iMac will not start. From sound and sometimes Apple, but no further details. How can I get?

Just got an iMac and it will not start up.  I can get the sound start and, sometimes, the Apple logo, but it stops there.

Have tried to use 'command-option-P-R' together. Have you tried "D".  Tried "control C".  Are there other possibilities that I could try?

Install or reinstall OS X from scratch

Make sure that you have backed up your files because the following procedure will remove all of the hard drive.

HD recovery start:

Restart the computer and after the buzzer, press on and hold down the COMMAND and R until the menu screen appears.

Erase the drive:

1. select in the main menu disk utility and click on the continue button.

2. once the charges of THE select your boot volume (usually Macintosh HD) in the

list on the left. Click on the Erase tab in the main window of THE.

3. set the type of format Mac OS extended (journaled). If necessary, click

Security and button all the option data from scratch in a single pass. Click

the clear button and wait until the process is complete.

4 leave FROM and return to the main menu.

Reinstall OS X: Select reinstall OS X and click on the install button.

Note : You will need an active Internet connection. I suggest to use Ethernet if possible

because it is three times faster than wireless.

This should install the version of Mac OS X that you had installed it.

If this does not work then your hard drive has failed and must be replaced. Please make an appointment at the Apple Store - Genius Bar store and bring it into service. If you are in the United States or is unable to make an appointment in this way, contact your Apple store.

Tags: Mac OS & System Software

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