaining 2 slots?
Info:Mac Pro, Mac OS X (10.5.8)
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Jun 17, 2007
I had a quick question about the screen and how it dimms at wierd times.like the screen to be on the brightest possible setting but some times it dimms to a lower level. Why is that? Does it have to do with the light in my room?
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Apr 22, 2009
I have two 512mb 667MHz DDR2 DIMMS from an old first generation Intel iMac. Would one of these DIMMS work in the Aluminum iMac running a single 1GB 800MHz DDR2 DIMM? Common sense tells me "No" and that this combination could cause Kernal Panics, etc with different speeds of RAM installed. However, I thought it was worth asking since I have these two DIMMS sitting here doing nothing and my mate could use the extra memory for free.
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Jan 27, 2009
I've bought a mac pro in jan 2008 with the 8 core 2.8 ghz setup and 2x 1gb of ram.
Now i want to upgrade but im doubting what will give me the most performance:
4x1gb = 137 dollar
2x2gb = 95 dollar
What would you guys do? I read that one gb modules are faster because I already have 2x1 gb and with 1gb all modules will be even...
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Jun 29, 2012
I bought two Mushkin pc3-10666 1,333Mhz 4gb ram for my mid 2009 macbook pro 13". When i install both off them, my mac asks me to turn it off while when i install one off them (on its own or in couple with one of the old 1gb intel) it works perfectly, why is that?
Info:
MacBook Pro, Mac OS X (10.7.4)
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May 21, 2012
I have a mid 2010 white MacBook with 2GB RAM and I want to upgrade to higher RAM. I know my limit is 4GB and I read how to do it on the website. [URL] But I need to know where to buy it, and if it is really worth it. Should i buy online or from the store.
Info:
MacBook, Mac OS X (10.6.8)
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Mar 16, 2009
Planning to order a new Mac Mini in the coming week and would like to get some advice as to what to go with in terms of memory - brand and model-wise. I will be going for 2 x 2GB of course.
I see here on newegg that one reviewer is saying that the corsair modules don't seem to be working with his Mac (isolated case?).
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Apr 26, 2012
Purchased from Apple Canada 2X 2GB Memory, easy to install , nothing is working???
Info:
APP for iMac-CCIND-NT, Mac OS X (10.5)
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Jun 23, 2012
how do i install Apple Memory Module 2GB 667MHz DDR2 (PC2-5300) 2x1GB SO-DIMMs in my 2008 mac mini
Info:
Mac mini
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Dec 31, 2010
I purchased a brand new Macbook Pro from Best Buy a few months back, it is the 13" unibody with a 2.26 ghz dual core processor and came with 2gb of memory installed. I just bought the two sticks of memory from [URL] which were Kingston DDR3 1066 204-pins, 4gb each. My friend told me that my Macbook Pro will only support up to 6gb, but my manual says that it supports up to 8gb. He also said that people have been having trouble with their motherboards by installing too much (8gb) of memory. I've done some research and looks like I'm good to go, but just want some reassurance before I install the new memory. One last thing, he also told me that 8gb is only supported on the i7 processors?
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Nov 16, 2010
Cheapest I found are about $160 shipped on Newegg or Macmall? Any other recommendations?
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Jun 5, 2010
I just plugged headphones into the headphone port on my iMac(dual core 2.4) I went to system preferences, sound, then output and only the internal speakers show up. I rebooted the machine and still, same thing.
I tried the same headphones on the eMac sitting next to it, and it worked just fine. Still confused about the iMac
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Dec 4, 2014
My email messages for one Google account no longer show up in my OS X Mail client.Case info:This may have occurred after I enabled the 'All Mail' to Apple Mail for the account, then removed it once I saw it was adding every single message I deleted since the beginning of time. Still, that doesn't explain the following...My email messages for another Google account does show up in my OS X Mail client. They have exactly the same IMAP settings other than username and password.My email messages for the account that doesn't work, shows up fine on my iPhone/iOS and gmail.com.None of the messages in the inbox or folders/labels show up. The count is zero. However they all show up fine in folders in iOS and on gmail.com.There is an indicator for one new message in the inbox, but none show.
Info:
MacBook Pro, OS X Yosemite (10.10.1), Mid-2010
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Jan 15, 2009
So I have the stock 2X1 and 4X2 aftermarket. None of the sticks that I put in the second riser will show up. I tried the 2's in A1, A2, B1, B2 then the 1's in A3, A4. I then tried the 4 2's in riser A and the 1's in riser B. It didn't seem to matter, all that would show up is what was in Riser A. Could it be a bad riser or something?
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Sep 22, 2010
I am just wondering why everytime I right click a file then click "Open with.." some Windows programs come up?
I just recently formatted the entire system and haven't even got "VMware" or either Windows installed so I don't know why it's there.
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Nov 12, 2008
I am not sure why if I go to type in kbos sey parch ccc rober kjfk won't show the blue line. However, it works on firefox. Here are the pictures of the two. The first is on Safari (not working) the second is of Firefox (working). By the way, I zoomed out a lot so you could see how Firefox shows the blue line for the whole route and this happens for other things as well .
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Aug 28, 2009
I just finished a clean install of snow leopard on my sigged computer. After booting up and getting to the desktop, my HD icon is not visible anywhere on said desktop, and but my iDisk icon is showing up, where before it was only displayed in my finder sidebar.
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Sep 5, 2009
I have just created a network with an airport express and downloaded the trial copy of Medialink hoping to set it up with my ps3, but the ps3 doesn't show up in the devices tab.
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Feb 8, 2010
A friend of mine gave me some personal stuff she wanted to back up to DVDs. She gave me TDK 16x DVD+R media to backup the stuff. I, however, can't backup the videos she gave me cause the disks aren't showing up on the Mac at all.
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Mar 12, 2012
I recently purchased a refurb Mac Pro. For some reason I can't get the ethernet port to work. I ran a diagnostics and it doesn't even show up as active.
Info:Mac Pro, Mac OS X (10.7.1)
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Jun 21, 2012
I have a macbook pro mid 2009 running Lion (upgraded twice). Right now, there are two sticks of 4gb RAM in the computer, however, if I go to about this mac, system profiler, or activity moniter, they all show that I have only 4gb, while I should have 8 (photoshop is running slower than it should, so obviously one stick is not being used.) Â
After testing a few times, I have found:
The not functioning slot is the bottom slot, If I try to start up my computer with a stick of RAM in there only, my macs screen stays dark and beeps periodically along with the "sleep" light flashing. However, if I just use the top slot, my computer works fine.Â
I know its not the RAM sticks themselves because i've also tested with 1 and 2 gb ram, so I suspect my ram slot is broken somehow. It looks fine, the ram goes in and everything, but obviously something's wrong. Â
I ran hardware test and it said everything was fine, but still only showed 4 gb total ram and told me theres nothing in the other slot.Â
So is my RAM slot just disconnected or something/broken?
Info:
MacBook Pro
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Jun 5, 2008
I'm having a problem with Software Update showing the 10.5.3 update 'ready to install' after I've already installed it. I even went to the extra measure of replacing it with the full combo installer to make sure.
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May 13, 2009
I'm finally experiencing the first official problem with my MacBook Pro of 2.5 years. The Finder shows too many Places! Like it has double of everything: 2 Desktops, Applications, Documents, Movies, etc. There's a screen shot in here as an attachment if it helps.
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Jun 20, 2009
Is it possible to have a kind of dropdown list of the devices (hard drives, dvd drives, usb drives) from an icon in the menubar? It would be very convenient.
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