How to prepare imac for sale high sierra?

1. Step 1: Back up your Mac. If you already have your new Mac on hand, you can transfer all of your data from your old Mac or use an older Time Machine backup.
2. Step 2: Sign out of everything.
3. Step 3: Unpair your Bluetooth devices.
4. Step 4: Erase your hard drive.

You asked, how do I wipe my Mac and start fresh? Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R. Release the keys after about 20 seconds. This clears user settings from memory and restores certain security features that might have been altered.

Likewise, how do I return my Mac to factory settings?

1. Restart your computer: hold the power button > select Restart when it appears.
2. While the computer restarts, hold down the ‘Command’ and ‘R’ keys.
3. Once you see the Apple logo appear, release the ‘Command and R keys’
4. When you see a Recovery Mode menu, select Disk Utility.

You asked, can iMac 2020 Run High Sierra? The 2020 iMac shouldn’t be able to run High Sierra. It came with Catalina installed and Macs can’t run systems earlier than the one that it came with. Hold down the Option key and under the  menu choose System Information.

Considering this, how do I clean up my Mac High Sierra?

1. Step 1: Backup Your Mac. As noted, we’re going to completely erase everything on the Mac.
2. Step 2: Create a Bootable macOS High Sierra Installer.
3. Step 3: Erase and Reformat the Mac’s Boot Drive.
4. Step 4: Install macOS High Sierra.
5. Step 5: Restore Data, Files and Apps.

What can I do with my old imac?

1. When is your Mac “too old”?
2. Recycle your old Mac with the Apple Trade In program.
3. Clean your Mac and get it up to speed.
4. Turn your Mac into a network-attached storage system.
5. Create an emergency Wi-Fi hotspot.
6. Install Linux on your Mac.
7. Back up your Mac.
8. Deauthorize and sign out of your accounts.

How do I do a factory reset?

1. 1 Tap Settings
2. 2 Tap General Management.
3. 3 Tap Reset.
4. 4 Tap Factory data reset.
5. 5 Tap RESET.
6. 6 Tap DELETE ALL. Please be patient as phone resetting takes some time.
7. 1 Tap Apps > Settings > Backup and reset.
8. 2 Tap Factory data reset > Reset Device > Erase Everything.

How long does it take to wipe a Mac?

I’d estimate anywhere from 1 to 5 hours would be the norm but it’s possible for it to take up to 12 hours. Make sure you erase everything securely before selling it so the buyer can’t recover your saved passwords. Several seconds if done properly: What to do before selling or giving away your Mac.

How do you restore Internet on a Mac?

1. Shut down your Mac.
2. Hold down Command-Option/Alt-R and press the Power button.
3. Hold down those keys until you a spinning globe and the message “Starting Internet Recovery.
4. The message will be replaced with a progress bar.
5. Wait for the MacOS Utilities screen to appear.

How much longer will high sierra be supported?

In keeping with Apple’s release cycle, we anticipate macOS 10.13 High Sierra will no longer receive security updates starting in January 2021. As a result, SCS Computing Facilities (SCSCF) is phasing out software support for all computers running macOS 10.13 High Sierra and will end support on January 31, 2021.

Which Macs can run Sierra?

1. MacBook (Late 2009 or newer)
2. MacBook Pro (Mid 2010 or newer)
3. MacBook Air (Late 2010 or newer)
4. Mac mini (Mid 2010 or newer)
5. iMac (Late 2009 or newer)
6. Mac Pro (Mid 2010 or newer)

How long will high sierra be supported by Apple?

As a result, we are now phasing out software support for all Mac computers running macOS 10.13 High Sierra and will end support on December 1, 2020.

How do I clean up my Mac to make it run faster?

1. Clean up system files and documents. A clean Mac is a fast Mac.
2. Detect & Kill Demanding Processes.
3. Speed up startup time: Manage startup programs.
4. Remove unused apps.
5. Run a macOS system update.
6. Upgrade your RAM.
7. Swap your HDD for an SSD.
8. Reduce Visual Effects.

How do I clean my Mac for free?

1. Clean User Cache. Go to /Library/Caches and selectively delete or delete all the files and then empty your trash bin.
2. Clean System Logs.
3. Remove Mail Attachments.
4. Remove old iOS data.
5. Remove incomplete downloads on iTunes.
6. Empty Trash Bin.
7. Remove Malware.
8. Remove Browser Cache.

How do I install macOS High Sierra without USB?

1. Restart your Mac, or power it on, while holding down the Command + R key combination.
2. Release the Command + R key combination once you see the Apple logo on display.
3. Once you see a window like the one below, click on Disk Utility and Erase your main Mac HDD (or SSD).

How do I permanently erase my Mac hard drive?

1. Turn on your Mac and continue to press and hold the power button until the startup options window comes up.
2. When the Utilities window appears, select Disk Utility.
3. In the sidebar, choose Macintosh HD.
4. Click the “Erase” button, then select a file system format and enter a name for it.