CALCULATOR MAC OS RESETS TO NUMBER MAC OS X
CALCULATOR MAC OS RESETS TO NUMBER INSTALL
CALCULATOR MAC OS RESETS TO NUMBER SERIAL
CALCULATOR MAC OS RESETS TO NUMBER PASSWORD
CALCULATOR MAC OS RESETS TO NUMBER DOWNLOAD

In essence this hides the password without encrypting it to any degree, similar to one typing by shifting keypresses to the right by one character to make the input text look garbled. This means it is run through a very basic conversion that keeps the same character logic of the password and therefore makes the the password illegible without truly scrambling its sequence. On these systems, the firmware password is stored as a PRAM variable in which the password is simply obfuscated.

CALCULATOR MAC OS RESETS TO NUMBER INSTALL

The Firmware Password Utility is by default in the Utilities menu on the recovery partition or on the OS X install disc, and may not be available if you cannot boot to these volumes. Unfortunately in these cases for newer Mac systems shipped in 2011 or later, you have to get the system serviced to reset the password however, if you own a system from before 2011, then you can retrieve a forgotten password, provided you have admin access to the system. While this can be done using Apple's Firmware Password Utility on the recovery drive or OS X installation disc, there may be times when you do not have access to this drive either because it is missing or corrupted, and therefore cannot use the password utility.

Once no longer in your possession, remove the Mac from your devices in My Support Profile.A firmware password on Mac systems locks the hardware to prevent booting to alternative modes that could bypass OS X security, but in order to access some of these modes you first have to disable the firmware password.

CALCULATOR MAC OS RESETS TO NUMBER SERIAL

Execute a bill of sale showing the Mac's serial number.

Consider including your AppleCare certificate if you bought it, printed documentation, even the box if you still have it.ДЄppleCare stays with the equipment and is transferable.

System Install DVDs that came with your Mac should remain with it forever, and must be included with the sale.

If the Mac is being sold to someone outside the family consider the following additional information: Its new owner must purchase them from the Mac App Store using his or her own Apple ID.

If you want to install the bundled apps that were included with your Mac, restart by using your Applications DVD if one was included, and install the bundled apps.ДЄpps bundled with newer Macs that shipped without discs cannot be transferred.

When it finishes, shut down the computer.

If a prompt for an Apple ID appears, return to Step 5.

CALCULATOR MAC OS RESETS TO NUMBER MAC OS X

Select Install Mac OS X from the Utilities menu.The fastest method is sufficient since all but the most expensive techniques and equipment will be able to recover securely erased data.The more 'securely' you erase the disk, the longer it will take.Select the 'Security Options' button and erase the disk.

Select the Mac's hard disk icon, then select the 'Erase' tab.Remove any partitions you may have created.Select Disk Utility from the Utilities menu.Remove any Open Firmware password if you created one: select Firmware Password Utility from the Utilities menu and remove it.

CALCULATOR MAC OS RESETS TO NUMBER DOWNLOAD

This method forces the Mac to download its originally installed OS from Apple's servers, which will not require an Apple ID to install.Keep the other three fingers where they are until you see the 'spinning globe' icon.With a fourth finger press the power button to turn on the Mac.using three fingers press and hold the following keys: вЊ (command), option, and R.If your Mac did not ship with discs, boot OS X Internet Recovery:.

If your Mac shipped with a grey System Install DVD, start your Mac with that disc inserted in the optical drive while holding the c key to boot from it instead of its internal volume, which should be erased before selling it.

Next: Remove all your personal information by completely erasing the Mac's internal storage. Select 'Delete from Mac' when it appears.

System Preferences > iCloud > de-select 'Back to My Mac' and 'Find my Mac'.

You should use ioreg -n 'AppleSmartBatteryManager' -r -l and from there it should be easy to calculate.

If you enabled FileVault, disable it in System Preferences > Security & Privacy. If you only need this information for a laptop, call IOPMCopyBatteryInfo and look at the values for the kIOBatteryVoltageKey and kIOBatteryAmperageKey keys to compute the power usage.

Refer to What to do before selling or giving away your Mac To correctly sell or transfer ownership of a Mac, even to someone in your family, you should follow these instructions.Дisregard anything you are unable to accomplish.

Calculator mac os resets to number