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#APPLE IMAC SPINNING WHEEL RESTART HOLD DOWN HOW TO#
#APPLE IMAC SPINNING WHEEL RESTART HOLD DOWN MAC#

#APPLE IMAC SPINNING WHEEL RESTART HOLD DOWN MAC#

You have to leave the keys after your Mac boots twice.

During this time, you will notice that Mac appears to restart.

Once done, turn on your Mac and immediately press and hold option + command ⌘ + P + R keys together for around 20 secs.

Click the Apple logo at the top left and choose Shut Down.

#APPLE IMAC SPINNING WHEEL RESTART HOLD DOWN HOW TO#

How to reset NVRAM or PRAM on Intel-based Macs Hard drives or external displays don’t connect.Changing display resolution on every startup (or no changes at all).Problem with the sound output or volume levels.Lagging issues (the legendary rainbow spinning wheel doesn’t show up).A question mark when you power on your Mac.Different disk boot-up than the one set in Startup Disk preferences.If you have problems related to the settings controlled by NVRAM or PRAM (and if a simple restart does not help), resetting NVRAM or PRAM will solve the issue. Why and when should you reset the NVRAM or PRAM? On Mac notebooks (MacBook Air and MacBook Pro), there is already a battery inside. This ensures that even if you switch off or remove the main power cord on your iMac, things work correctly. There is a small battery in Mac desktops to prevent the loss of these essential pieces of information. NVRAM and PRAM are small, always-powered memory that holds Mac’s configuration information like the startup disk, screen resolution, time zone, volume, and more.

What is the work of NVRAM and PRAM on Mac? Note: If you own a Mac with Apple Silicon, the following guide does not apply to you. Let me tell you more about each and show you how to reset NVRAM or PRAM to fix specific Mac problems. NVRAM ( non-volatile random-access memory) on Intel-based Macs and PRAM ( Parameter RAM) on old PowerPC are responsible for storing your Mac’s settings. You may need to reset NVRAM or PRAM on Mac to fix the issue! Is your beloved Apple device, Mac acting… weird? If you are facing trouble booting it or its volume, mouse scroll, or display settings are all messed up, you may need to do more than restarting it.