factory reset apple mac book pro a1278 no disc

FACTORY RESET APPLE MAC BOOK PRO A1278 NO DISC INSTALL
FACTORY RESET APPLE MAC BOOK PRO A1278 NO DISC SOFTWARE
FACTORY RESET APPLE MAC BOOK PRO A1278 NO DISC PASSWORD

Try to open and close the MacBook lid and press a few keys on a keyboard. The variance of this issue is your Mac not waking up after sleep.

In most cases forcing your Mac to restart helps to fix it if your Mac won’t boot. More solutions if your MacBook Pro won’t turn on These devices may start their own dialogues, which could interfere with your display settings.

Remove all external devices like printers or external drives. If you still see the black screen on Mac, read on. Is the green light on? To rule out the power issues, check if your Mac produces any noise - from the hard drive or fans. Could it be your cat stepping on keys? Use F1 and F2 buttons to light the black screen on your Mac.Įxamine your charger cable is intact and if your Mac is charging. You may have accidentally pressed the brightness keys on the keyboard, so your screen dimmed down. Below you’ll find a couple of solutions (mostly based on users’ cases) to bring your Mac back to the light.Įasy fixes for MacBook black screen 1. All you see is a black screen on your MacBook Pro, no matter what keys you are pressing. So you are trying to wake your Mac from sleep, and it just wouldn’t. Now, see more solutions below.įeatures described in this article refer to the MacPaw site version of CleanMyMac X. With it, you can disable startup items and remove old and redundant apps.

FACTORY RESET APPLE MAC BOOK PRO A1278 NO DISC SOFTWARE

Use a USB flash drive or other secondary volume to create a bootable installer.Download CleanMyMac X (Apple-notarized version) to check your Mac for software issues and system junk.

FACTORY RESET APPLE MAC BOOK PRO A1278 NO DISC INSTALL

Use the App Store to download and install the latest macOS or an earlier macOS.

You can also use these methods to install macOS, if the macOS is compatible with your Mac:

If you've just erased your entire startup disk, you may only be offered the macOS that came with your Mac, or the closest version still available.

If the Mac logic board has just been replaced, you may only be offered the latest macOS that is compatible with your Mac.

Or you can use Option-Command-R during the startup process to be offered either the latest macOS that is compatible with your Mac, or in some cases the macOS that came with your Mac or the closest version still available.

On an Intel-based Mac, you can use Shift-Option-Command-R during the startup process to be offered the macOS that came with your Mac, or the closest version still available.

When you install macOS from Recovery, you'll get the current version of the most recently installed macOS, with some exceptions: When the new owner starts up the Mac, they can use their own information to complete the setup process. If you're selling, trading in or giving away your Mac, press Command-Q to quit the assistant without completing setup. When the installation is complete, your Mac might restart to a setup assistant. Your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.

Allow installation to complete without putting your Mac to sleep or closing its lid.

If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.

If the installer can't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.

FACTORY RESET APPLE MAC BOOK PRO A1278 NO DISC PASSWORD

If the installer asks to unlock your disk, enter the password you use to log in to your Mac.

To start the installation process, select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions.įollow these guidelines during installation: Reinstalling macOS won't remove data from your Mac.

Factory reset apple mac book pro a1278 no disc