IMac :: Adding Single 4GB Module To Existing Two 2GB Modules?
Apr 16, 2009
I've got a refurb 21.5" iMac 3.06GHz/4GB RAM/500GB HDD arriving soon.I believe it has two 2GB modules installed in two of the four memory slots, with two other slots unused. I have a few questions before I order more RAM for my machine.
Is it advisable to have ALL the RAM modules be of identical brand and size?Can other brands of RAM be added to the two empty slots as long as they are of the same specifications? Do RAM modules need to be added in pairs or is single ok?Can the added RAM modules be of any size (1GB, 2GB, or 4GB) and still work fine with the factory installed 2GB modules?
For example, would there be any performance problem by adding a single 4GB module to the existing two 2GB modules? Or would it be better to add two 2GB modules rather than a single 4GB module?
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Aug 18, 2008
I have this 1.42GHz G4 Mac Mini that my mother uses for very basic stuff but still gets bogged down by skype videoconferencing or by having more than a couple of tabs open on the browser. I was thinking of adding some RAM to its original 512MB (DDR 3200 on 1 module).
I checked prices on Ebuyer and 1GB of DDR3200 SODIMM will set me back �26 while a DDR4200 module of the same capacity will cost �13. I was wondering if it would be OK to mix the 2 memory types and get 1.5GB, or if I should replace the original RAM completely.
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Nov 23, 2007
Is it possible to add a new 1TB drive to an existing concatenated raid(1TB+1TB)? and is there raid capacity limit, or it's unlimited?
Information:
G5
Mac OS X (10.4.10)
Dual 2.5 GHz PPC
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Jan 15, 2009
Okay here's the thing: I (not so long ago) copied my entire itunes library to my external hard drive. Now I have updated my itunes library on my powerbook, and want to make sure that I back up the new songs/albums I have. The problem with this is that I have always found that when I drag the itunes folder from my powerbook to the itunes folder on my external drive, it asks to 'replace the itunes music folder'. I don't want this as there are some albums that I have stored in my folder but not on my itunes library and still want to keep them stored.
Is there any way that I could just keep adding to the 'existing' itunes folder on my external drive?
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Jul 9, 2009
I have a dual-band airport extreme router setup in a closet on the bottom floor of my 3-floor apartment, and I'm in need of some help figuring out how to go about adding some additional networking gear to my existing system
I have a 1TB Time Capsule which I'd like incorporate into my existing network. I have an available ethernet cable on the top floor of my apartment which I would like to connect the Time Capsule to so that I can quickly backup my MacPro (connected to network directly via ethernet), and so if possible I can extend the range of the Wireless-N network that my dual-band router is currently providing (because the signal on the top floor of my apartment isn't as great as I'd like it to be). I'd like to have the Time Capsule configured to only use the Wireless-N network so that my Macbook pro and my wife's Macbook Air will be backup to it via wireless-n speeds at all times.
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Nov 18, 2009
While browsing around I've stumbled over a few references to things like "tri-channel memory" and such. From what I understand (not that good with these things) some computer architectures / CPUs are optimized for using 3 memory modules, and some for using pairs (2 or 4).
I just read some benchmark tests of the i7 with different memory configurations, and the 12Gb was is most cases on par or better than all the others when it came to performance, even better than the 16Gb one. Is the new iMac (i7) best suited to use 3 memory modules?
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Nov 19, 2010
So my early 2010 iMac has 8gb of memory (4 x 2GB modules).I happen to have 2 spare 4gb modules that are from a MacBook pro of the same era - i.e they are DD3 1066Mhz and they will fit.So question is - if I take out two of the 2gb modules and replace them with 2 of the 4gb machines - will the machine work and will it see the full 12gb ( 2 x 2gb plus 2 x 4 gb)?
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May 6, 2010
I just received the 2GB ram upgrade I ordered for my home iMac. I already have the factory 2GB. I thought it would have 1 2GB stick alredy, and that I could add another 2GB stick, but a friend just told me it probably has 2 1GB sticks in it...anyone know?
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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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Apr 25, 2012
can I use 2-2GB RAM modules in 2 slots and 2-4GB modules in the other two slots, or do all 4 modules need to be the same size?
Info:
iMac, Mac OS X (10.6.8)
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Mar 12, 2012
I have a mac book with my itunes account on it and the machine is also sync with my iphone. I need to return my laptop to my friend and have bounght a new Imac. Can I set up my existing itunes account with my new imac? I'm not too worried about transferring the files I can reload those later but I wanted to avoid setting up another account as it's already sync with my iphone. is that possible? or do I set up a new account on my Imac and then how do I put this on my phone?
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Jun 25, 2012
I installed a new HP Officejet Pro8600. It all is synched, but will not print.I think I need to uninstall the existing HP Photosmart C4480, first. Then reinstall the newer HP Officejet.how to uninstall the existing printer.
Info:
iMac, not sure of the operating system.
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Dec 17, 2010
I have one of the original intel imacs, core duo 1.83.I see it supports 2GB of ram, does anyone know if I can use a single 2GB chip to get there?
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Feb 6, 2010
We have a PC in the upstairs office with cable/DSL router for Internet (through Comcast). This service also has a wireless connection. We have a Macbook laptop which connects effortlessly to our home network and we use it all over the house. We simply clicked the internet symbol on the top right (looks like a little amphitheater), selected out network, entered the password and have been connected ever since.
Today we brought home a new iMac and set it up in basement office. Tried the same routine. Clicked on the internet symbol, selected our network, noticed that the signal is just as strong as it is upstairs, typed in password but that's as far as we get.
I've gone the rounds with the Assist and the Utility features. I've shut the Airport on and off. I've tried setting up a new network. I do notice that the iMac has a "self-assigned" ISP "and cannot connect to the Internet." Does this mean I can't ever connect? Do we need to replace the self-assigned ISP with our Comcast IP address?
I've read here and there that our router might have Macs blocked and we could add this iMac as a secure system to get on the network. But we haven't played with the router's settings because we wouldn't know how. Besides, the Macbook connects fine.
Does this have anything to do with TimeMachine?
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Sep 8, 2010
So.. in a nutshell, I returned home to find my iMac unresponsive. It wouldn't wake up at all, so I was forced to reboot it by holding the Power button down. Upon restarting, I'm greeted with its very first kernel panic. (It's over two years old now.) Here's its specs, and what I've tried thus far.
(according to AHT)
Model: iMac8,1
CPU: Intel Core 2 Duo (2.80 GHz)
SMC: 1.30F1
Graphics: NVIDIA GeForce 8800 GT (512)
Ram: 4gb 2x2gb 800 MHz
OS: 10.6.4 / WinXP (bootcamp)
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Nov 23, 2010
I just purchased a new 27" iMac last week and can't get the new Bluetooth keyboard (that came with it) to boot in Single-User Mode.
I know if it were older and used a dongle it wouldn't do SUM (since it wouldn't load until later in the startup process), but I was told this new system would do SUM without having to get my cabled keyboard out every time I want to do SUM or a Safe Boot.
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May 11, 2010
If I have a SSD enclosed in an firewire case can I use the same hard drive to boot both the MBP and the iMac?
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Nov 14, 2009
I hold down the Cmd & S keys (just like on my older iMac) and after a delay it boots up as usual. I just got this iMac yesterday (brand new).
I experienced the monitor going bland for a second a few times along with some other vertical lines and wanted to run the fsck function as I have on my other macs. No go....
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Jun 4, 2009
i have a late 2006 20'' imac that was handed down to me.according to apple official website,this imac can handle up to 3GB of ram(it came with 1GB as 2 512MB rams) can i install 4GB as 2 sticks with 2 gigs each? what kind of trouble might i face if i do so? and do you have any brand recommendations for the purchase of the new rams?
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Apr 27, 2012
how do I delete artwork for a single file on iTunes on iMac?
Info:
iMac, Mac OS X (10.7.3)
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Aug 27, 2014
I opened an old document in word for mac and the pages are side by side. I cannot figure out how to go back to single page view. It seems like there should be a simple step.
Info:
iMac, OS X Mountain Lion
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Aug 22, 2010
Now it so I have great desire to remove my CD reader in my iMac 27" 2009. I wonder if it goes? I want to have the SSD and then a hard drive in it. I thought when taking out my hard drive and buy a less quiet. Because I have a seagate and I think it makes to much noise for me. What size hard drives in the iMac? 2.5 or 3.5 SATA?
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Jan 18, 2010
I have put a brand new hard drive in the machine. I took off the plastic bezel to the power cord, to make sure it's plugging in all the way. I turned the computer on while watching the LED's on the logic board. All 3 stayed on, and the 4th never came on.
I have unplugged it, left it unplugged for a few minutes, plugged the cord back in while holding the power, then turned it on (forgot what that was supposed to accomplish). No change.
I have reset the PVRAM (or whatever) 3 times in a row by holding command-option-p-r until I heard 3 chimes after the initial boot. No change.
I can get into open firmware, but have no idea what I could even try in there (other than ejecting the DVD).
I hold down "C" while booting, it chimes, it goes to a blank grey background, then proceeds on to the white screen with the apple. It sits there for a few seconds, then starts spinning the circle for a while, then shuts down. I hear the optical drive spin up, but it does nothing.
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Jun 7, 2010
How should I go about adding more memory to my 2008 iMac? I currently have 1gb and I would like to upgrade to 4-6gb, depending on the price. I've heard OWC is pretty good all around, but it appears to be that they're only compatible up to 2007 imacs, so I'm assuming that wouldn't work for my computer. What's a good, reliable, and cost-efficient brand that will be compatible for the computer I have? and how would I install it?
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Sep 25, 2010
Just received my new 2010 Imac...big screen but could use some more space for C4D pallets.,,,one..can this be done...can I use any display( don't need an expensive apple display for pallets) but I assume I would need some fancy connector..correct?
Do most displays come with this fancy connector?
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Jun 14, 2009
I've been a happy MacBook owner for two years now, and would like to add a desktop to my collection...or at least the experience of one. So, should I just buy a large lcd screen, mouse and keyboard for my MacBook, or should I get an actual desktop, like a mac mini (and all the peripherals)? Are the mac minis worth buying, or should I only consider an iMac and up? I have a desktop running Vista, and I used to share its lcd with my MacBook via a switch.
I just got tired of having to move everything around on my desk to make room for the MacBook, and then plugging everything up was a chore. I'd kind of like a permanent, Mac desktop solution the more I think about it. With a mini I could use all the Vista peripherals and just change between the two via the switch...which wouldn't be too bad actually. I do audio / video editing, as well as graphic design work. I do my gaming on either my xbox 360 or my Vista desktop, so I'm not looking for a gaming rig.
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Jan 16, 2010
I want to know if the wool is being pulled over my eyes by OWC. The site says that their 4GB modules for a Mac Pro Intel Xeon Quad-Core 2.66MHz can only be put into the tower if the original Apple modules are first removed. Something makes me think that this is a salesman's bluff. Anyone know for sure? Sorry if an answer to this question has already been given elsewhere.
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Jul 30, 2010
I know the newer Intel QPI processors have three main-memory channels, and I've seen much discussion and several complaints on these threads that Apple didn't expand their memory risers to squeeze in six DRAM sockets instead of four, so that the module count on each riser could be a multiple of 3. (And also that they should have done this for the 2009 Nehalems).
Here's my question: what kind of performance would I be losing and why if I got one of these new Westmere machines, discarded Apple's stock memory and replaced it with 4--rather than 3--OWC 4GB sticks? What I specifically don't understand is, can't the QPI fetch from any 3 of the 4 modules at once?
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May 6, 2012
In powerpoint mac 2008, how do i apply a theme to a single slide without it changing other slides' themes in the powerpoint?
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Oct 27, 2010
I plan on buying more ram soon. my mac pro 2010 quad 2.8 came with 1066 ram but I am buying 1333 ram (hex core in future) 4GB models. I know that my new ram will be reduced to 1066 but will the new ram be able to coexist with the old 1GB modules?
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