How Do You Hard Reset A Mac?

How do you force a factory reset on a MacBook?

To do so, shut down your Mac, then turn it on and immediately press and hold four keys together: Option, Command, P, and R.

You can release the keys after 20 seconds or so.

That’s it.

Your Mac’s NVRAM has been reset..

How do you turn on a MacBook that won’t turn on?

Follow these steps. Press and hold the power button on your Mac for at least 10 seconds and then release it. If your Mac is turned on, this forces it to turn off. If you don’t see a change on your Mac, press and release the power button normally.

How do I restart my iMac after power failure?

Here is the fix:1) Unplug the iMac power cable from the back of the machine (not from the wall or power strip outlet)2) Push in and hold the iMac power button for five seconds.3) Release the iMac power button.4) Plug the iMac power cable back into the back of the machine.5) Press the iMac power button normally.More items…•Jun 6, 2017

How do I do a hard reset?

Press and hold the Power button, then press the Volume Up button while still holding the Power button. Using the Volume buttons highlight Wipe data/factory reset.

What happens when you do a hard reset?

Hard Reset/factory Reset is a feature of an android that erases all data from internal storage. … With the help of this android feature, you can erase all newly installed application, all user data, reset all setting, erase flash storage data, erase internal storage( document, video, image file etc).

Is hard reset safe?

Using the Hard Reset is safe and should not cause any damage. After using this feature, your device will have the software and set of applications as the moment they leave the factory.

How do you do a hard reboot on a Mac?

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.

What is the difference between a factory reset and a hard reset?

The two terms factory and hard reset are associated with settings. A factory reset relates to the rebooting of the entire system, while hard resets relates to the resetting of any hardware in the system. … The factory reset makes the device function again in a new form. It cleans the entire system of the device.

Why will my Mac not turn on?

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. … Plug it back in, wait five more seconds, and then press the Power button to turn the Mac back on.

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

Hold down Shift + Control + Option and Power button at the same time for 12 seconds. Release all keys at the same time, then reconnect the Power cable and turn the Mac back on again. Next, reboot the Mac again and this time hold down Command+Option+P+R keys concurrently for about 20 seconds, this resets the NVRAM.