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My Apple Macbook Pro has been used by my friends and modified system OS options to suit them. How can I get back to my initial system standard as it was when I initialized the System?

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I tried to post this link that tells you how, but in case it didn't make it, here it is:
http://forums.macrumors.com/showthread.php?t=409837

Posted on Jul 11, 2010

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Posted on Jan 02, 2017

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How do I factory reset my mac book os x please help



Step 1

To start, make sure that all of your files are backed up elsewhere. When you revert your MacBook Pro back to factory settings, you will also be wiping out all of the data on your hard drive. If there is anything you want to keep, take the time to move it all onto an external hard drive.

Step 2

Once your files are backed up, shut down your MacBook Pro. Plug it into the AC adapter, and then boot it back up. Finally, press and hold “Command-R” (the “Command” and “R” keys at the same time) to start the restore process. Hold these keys until the Apple logo appears on the screen, and then release them. You will be taken to an alternative boot screen with a “Mac OS X Utilities” menu.

Step 3

In order to complete a system restore, you will need to connect your computer to the Internet. Select “Wi-Fi” from the Utilities menu and find the router you will be using. Enter your Wi-Fi username and password to connect.

Step 4

Depending on which version of OS X you are using, your Utilities menu will be slightly different. Look for either “Internet Recovery” or “OS X Recovery,” and select whichever one you find. This should present you with a “Reinstall OS X” option. Click on it, and then wait as your MacBook Pro connects to the Internet and gathers information on your laptop from Apple servers.

You may be prompted to provide your Apple account information, including username and password. If so, provide it. In any case, this process will eventually reach the point where your MacBook downloads the latest version of OS X, as well as the standard programs that Apple includes pre-installed on every laptop. Your hard drive will then be automatically formatted, and the computer will restore itself to factory settings.

Step 5

Once the reinstallation process is completed, you can either restart your computer, provide your Apple ID information, and start copying your files back over to the computer from your external hard drive, or you can turn the computer off and go about selling it to a new owner.

Mar 24, 2017 | Book Computers & Internet

1 Answer

Repeated password requests


OS X does that now if you are running programs that can modify your system / hard drive.

You can change some settings in:
Apple menu
System Preferences
Security & Privacy
Unlock using Lock Icon bottom left,
Change the 'Allow Apps Downloaded From' setting.
Click to lock to save changes.

All the best to you,
Kerry

Jan 16, 2014 | Apple MacBook Pro Notebook

1 Answer

When I turn my apple MacBook Pro on it goes to a system lock pin entry screen. I tried resetting the ram but then it goes to an administration password entry screen. What options do I have. I think the...


If you have a apple store account and wifi, you hold down the Option and the R buttons while booting until the apple symbol appears, follow menu from there to install proper OS

Sep 21, 2013 | Apple Genuine 13.3" Macbook Pro Unibody...

1 Answer

I would like to restore my MacBook back to its factory settings, like when it comes out of the box


If you have an OS X installation DVD, you can go through the installation process and will be given the option to do a fresh install.

Jul 31, 2012 | Apple MacBook Pro Notebook

2 Answers

I have a used macbook pro and I don't have the


There are two options you have. You can either acquire an OS (Operating System) disc to reformat the drive and reinstall the OS or you can return it to first user using the Single User boot mode.
The first option is easiest and erases their data so you don't have to worry about it being there.
The second option requires knowing some basic terminal commands.Final note: Have you tried just pressing enter on the login screen? Many times people don't have passwords but it will still ask for them.

Jul 25, 2011 | Apple Computers & Internet

2 Answers

My laptop has suddenly frozen, i turned it off by the power button and whenever i try to turn it on it turns white screen, then shutsoff after 3-5minutes.


Resolution
  1. Disconnect any devices connected to the computer including printers, hubs, and third-party keyboards or mice, and test the computer again by trying to turn it on.
  2. If you're using a MacBook or MacBook Pro, check the battery level. Press the small button on the battery or on the side of the computer. You should see lights indicating the battery's level of charge. If you see just one light blinking, the battery needs to be recharged. Use the computer with the adapter connected to recharge the battery.
  3. Unplug the power adapter from the electrical outlet and from the MacBook, MacBook Air, or MacBook Pro. Wait one minute. Plug it back into the wall first, then to the computer. Make sure the electrical outlet is working by plugging in another device (such as a lamp). When you plug the adapter back into the computer, the power adapter LEDs should light up green or amber.
  4. Inspect the MagSafe port on the computer for debris, such as metal stuck to the magnet in the port, which might prevent the connector from seating properly. On the adapter side, look at the DC connector for dust or other debris and check whether pins are missing, bent, or stuck down. If you find any of these to be true, see Apple Portables: Troubleshooting MagSafe adapters for instructions on cleaning the adapter.
  5. Make sure you are using the adapter that was designed for your computer. If you aren't sure or if you need a new adapter, learn which adapter is appropriate for your computer.
  6. Press the control key, the command key, and the power button simultaneously and hold for three seconds to try to restart the computer.
  7. Reset the PRAM. After pressing the power button, hold down these keys simultaneously: Command-Option-P-R, until you hear the startup chime at least one additional time after the initial startup chime.
  8. Reset the SMC for the MacBook And MacBook Pro by removing the AC power, removing the battery and then holding down the power button for five seconds. On the MacBook Air, press (left) Shift-Control-Option along with the power button once. Note: You must use the keys on the left side of the MacBook Air keyboard.
  9. If you recently installed additional memory, make sure it is correctly installed and is compatible with your computer. Remove the new memory to see if the computer starts up properly without it.
Also:
The MacBook SMC Firmware Update v1.1 improves the MacBook's internal monitoring system and addresses issues with unexpected shutdowns. This update is recommended for all MacBook systems, including those that received warranty repair.
You can use the Software Update feature of System Preferences, or download the MacBook SMC Firmware Update v1.1 from Apple Software Downloads.
Note: If your MacBook is running Mac OS X 10.4.6, you won't be able to see the SMC Update until you update to Mac OS X 10.4.8. Once you have updated your system software, the SMC Update will appear as an option in Software Updates.
MacBooks running Mac OS X 10.4.7 will be able to download and install the SMC Update, so it is not essential that you update your system software, although Apple always recommends updating to the latest version of the system software.
If your MacBook is in a state where it will not remain on long enough to install the update, wait for the issue to reproduce itself. Once the MacBook has turned itself off, turn the computer on by holding the power button down. Keep the button down until you hear a single long tone. Once you hear the tone you can release the button, install the recommended updates, and restart normally.

Dec 30, 2010 | Apple MacBook Mac Notebook

2 Answers

How do you turn off DOS mode on a 13" MacBook Pro?


Is this a trick question? There is no "DOS mode" on a MacBook Pro.
Do you have WIndows installed as part of Boot Camp, and your machine is booting into Windows? To boot back into the Mac, either use the Boot Camp control panel in Windows, or hold down the Option key after you hear the startup chime and select the OS X partition to boot from.

Nov 14, 2010 | Apple 13.3 MacBook Pro Notebook Computer ...

1 Answer

Macbook black will not start beyond the initial 'bong'. Blue screen followed by endless spinning gear. PRAM, SMV reset, no go. Safe mode can't complete. With battery or on power adapter same result....


Hello yang2699tlk,
Try this instead of using your Leopard Disc.

  1. Immediately after the "bong" press and hold down "Command + S".
  2. Wait for blinking cursor and then type fsck -y (exactly like that).
  3. If you receive an "Appears to be OK" then type reboot and hit the return key.
  4. If you receive a "Disk has been modified" then repeat the fsck -y command until you get an "Appears to be OK" then type reboot and hit the return key.

This set of commands entered in "Single User Mode" will repair your disk. If this does not work remove the hard drive, plug it into another Mac and transfer your data to a different computer. Then install a new hard drive and reinstall Mac OS X.

Hope this helps, don't forget to vote. Thanks.

Feb 27, 2010 | Apple MacBook Pro Notebook

1 Answer

Apple key no longer working


The Kensington keyboard is being recognised as a PC-style keyboard, and the software has swapped the action of Apple (Command) and Alt (Option). Go to System Preferences > Keyboard and Mouse, and set the Modifier keys correctly in the Keyboard panel.
macs2u

Jun 16, 2008 | Kensington Comfort Type Wireless Optical...

1 Answer

Apple macbook pro


http://forums.macrumors.com/forumdisplay.php?f=129 Look here first as I'd need more info prior to Guestimating the cause.. (Were Swamped).. Any way post back.. Sounds like drive failure to me or similar/OS Issue but could be more. Is the flashing/Change Timed or an Intermittent thing..

Good luck!

Mar 10, 2008 | Apple MacBook Pro PC Notebook

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