HT1423 Upgrade memory in an iMac.

It's looking pretty straightforward to install more memory in and iMac. Is it really that easy - for a non-teckie, that is!

Welcome to the Apple Support Communities
It depends of the iMac. For example, the Late 2012 iMac is more difficult to install RAM because the slots aren't visible, but on an older iMac, it's so easy. Just follow the steps of that link to install memory, and look the maximum memory supported for your computer

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HT1423 Adding memory to my iMac

I want to add memory to my iMac and when using the built in memory selection it displayed the following...when i searched for the PC3-10600 meeting the criteria listed all that came up was HP products...is this correct? Will this work? Just want to double check before I purchase more memory.
Thank you for any help you can provide.
iMac (Mid 2011)
iMac (Mid 2010)
iMac (Late 2009)
PC3-10600
PC3-10600
PC3-8500
Unbuffered
Unbuffered
Unbuffered
Nonparity
Nonparity
Nonparity
204-pin
204-pin
204-pin
1333MHz DDR3 SDRAM

You said the RAM specifications for your Mid 2011 iMac, so now you only have to look for RAM.
You can buy more RAM at OWC or Crucial

HT1423 install memory in new imac

Just bought a new 27" iMac - New Apple iMac MD096B/A.
How do I access the memory slots to install extra RAM?
Thanks!

Disconnect the power cable there is an eject button

HT1423 Locating Memory Modules for iMac?

I have a 21.5” iMac with a 3.06 Ghz Intel Core i3 Processor with four slots for Memory, capable of holding four 4 GB 1333MHz DDR3 SDRAM Modules, but I can’t find these to purchase. Can someone suggest to me where I can purchase these, please? Thank you.

http://eshop.macsales.com/shop/memory/iMac/2011/DDR3_21.5_27

HT1423 after memory upgrade iMac crashes

I upgraded the memory on my iMac 21.5 mid 2010 in accordance with the instructions and now it continues to reboot and after a while the screen turns black and a beeping sounds occurs. Suggestions to resolve this are welcome.

D._Paul Schuilwerve wrote:
The specs are correct and have used Corsair Mac memory. Have used this brand also to upgrade another iMac and a Macbook Pro
So have I, my Early Core Duo has had 2 1GB PC2- 5300 667MHz Corsair modules in it for years and has never had a problem.
If you are sure that the modules a fully seated in the slots, then the only conclusion is that there is something wrong with that RAM.

I am trying to upgrade to yosemite (for imac) from version 10.6.8 but even though i have 70gb available on my hard drive it wont let me upgrade because it says i dont have enough memory!! what can i do??

i am trying to upgrade to yosemite (for imac) from version 10.6.8 but even though i have 70gb available on my hard drive it wont let me upgrade because it says i dont have enough memory!! what can i do??

Install more RAM in the computer; the Mac needs to have at least 2GB of RAM and should have 4GB or more first.
(125734)

Can anyone help me with upgrading memory in my older iMac? I currently on have 1gb of memory so as you can imagine my machine is quite slow.

Can anyone help me with upgrading memory in my older iMac? I currently only have 1gb of memory so as you can imagine my machine is quite slow. I check in my system profiler and it shows I do have a memory slot open. It is using a DDR2 and I was told that the latest are DDR3 and I need to find out if I can run that on my model number. This info came from a tech guy at best buy.

That is what I needed. You can upgrade to a maximum of 6gb of ram and need the following type:
200-pin PC2-6400 (800MHz) DDR2 SO-DIMM. You can easily find it online, here is an example: http://eshop.macsales.com/shop/memory/iMac/Intel_Core_2_Duo_PC2-6400

I want to upgrade the memory for my iMac, but on the Apple store there is no memory available for any of the iMac models. Mine has an Intel Core 2 Duo processor with 2.4 GHz purchased about 5 years ago.

I want to upgrade the memory for my iMac, but there is no memory available for any of the iMac models on the Apple store. I got an Intel Core 2 Duo processor with 2.4 GHz. I purchased it over 5 years ago, and the tecnical support expired. Can anybody tell me where I can purchase additional memory?

Check the link below.
http://eshop.macsales.com/shop/apple/memory/iMac

IMac HELP... Upgrade memory on a 800 MHz PowerPC G4

iMac HELP...
Upgrade memory on a 800 MHz PowerPC G4
I believe I can add more PC133 SDRAM memory to my mac, but have been advised that not all memory works, how do I know what works and what does not?
If you can use this link, here is a really good price...
http://www.aria.co.uk/ProductsList.asp?Name=pc133+sdram
Please advise, the last thing I want to do is buy the wrong memory and install something that doesn't work. THANKS!

Hello,
1. There are two slots as shown in the photos below:
The left one being the SODIMM "User" slot and the right image showing the DIMM "Factory" slot.
When Apple published the maximum RAM for the iMac 800MHz it was based on the fact that in both DIMM and SODIMM form 512Mb was the largest capacity on the market hence 2 x 512Mb = 1Gb max. If it is now possible to get a 1Gb PC133 DIMM then theoretically 1.5Gb could be the max but I have heard nothing to confirm that this actually works in an iMac G4.
Crucial always stick to Apple's specs and hence 1024Mb.
2. I suspect that you have 1 x 256Mb PC133 168pin DIMM (factory) and 1 x 256Mb PC133 144pin SODIMM (later upgrade). You can check this by looking at the contents of J13/J14 memory slots in  Apple Menu > About This Mac > More Info... > Hardware/Memory
mrtotes

HT1423 Adding memory

Running out of memory on my IMac 8,1 (~2008) so what is the best way to add more memory to my 320 GB capacity?

You are mixing Hard Drive Space with RAM (random access memory). If you need a bigger Hard Drive my suggestion would be to get a Firewire 800 cradle with a removable bare drive so you could swap out drives for your own convenience. OWC or Crucial have External Drives at reasonable prices and you should have a backup strategy that includes at least one bootable clone of your existing system drive. When you get your drive you can move your pictures, songs, movies and other large files off your internal harddrive and that way your system would be happier with more space to work in. If you want more RAM then both of the vendors I suggested have guaranteed compatible RAM and your system can be upgraded to 6GB which will improve performance and allow more Apps to be open simultaneously.

Upgrade memory

it is possible to upgrade memory on iMac 24-inch Late 2006 up to 8 GB from 3 GB

Your welcome, there are hardware limitations on all the machines. If you want more than 4GB then it's time to upgrade to a new machine. You have gotten 5 1/2 years of service out of yours so you may be ready for one. Current iMacs can address up to 32GB of RAM and are orders of magnitude faster than your machine.

How do I add more memory to my Imac, I only have 1GB of memory and need 2GB to download Yosemite!

How do I add more memory to my Imac, I only have 1GB of memory and need 2GB to download Yosemite?

Janet,
This is why the question rkaufmann87 asked about your model is so important:
[click chart to enlarge if needed]
The list covers the early iMacs with Intel processors that shipped with either OS 10.4 or 10.5 and have only two RAM slots. As you can see, some have limits to what version of OSX you can install. If the step rkaufmann requests does not narrow down your model, you can do one more thing.
While the "About this Mac" window is open, click the "More Info..." button at the bottom of that window to get this (assuming you are really running OS 10.5.8 as shown in your profile):
The code I've indicated with the red arrow corresponds to the codes in the second column on the chart. Post the code your computer reports--again don't post a serial number.
If your iMac shipped with only 1GB RAM, I fear it is one of the earliest models that cannot be upgraded all the way to Yosemite.

I have a mac OS x version 10.4.11 2 GHz Intel Core 2 Duo 1 GB 667 MHz DDR2 SDRAm. Can I use Crucial 2 x 1 GB 667 MHz DDR2 SDRAN to upgrade memory?

I have a mac OS x version 10.4.11 2 GHz Intel Core 2 Duo 1 GB 667 MHz DDR2 SDRAm. Can I use Crucial 2 x 1 GB 667 MHz DDR2 SDRAN to upgrade memory?

The downloads are probably .dmg files (disk images). You would open the disk image (double-click it) to find the application or an installer. If it's the application itself, you then drag the application to your Applications folder to "install" it. If it's an installer, double-click the installer to run the installer that installs the application.
NOTE: If you iMac is Intel, it's not a PPC G5.

I recently upgraded my 2007 vintage iMac from the Leapord OS to Mavericks. Now my system runs extremely slow when I start my apps. I only have 2G RAM. Do I need to install more RAM or is this something else?

I recently upgraded my 2007 vintage iMac from its original Leapord OS to the new Mavericks OS and now its really running slow. I've run disk utilities to confirm everything is ok from the hard drive standpoint ... but am wondering if this is simply a memory issue. I only have 2G of DDR2 SDRAM installed. Is there a minimum recommended for the Mavericks OS? Any other recommendations? Time to launch any app has more than tripled from what it was before the OS upgrade.

A combination of things:
1. Slower CPU and GPU.
2. Not enough RAM installed.
3. Upgraded from Leopard.
I would have backed up my files, erased the hard drive, then reinstalled Snow Leopard. Downloaded Mavericks and upgraded Snow Leopard directly. Then I would restore my files.
Upgrade your RAM to at least 4 GBs if supported by your model.
Backup your files, then do the following:
Install or Reinstall Mavericks or Mountain Lion from Scratch
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
OS X Mavericks- Erase and reinstall OS X
OS X Mountain Lion- Erase and reinstall OS X
Note: You will need an active Internet connection. I suggest using Ethernet if possible
because it is three times faster than wireless.

I upgrade my mid 2007 IMac to Yosemite and it has been running very slowly since then. I have 3GB of ram. Should I go back to Mavericks?

I upgraded my mid 2007 IMac to Yosemite and it has been running very slowly since then. I have 3GB of ram. Has this been a problem for anyone else?

Your iMac year and model is low on RAM.
3 GBs is really not enough RAM to operate your Mac under OS X Yosemite OR Mavericks smoothly and efficiently.
New Macs now ship with 8 GBs of RAM as minimum, base installed amount of RAM.
Your Mac model can take a maximum amount of 6 GBs of RAM.
I strongly recommend purchasing and installing the necessary RAM amount to meet the 6 GB RAM total.
If you live in the U.S. , Correct, compatible and reliable Mac RAM can be purchased from online Mac RAM sources Crucial memory or OWC (macsales.com).
OWC (macsales.com) has the proper RAM module or kit needed to get your Mac to the 6 GB RAM total limit.
http://eshop.macsales.com/item/Other%20World%20Computing/5300DDR2S6GP/
RAM is user installable and is, relatively, easy to install be newbie and novice Mac users.
http://eshop.macsales.com/installvideos/imac_mid_2007_mem_h/
Good Luck!

HT1423 Upgrade memory in an iMac.

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