(Will this work on a iMac (21.5-inch, Late 2013)) No answers yet. Will this work on a iMac (21.5-inch, Late 2013) Asked about: Apple USB SuperDrive. In addition to regular iMac features, the new iMac has two separate USB controllers and room for an AirPort card.After you shut down your iMac and give it time to cool, follow these steps:Asked by Gabriella L from Woodbridge.
Memory For A Late 2013 I Full Performance AndDisconnect the power cord and all other cables from your computer.Refurbished iMac 21.5-inch (Late 2013) Core i5 2.7GHz - HDD 1 TB - 8GB Low-priced Apple iMac Like new Up to 78 cheaper. Many 3rd party Mac Pro DIMMs do not include this. The DDR3-1866 DIMMs for the Mac Pro require a Thermal Sensor for full performance and compatibility. The machine has four slots that can take up to 32GB per slot for a maximum upgrade of 128GB of RAM. The latest model of the Mac Pro takes DDR3-1866Mhz RAM.![]() Open the memory compartment door by pressing the small grey button located just above the AC power port: Hold the sides of the computer and slowly lay the computer face-down on the towel or cloth. Place a soft, clean towel or cloth on the desk or other flat surface to prevent scratching the display. After the memory cage is released, pull the memory cage levers toward you, allowing access to each DIMM slot. Push the two levers outward to release the memory cage: Locate the two levers on the right and left sides of the memory cage. A diagram on the underside of the compartment door shows the memory cage levers and the orientation of the DIMM. Remove the compartment door and set it aside: Microsoft office install for mac freeWhen you insert a DIMM, make sure to align the notch on the DIMM to the DIMM slot. Replace or install a DIMM by setting it down into the slot and pressing firmly until you feel the DIMM click into the slot. When reinstalling DIMMs, the notch must be oriented correctly or the DIMM won't fully insert: iMac (27-inch, Late 2012) and iMac (Retina 5K, 27-inch, 2017) DIMMs have a notch on the bottom left: iMac (Retina 5K, 27-inch, 2019) DIMMs have a notch on the bottom, slightly left of the middle: If your DIMMs are mixed in capacity, minimize the capacity difference between Channel A (slots 1 and 2) and Channel B (slots 3 and 4) when possible. iMac (Retina 5K, 27-inch, 2020) DIMMs have a notch on the bottom, slightly left of the middle. This process can take 30 seconds or more, and the display of your iMac remains dark until it's finished. Reconnect the power cord and all other cables to the computer, then start up the computer.Your iMac performs a memory initialization procedure when you first turn it on after upgrading memory or rearranging DIMMs. Place the computer in its upright position. You don't need to press the compartment door release button when replacing the compartment door. Replace the memory compartment door. After you install all of your DIMMs, push both memory cage levers back into the housing until they lock into place: Untuck the tab in the memory compartment. Remove the access door and set it aside. Using a Philips screwdriver, remove the RAM access door in the bottom of your computer: There should be a slight click when you seat the memory correctly: After you insert it, press the DIMM up into the slot. Insert your new or replacement SO-DIMM into the empty slot, noting the orientation of the keyway of the SO-DIMM as shown below. After you insert it, press the DIMM up into the slot. Insert your new or replacement RAM SO-DIMM into the empty slot, noting the orientation of the keyway of the SO-DIMM as shown above. If you're replacing a memory module, untuck the tab and pull it to eject any installed memory module: Untuck the tab in the memory compartment. Using a Philips screwdriver, remove the RAM access door in the bottom of the computer: ![]() Insert your RAM SO-DIMM into the top slot, noting the orientation of the keyed SO-DIMM:If your iMac doesn’t start up or turn on after you install additional memory, check each of following, then try to start your iMac again. Remove the memory module from your iMac as shown below: Pull the two levers on each side of the memory compartment to eject the memory module that's already installed: Newer iMac models perform a memory initialization procedure during startup after you upgrade memory, reset NVRAM, or rearrange DIMMs. Make sure to let the memory initialization complete during startup. Confirm that the memory cage levers are locked into place. Each DIMM is keyed and can only be inserted in one direction. If one DIMM sits higher or is not parallel to the other DIMMs, remove and inspect the DIMMs before reinstalling them. Visually inspect each DIMM to ensure they are correctly installed and fully seated. If the iMac works correctly with the original DIMMs, contact the memory vendor or place of purchase for assistance. If the issue persists, remove the upgraded DIMMs and reinstall the original DIMMs. If the iMac begins working correctly, reattach each peripheral one at a time to determine which one is preventing the iMac from operating correctly. Disconnect all attached peripherals other than keyboard/mouse/trackpad.
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