How To Fully Erase A Mac Using Recovery Assistant - Apple …
网页The Recovery Assistant app should now open. Click on its window title ("Reset Password") to bring it to the front. Erase your Mac. Once Recovery Assistant is open, go to the top of the screen and select Recovery Assistant-> Erase Mac. This screen should then appear. Select Erase Mac, then confirm again when prompted. After the erase
How to reset the SMC on an Imac? - Apple Community
网页2020年7月18日 · 1.. Shut the machine down. 2.. UNPLUG the power lead to the computer and any peripheral devices. 3.. leave it for 10 minutes. 4.. Hold power Button in for 10 seconds. 5.. Connect everything back up and restart.
iMac SMC and PRAM reset - Apple Community - Apple Support …
网页2014年5月16日 · PRAM RESET. Shut down the computer. Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4. Turn on the computer. Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears. Hold the …
How to Reset PRAM and SMC - Apple Community - Apple …
网页2018年11月22日 · With my new MacBook Pro MacBook Pro (13-inch, 2017, 4 TBT3), macOS Mojave (10.14.1), Rest SMC and Resetting PRAM/NVRAM. I have had the need to reset these and had failed. I was using the directions from my 2011 MacBook Pro. However, I once down loaded these directions with finger on the keyboard directions; they were …
How do I reset an iMac 24 inch early 2008… - Apple Community
网页2015年8月6日 · I've just acquired an iMac 24-inch Early 2008 with no disks. I need to restore to factory - I believe it originally came with OS X 10.5.2. I have my own copy of Leopard from a previous computer. Can anybody provide me with a step by step instruction please. Also I'd like to update it to Yosemite as well. Thank you, Sara
How do I factory reset my old iMac? - Apple Community
网页2020年7月22日 · Factory Reset iMac G5 Power PC Hello! I'm trying to factory reset my old iMac G5 Power PC computer. I want to give it away and I want to erase all data safely and reinstall the operating system. I have the 2 x CD's that came with the mac. So far I've erased all data but not on recovery mode. I've also reinstalled the OS X from the CD.
How to reset MacOS Catalina version 10.15.7 - Apple Support …
网页2023年6月20日 · How to reset Mac to factory setting? iMac 27″, macOS 10.15. Posted on Jun 20, 2023 7:56 PM. (18) Top-ranking reply. Nadiatalaat Author.
How to reset iMac (with Fusion Drive) to … - Apple Community
网页Jun 10, 2019 2:05 PM in response to lea-law. It sounds like your Fusion Drive has unfused. Follow the steps in this Apple Support Topic: How to fix a split Fusion Drive - Apple Support. After that follow the steps here to reset to factory: What to do before you sell, give away, or trade in your Mac - Apple Support.
How to reset iMac lock passcode - Apple Community
网页Feb 19, 2024 7:50 AM in response to Jaywiseliato. Go to > Set a firmware password on your Mac - Apple Support and read down to the last paragraph. If you forgot your firmware password. If you can't remember your firmware password, schedule an in-person service appointment with an Apple Store or Apple Authorized Service Provider.
Transfer or Reset IMac - Apple Community - Apple Support …
网页2024年2月22日 · On your Mac running macOS 13 or later: Choose Apple menu > System Settings, click General , click Transfer or Reset, then click Erase All Content and Settings. On your Mac running macOS 12 or earlier: Choose Apple menu > System Preferences, then in the menu bar, choose System Preferences > Erase All Content and Settings.