![]() ![]() You must press this key combination before the gray screen appears.Continue holding the keys down until your Mac restarts, and you hear the startup sound for the second time. (If you dont see it there, you need to check Show Bluetooth. Step 4. Immediately press and hold the Option-Command-P-R keys. Holding the Shift + Option (Alt) keys on your Macs keyboard, click the Bluetooth symbol in the top-right corner of the macOS menu bar. You will need to hold these keys down simultaneously in step 4. Step 2. Locate the following keys on the keyboard: Option, Command (⌘), P, and R. how to factory reset my mac This article will explain all the. ![]() The settings include your designated startup disk, display resolution, speaker volume, and other information. If you want a clean slate to store a new set of data on your Mac device, then you should be looking for the answer to a question i.e. The particular settings that are stored depend on your type of Mac and the types of devices connected to it. This small piece of memory isn’t erased or forgotten when you shut down your Mac.Ī small amount of your computer’s memory, called “parameter random-access memory” or PRAM, stores certain settings in a location that OS X can access quickly. This can cause startup problems for your Mac. Sometimes your Mac’s parameter RAM (PRAM) becomes scrambled and needs to be reset.
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