iMac (Retina 5K, 27-inch, 2017)
Likewise, be absolutely certain to correctly identify your The RAM cannot be upgraded afterwards at all. One tone, repeating every five seconds signals that no RAM is installed. As Apple does not consider the RAM in the applicable Replacing memory in the top slot After you shut down your iMac and give it time to cool, follow these steps: For detailed information about the memory installed in your iMac, click System Report.
If your computer doesn't recognize the memory or doesn't start up correctly, confirm that the RAM you installed is compatible with your iMac and that it's installed correctly by reseating the memory. Close the ejector clips: If all the memory in the iMac has been replaced, it lists the new total of all installed RAM.
If it is important to you to be able to upgrade the RAM yourself, particularly as higher capacity memory modules may become available in the future, you may instead prefer to avoid these The window that appears lists the total memory, including the amount of memory that originally came with the computer plus the newly added memory.
One should review Apple's official text-based instructions for the Inch model prior to performing the RAM upgrade, but even better, site sponsor Other World Computing provides excellent step-by-step videos for all of these models: Pull the two levers on each side of the memory compartment to eject the memory module that's already installed: Place the computer in its upright position.
If you've been using your iMac, wait ten minutes after shutting it down to let the internal components cool. If you hear these tones, confirm that the memory you installed is compatible with your iMac and that it's installed correctly by reseating the memory. RAM replacement on the iMac If your iMac makes a tone after you install memory iMac models introduced before might make a warning sound when you start up after installing or replacing memory: In particular, using adhesive to attach the display to the chassis -- rather than magnets like previous Aluminum iMac models -- is a design decision that is inelegant at best.
There should be a slight click when you seat the memory fully. Installing memory in the bottom slot The internal components of your iMac can be warm.
Wed Jan 03 If your Mac continues to make the tone, contact Apple Support. For the "Late ", "Early ", "Late " and "Mid" How much RAM do they actually support?
The company provides flat rate shipping to France, Germany, and Switzerland and inexpensive shipping for all of Europe, too. Reinstall the memory access door: Be sure to buy from a quality vendor that has tested their RAM with your Mac to ensure full compatibility.
Remove the memory module from your iMac as shown below: Given the relative challenge to upgrade the RAM in applicable After you shut down your iMac and give it time to cool, follow these steps: What type of RAM do they use? After you insert it, press the DIMM up into the slot with your thumbs. Move the DIMM ejector clips to their fully open position: Most interested in a Place a soft, clean towel or cloth on the desk or other flat surface to prevent scratching the display.
For best performance, fill both memory slots, installing an equal memory module in each slot. In Australia, site sponsor Imac 21 ram slots sells iMac compatible memory with a lifetime warranty and fast, flat-rate shipping Australia-wide.
Hold the sides of the computer and slowly lay the computer face-down on the towel or cloth. In Southeast Asia, site sponsor SimplyMac.
Reconnect the power cord and all other cables to the computer, then start up the computer. In the US and many other countriessite sponsor Other World Computing sells memory compatible with all iMac models and all other Macs. For the Inch models, if you do not feel comfortable -- or have the time -- to perform the upgrade yourself, hiring a professional always is a good option.
Then choose Memory under the Hardware section in the left side of System Information.