El Capitan always ask for an authorization or passwords!

Hi all.  I just used most recent iMac, mid-2011. 27 "i5 2.7, ram 4 GB, 12.2, first use

El Capitan of Snow Leopard.

So frustrating that almost every simple task I want to do, I have a

Authenticate or enter the user name and password. EG just to move a file in

a folder, or in the trash.  In addition, either after just want to move a file, copy it

It is!  I guess it's a problem of user group; I tried disk utility, found

No permissions problem, don't know what to do.  This isn't the Mac I have

known and used since 1990!  Thanks for any help, Bob, prisoner of El Capitan.

Before purchasing a used computer, you must have run Apple Diagnostics or the Apple Hardware Test, whichever is applicable.

The first thing to do after the acquisition of the computer is to wipe the internal drive and install a new copy of Mac OS X. You - not the original owner, must do. Changes made by Apple over the years have made this very complex seemingly simple task.

How would you do it depends on the model, and if you already have another Mac. If you are not sure of the model, enter the serial number on this page. Then, find the model on this page to see which version of the OS was initially installed.

It is dangerous and may be illegal to use a computer with software installed by a previous owner.

1. If you do not have another Mac

a. If the machine comes with OS X 10.4 or 10.5, you need a Snow Leopard install disc (OS X 10.6) retail boxed and "Shrink Wrap" on the Apple Store or a reputable dealer - no eBay or something of the sort. If the machine is very old and has less than 1 GB of memory, you need to add in order to install 10.6. Preferably, install as much memory can take, according to the technical specifications.

(b) if the machine comes with OS X 10.6, you need the installation media that accompanies it: gray installation discs, or a USB flash drive for a MacBook Air. You should have received the media of the original owner, but if you do not, order replacements from Apple. A disc at retail, or the gray discs of another model, will not work.

To start from an optical disc or a flash drive, insert it, and then restart the computer and hold the C key to start ringing. Release the button when you see the gray Apple logo on the screen.

c. If the machine comes with OS X 10.7 or later version, you don't need media. It should start in the mode of Recovery of the Internet when you hold down the key combination option-command-R to start ringing. Release the keys when you see a spinning globe. Note that Mac Pro models turn over end of 2014 (with the box of "cheese grater") cannot use Internet recovery, regardless of what version of OS they shipped with. The Mac Pro round (2014 or later) can use it.

d. some models 2010-2011 comes with OS X 10.6 and received a firmware update after 10.7 was released, allowing them to use Internet recovery. If you have one of these models, you cannot reinstall 10.6 even from the original media, and recovery of the Internet won't work either without Apple ID of the original owner, in this case, contact Apple technical supportor take the machine to an Apple Retail Store or other authorized service provider to have an operating system installed.

2. If you do not have another Mac

If you already have another Mac which has been upgraded in the App Store to the version of Mac OS X that you want to install, and if the new Mac is compatible with it, then you can install it. Use the recovery disk wizard to prepare a USB device, and then starts the new Mac of it by pressing the C key to start ringing. Alternatively, if you have a backup of OS X Time Machine 10.7.3 or later on an external hard drive (not a time Capsule or other network device), you can start by holding down the option key and clicking in the row of icons that is displayed. Note that if your other Mac has never updated in the App Store, you can not use this method.

3 partition and install OS X

a: If you see a lock screen trying to boot from the support installation or recovery mode, then a firmware password has been defined by the previous owner, or the machine was locked remotely via iCloud. You will need to either contact the owner or by the machine to an Apple Retail Store or other provider of service to be unlocked. May asked you proof of ownership.

b. launch disk utility, and then select the internal drive icon - no volume icons nested beneath it. In the Partition tab, select the default options: a partition table GUID with the volume of data in Mac OS extended (journaled) format. This permanently deletes all existing data on the disk.

c. an unusual problem can occur if all the following conditions apply:

OS X 10.7 or later version has been installed by the previous owner

The boot volume has been encrypted with FileVault

You start in recovery mode (that is, not of a 10.6 disk installation)

In this case, you will not be able to unlock the volume or partition the drive without the FileVault password. Ask for advice or see this discussion of the CSA.

d. after partitioning, quit disk utility and run the OS X Installer. If you install a version of OS X was acquired from the App Store, you will need the Apple ID and password you used. When the installation is complete, the system reboots automatically in the Migration Wizard, which will prompt you to transfer the data from another Mac, its backups, or from a Windows computer. If you have all the data to be transferred, it is usually the best time to do it.

e. run the software update and install all available Apple system updates. To upgrade to a major version of Mac OS X newer than 10.6, get it from the Mac App Store. Note that you can not keep an improved version that was installed by the first owner. He or she cannot legally transfer to you, and without the Apple ID, you will be able to update in a software update or reinstall, if it becomes necessary. Is the same for all App Store products that the previous owner installed, you will need to buy.

4. other issues

a. If the original owner "accepted" bundled iLife (iPhoto, iMovie and Garage Band) applications in the App Store so that he or she could put up-to-date, IRREVOCABLY linked to that Apple ID and you can download them without having to buy them. Reportedly, the Mac App Store Customer Service sometimes issued codes of reimbursement for these applications to second owners who asked.

(b) if the previous owner has not Deauthorize the computer in the iTunes Store under his Apple ID, you will not be able to authorize immediately under your username. In this case, you will have either to wait up to 90 days or contact iTunes Support.

c. When you try to create a new iCloud account, you could get a failure message: "Account limit reached." Apple imposes a limit of life of three configurations by device iCloud account. Erasure of the unit does not reset the limit. You can always use iCloud account that was created on another device, but you will not be able to create a new. Contact iCloud Support for more information. Configuration limit does not apply to the Apple ID accounts used for other services, such as iTunes and Mac App Store or iMessage. You can create as many accounts you want.

Tags: Mac

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