Learn about memory in your iMac
Learn about the type of random access memory (RAM) and video memory (VRAM) in your iMac.
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Add memory to your iMac
Find out the type of memory your iMac uses and how to install additional memory.
Install memory in your iMac
Turn your iMac on or off
Learn where the power button is on your iMac, and get help with issues during startup or shutdown.
Learn how to turn your iMac on or off
Use external displays with your iMac
Learn how to connect to HDMI, get help with external display issues, and more.
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Learn about Mac accessories
Set up your keyboard, mouse, and trackpad and learn about other Mac accessories.
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