You’ll see a diagram on the bottom of the door that displays the memory cage levers as well as the correct orientation of the RAM modules. Press the button underneath the memory storage door to open it, then remove the door and place it somewhere nearby. Place a soft towel or cloth on your work surface, then gently lay the computer face down on it. Shut down your iMac and let it cool down completely. Upgrading RAM on a 27” iMac from late 2012 and onward In most other cases, Apple has made it very convenient for iMac users to upgrade Mac RAM on their own at home.Ģ7” iMac models from late 2012 and onward store RAM behind a small door on the back of the unit, while older 27” models and smaller models store RAM in slots along the bottom edge. You can add memory to any iMac except the newer 21.5” models. The following MacBooks can receive DIY memory upgrades at home:

MacBook Pro RAM and MacBook RAM upgrades are possible only with several older models, as well as with all 17” MacBook Pro models. Replace the bottom case and screw it back in.Ĭan you upgrade RAM on any MacBook Pro and MacBook?

Push the new module down until it clicks, then insert the second one. Insert your new RAM for your MacBook Pro or MacBook, again without touching the gold connectors. Repeat for the other RAM module, if present. Pull the RAM module out without touching the gold connectors. Touch a metal surface inside the computer to discharge any static electricity from your body.įind the RAM module and eject it by using the ejection levers. Be sure to note which screws come from which ports, as they may not all match. Disconnect all cords, cables, and accessories.įlip the laptop over so it’s lying face down. Turn off your MacBook or MacBook Pro and let it cool down completely. Here’s how to upgrade RAM on your MacBook Pro or MacBook computer: There’s unfortunately no way to upgrade memory for MacBook Air models. If your model allows RAM upgrades, you’ll need to remove the computer’s back cover to access the memory module and perform a MacBook RAM upgrade. Not all MacBooks and MacBook Pros let you upgrade the RAM. For Windows and Linux users, check our guide to upgrading RAM on PC.

Turn on your computer and follow the simple procedure described below in the section checking your RAM. Updated November 2020: Updated for macOS Big Sur's public release.After adding your new RAM, check that you installed it successfully. Questions?Īny questions about performing a clean install? Let us know below in the comments.

Agree to the software terms and conditions.Īre you in the market for a new MacBook? Check out our favorites for the year.

Click Continue again when the installer window appears.

Click on Reinstall a new copy of macOS.

Step 4: Reinstall a new copy of macOS Big Sur

If Scheme is available, select GUID Partition Map.

If your Mac is using APFS, select APFS from the format list.

If your Mac is using HFS+, select Mac OS Extended (Journaled) from the format list.

Enter a name for the file to be destroyed (Like macOS Mojave or something).

Click on Disk Utility in the OS X Utilities selector.Ĭlick on the Erase tab at the top of the window.

Hold down Command-R when you hear the startup chime (or the screen turns black on newer Macs) and keep holding the keys until your computer reboots.

Connect your Mac to the internet via Wi-Fi or Ethernet.

How to create a bootable installer for macOS Big Sur.

If you don't create a bootable drive for macOS Big Sur, you may have to install an older Mac operating system first and then upgrade to macOS Big Sur afterward. You'll need a copy of macOS Big Sur to perform a clean install later on. VPN Deals: Lifetime license for $16, monthly plans at $1 & more Step 2: Create a bootable drive of macOS Big Surīefore you erase your current operating system, download macOS Big Sur from the Mac App Store.

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