はじめに
コンピューターの作動スピードを速めるために、RAMをアップグレードするためのガイドです。
必要な工具と部品
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iMacのACコードを周辺機器と一緒に抜きます。
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画像のように、iMacを柔らかく清潔な場所に裏返して置きます。
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iMacの下側端とアクセスドアを固定している3本のプラスネジを緩めます。
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アクセスドアを取り出します。
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黒いプラスチックのRAM用プルタブをRAMスロットからゆっくりとスライドします。
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黒いプラスチック製のタブをiMac下端の底から引き離して、RAMベイ側に搭載されているモジュールを取り出します。
It is far harder than I thought you have to pull REALLY hard and then there will be a little click and than you can gently pull out the RAM.
Press really hard, to the point you think you’ll cut your thumb, you’ll hear a slight ‘click’. If it’s not properly installed, the iMac will ‘beep, beep, beep’ In protest upon booting…
Brian -
I found it best to make use of the factory ‘pull tabs’. Much much easier than trying to pull the ram out by hand. It may seem like a good idea but, don’t be tempted to use pliers.
Brian -
Thanks for your Useful guide …. iMac Intel 21.5" EMC 2428 RAM Replacement was performed step by step on my Imac and every thing is perfect right now.
I was able to remove one side of the ram, but the other side would not budge. I was afraid that I was going to rip the plastic tab out of the computer. Any suggestions?
is it completely manditory to take out the ram? why not just keep it in? for some guides for replacing other components you dont have to, but in some you do. why is this the case? does it have to do with not getting shocked because there is power stored in there or some other reason? i was just wondering tho...
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各RAMモジュールに切り込まれた小さなノッチ(1番目の画像で確認できます)がRAMスロットの突起と合わさります。（2番目の画像を参照ください)
When reinstalling RAM in this machine or any iMac with upgradable RAM slots push hard to get them to go in (Apple really did make this one harder than it needed to be). If you don't push hard it won't go in and your computer won't work. (trust me on this learned the hard way)
I am having trouble with bottom 2 slots. As I get beeping sounds when using them. When removed it boots properly. I tried & tried to push the 2 , 2GB ram modules into the bottom slots BUT all get is beeping. Guess I have to settle for 4GB Rather than 8 unless someone has a suggestion.
Try swapping the to the other slots & don’t forget to press really hard until you hear the ‘click’.
Brian -
Is there an expirience to settle 1600 MgH Ram instead 1333 MgH manual required?
Added 16GB for a total of 20GB, runs great, do make sure of the “click”, the beep is disturbing
2x2 GB 1333 MHz RAM were installed as delivered. I couldn’t manage to get those two out of their slots. I don’t want to damage anything. So, I put 2x8 GB RAM 1333 MHz RAM bars in the other two empty spare slots to have 20 GB RAM in total. The iMac runs fine with it. As described above, make sure to push RAM until they ‘click’ in completely.
Why are we taking out the RAM modules just to put them back in on the next step ?
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デバイスを再組み立てする際は、これらのインストラクションを逆の順番に従って作業を進めてください。
デバイスを再組み立てする際は、これらのインストラクションを逆の順番に従って作業を進めてください。
132 の人々がこのガイドを完成させました。
以下の翻訳者の皆さんにお礼を申し上げます:
100%
Midori Doiさんは世界中で修理する私たちを助けてくれています！ あなたも貢献してみませんか？
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5 件のコメント
Considering cautions against mixing RAM it would seem my 2009 imac can only be helped by ripping out original 4, 1G Ram modules and replacing with 4 @moreG as "cheapest "way to upgrade which seems ridiculous compared to changing one or 2 modules. Is this another stupidity of our computer world?
Harol Smage
Thank you this worked really well!
When inserted new 2x4GB modules in addition to the original 2x2GB modules to iMac mid 2011, it was only beeping on power off. Tried to swap all module placements around couple of times before they were all accepted. Now with 12GB total ram.
I'm assuming that I could replace all 4 ram slots with 4x8gb chips above?? Would this work?
iMac (21.5-inch, Mid 2011) 2.5 GHz Intel Core i5
current ram 12 GB 1333 MHz DDR3
I want to replace 2 current chips if not all 4 with this PC3-10600 8 GB RAM Chip
joemangrum - 返信
I have just removed 2 x 2 GB ram modules and replaced with 2 x 4GB?
'Could' the 2x2GB modules be stuck back in also, or no?
Dave heath - 返信
Before beginning unplug your iMac.
Henry Barnett - 返信
The screws are not phillips #1 as implied above. My phillips#2 bit fit.
John McWilliams - 返信
Yes phillips #2 is the correct Bit
Heath - 返信
Whenever I go this “deep” into any computer that has a motherboard battery, like the CR2032 for this iMac, I’ll add a new battery to my workflow. I’m in the “neighborhood” anyway.
The battery is in a spring-loaded compartment, which requires patience and persistence.
I make sure to test the new battery before installation. (The “3-2-1 Rule” applies: 3 of something means 2, 2 means 1, and 1 means none - I keep spare batteries on hand.)
When I took part in my dual-drive adventure, I also added a thorough dusting (outside/outdoors) - phew!
Carrick - 返信