How do I access the BIOS on a MacBook Pro?

How to enter BIOS on a Mac

1. Shut down your Mac.
2. Press the power button and hold down Command-S as your Mac starts up.
3. Release the keys when you see a black screen with white text on it.

Do Macs have BIOS settings?

Although MacBooks aren’t technically outfitted with BIOS, they are supported by a similar boot firmware used by Sun and Apple called Open Firmware. Like the BIOS on PC machines, Open Firmware is accessed on startup and provides you with an interface for technical diagnostics and debugging your computer.

How do I reset the motherboard on a MacBook Pro?

Unplug the power, then shut down your Mac. Hold the left Shift+Control+Option keys down, then press and hold the power button down. Keep all four buttons pressed down for ten seconds, then let go. Plug the power cable back in, then turn on your Mac.

How do I reset my BIOS to factory settings?

Reset the BIOS to Default Settings (BIOS)

1. Access the BIOS Setup utility. See Accessing BIOS.
2. Press the F9 key to automatically load the factory default settings.
3. Confirm the changes by highlighting OK, then press Enter.
4. To save the changes and exit the BIOS Setup utility, press the F10 key.

How do you update the BIOS on a Mac?

Update Your Firmware The Easy Way

1. Go to the Apple menu in the main menu bar and choose Software Update.
2. A small window opens whilst your Mac checks to see if any software updates are available.
3. The next screen displays any software and firmware updates found.

How do I update the BIOS on my Macbook Pro?

What is SMC reset MacBook pro?

Reset the SMC: Reset the System Management Controller (SMC), which controls how your Mac manages power. If you have a Mac with Apple Silicon, just restart your computer.

How can I reset my laptop BIOS?

To do so, follow these steps:

1. Restart your computer.
2. Notice the key that you need to press at the first screen. This key opens the BIOS menu or “setup” utility.
3. Find the option to reset the BIOS settings. This option is usually called any of the following:
4. Save these changes.
5. Exit BIOS.

Will resetting the BIOS erase data?

Resetting the BIOS does not touch data on your hard drive. A bios reset will restore the bios to the factory-enabled settings. It will not erase “data” (as in: information on your disk), but it can change things that you might have altered in your bios settings.

What is EFI on Macbook Pro?

EFI, which stands for Extensible Firmware Interface, bridges a Mac’s hardware, firmware, and operating system together to enable it to go from power-on to booting macOS. macOS High Sierra will be publicly released on the Mac App Store later today.