How to fix imac that won’t boot up?

Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off. Then turn your Mac back on. If the issue persists, press and hold the power button until your Mac turns off. Then unplug all accessories from your Mac, including printers, drives, USB hubs, and other nonessential devices.

People ask also, how do I fix my IMAC that won’t boot up?

1. Check If the Mac Has Power. First, check that your Mac has a power source.
2. Run a Power Cycle. The next step is to run a power cycle.
3. Boot in Safe Mode.
4. Reset SMC.
5. Reset NVRAM or PRAM.
6. Run Apple Diagnostics.
7. Use Recovery Mode Tools.
8. Reinstall macOS in Recovery Mode.

Also, how do you fix a Mac that won’t boot or gets stuck on the loading bar? Power your Mac back up. Immediately press and hold these four keys: Option + Command + P + R. Make sure to hold the keys for at least 20 seconds. On some Macs, you may hear a startup sound play twice or the Apple logo appear and reappear twice.

Amazingly, how do I force start my imac? How to Force Restart Your Mac. Press and hold down the Command (⌘) and Control (Ctrl) keys along with the power button (or the ‌Touch ID‌ / Eject button, depending on the Mac model) until the screen goes blank and the machine restarts.

Considering this, how do I boot my iMac into recovery mode?

1. Click on Apple logo at the top left of the screen.
2. Select Restart.
3. Immediately hold down the Command and R keys until you see an Apple logo or spinning globe.
4. Eventually your Mac will show the Recovery Mode Utilities window with the following options:

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.

Why does my Mac not boot up?

On current MacBooks without a removable battery, plug in the power cable. Press the Shift+Control+Option keys at the left side of the keyboard and the Power button, and hold them all down. … Release the Power button, reinsert the battery, plug in the Mac, and press the Power button to turn it back on.

Why is Mac taking so long to startup?

When you start your Mac, a lot of apps and software runs in the background that leads to slow startup. To fix this, give your device a clean start and make your Mac OS run smoothly and faster. When multiple apps run in the background, your device takes longer to startup.

How do you reset P RAM on a Mac?

1. Power off your Mac.
2. Press your Mac’s power button and then hold these four keys at the same time: ⌘ + option + P + R.
3. Continue holding the keys until your Mac restarts for the second time. On older Macs, the chime will sound upon restart.

How can I turn my iMac on without the power button?

If your Mac does not appear to have a power button, it may be a newer model. Press and hold the Touch ID sensor, which is the upper-rightmost “key” on the keyboard. On Touch Bar compatible MacBooks, it is at the very right side of the Touch Bar.

How do I force my iMac to restart with keyboard?

Control–Power button* or Control–Media Eject : Display a dialog asking whether you want to restart, sleep, or shut down. Control–Command–Power button:* Force your Mac to restart, without prompting to save any open and unsaved documents.

How do you close an unresponsive program on a Mac?

1. You may be able to find “Force Quit” in the Apple drop-down menu.
2. Use the “Force Quite Applications” menu to shut down an erring app.
3. You’ll find Activity Monitor in the Applications’ Utility folder.
4. Once you’ve found the app, click the “x” icon at the top of the list.

How do I boot into recovery mode?

Keep holding the volume up button until you see the bootloader options. Now scroll through the various options using the volume buttons till you see ‘Recovery Mode’ and then press the power button to select it. You’ll now see an Android robot on your screen.

How do I enter recovery mode?

Press and hold the Volume Down and Power buttons simultaneously until the device turns on. You can use Volume Down to highlight Recovery Mode and the Power button to select it. Depending on your model, you may then have to enter your password and choose a language to enter recovery mode.

How do I fix the white screen of death on my iMac?

1. Turn off your MacBook.
2. Press and hold Control, left Option (Alt), and right Shift.
3. Keep the keys pressed for 7 seconds.
4. Keep all four keys pressed for an additional 7 seconds.
5. Release the keys, wait for a few moments, and start your MacBook.

How do I factory reset my iMac 2021?

1. In the Apple menu in the top left corner of the screen, choose Restart.
2. As the system is restarting, hold both the Command and R keys on the keyboard at the same time until you see the Recovery Mode window.
3. Enter your admin password to confirm the action.

How do I factory reset my 2009 iMac without CD?

Select the hard drive on which Mac OS X is installed from the tree list on the left side of the window. Open the “Erase” tab. Select “Mac OS Extended (Journaled)” from the “Format:” drop menu and enter a name for the hard drive in the “Name:” text entry field. Click “Erase…” to clear all of the hard drive’s contents.