How do you reset the Nvram on a 2009 MacBook Pro?
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- Shut down the computer.
- Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
- Turn on the computer.
- Immediately press and hold the Command-Option-P-R keys.
- Release the keys.
How do you reset the SMC on a dead MacBook Pro?
Reset the SMC To get going, plug in the power cable and then press the Shift + Ctrl + Option/Alt keys and the power button simultaneously and hold them for at least 10-12 seconds. Next, release all the keys and then press the power button to try and restart your MacBook.
What is a PRAM reset Mac?
PRAM
- Shut down the computer.
- Press the power button.
- Immediately after, press Command, Option, P, and R all at the same time on the keyboard.
- Hold these keys down until you hear the Mac’s startup sound for a second time (the first was after the initial press of the power button).
- Release all of the keys.
How do I do a hard reset on a MacBook Pro?
How to Hard Reset MacBook, MacBook Air, or MacBook Pro
- To force a restart your MacBook, you need to press and hold down the Command (⌘) button, the Control (Ctrl) key, and the power button at the same time.
- Hold these keys down until your MacBook’s screen goes blank and the computer restarts itself.
How do I wipe my Mac 2009?
I am unable to erase hard drive using the following instructions: Restart iMac Holding down command and R key. Disk Utility (should be on screen) Check continue, choose start up disk,click erase button, choose Mac OS Extended, Click Erase.
How do you fix a dead MacBook battery?
On a Mac you’ll need to try resetting the System Management Controller (SMC). For laptops with removable batteries this is as simple as shutting down power, removing the battery, disconnecting power, and pressing the power button for 5 seconds. Reinsert the battery, connect power, and fire up the laptop.
Do I need to reset SMC frequently?
Repeatedly needing to reset the SMC indicates a hardware failure. Apple generally replaces entire components – so you’d get a new logic board / GPU / processor board and then that failing board would get analyzed / repaired as appropriate.
How to reset Mac’s SMC?
1) Choose Apple menu > Shut Down and wait for your Mac to shut down. 2) Unplug the power cord. 3) Wait 15 seconds. 4) Plug the power cord back in. 5) Wait 5 seconds, then press the power button again to turn on your Mac. See More…
How can I restore my MacBook Pro to factory settings?
Restore MacBook Pro to factory settings. Step 1Click on “Apple Menu” on the top bar and choose “Restart” option. Step 2When your MacBook Pro reboots, press “Commend” and “R” at the same time when you hear the Apple startup sound. Step 3Release “Commend” and “R” keys when you see the Apple logo appears on the screen.
How do you restart a MacBook Pro?
Turn on or restart your MacBook Pro. Hold down Command and R at the same time right after you restart your Mac. Keep holding down the keys until your Mac finishes loading and you see the macOS Utilities window. Click on Utilities in the Menu Bar on your MacBook Pro. It’s in the upper left of your screen.
How do you unlock a MacBook Pro?
If you create or have a locked note on the MacBook Pro, you can unlock it using Touch ID on the Touch Bar. Select a locked note. Place your registered finger on the Touch ID sensor when prompted.