Please help to recover and repair my partitions

Hi all

I tried to partition my MacBook Pro (with the retina with El Capitan) and I totally messed up my laptop.

I deleted something very important and now the system is in a State. I had to download and run El Capitan from a usb key and when I try to make the USB bootable with Diskmaker X, I get a zero... error. Now, I can only use my Mac with usb in. I tried to recover and reinstall but I get an error all round.

My biggest mistake was that I never backed up anything.

Here is my list

/ dev/disk0 (internal, physical):

#: NAME SIZE TYPE IDENTIFIER

0: GUID_partition_scheme * GB 121,3 disk0

1: disk0s1 EFI EFI 209.7 MB

2: Apple_CoreStorage GB 120.5 disk0s2

3: disk0s3 Apple_Boot Recovery 650.0 MB HD

/ dev/disk1 (external, physical):

#: NAME SIZE TYPE IDENTIFIER

0: GUID_partition_scheme * GB 15.6 disk1

1: EFI EFI 209.7 MB disk1s1

2: Apple_HFS GB 14.7 Untitled disk1s2

3: disk1s3 Apple_Boot Recovery 650.0 MB HD

Please help me

Reinstall El Capitan without erasing the drive

Make sure that you have a current backup before continuing.

HD recovery start:

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

Repair

When the recovery menu appears, select disk utility and press the continue button. Disk utility charges and select Macintosh HD entry indented from the list on the left.  Click the first aid tab in the toolbar... If disk utility reports any errors that have been corrected, then re-run first aid until no errors are reported. Wait until the operation is complete, then quit disk utility and return to the main menu. Select restart from the Apple menu.

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

Note : You will need an active Internet connection. I suggest to use Ethernet if possible because it's three times faster than Wi - Fi and more reliable.

If the above does not work, then you will need to erase the disc then install;

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.

Tags: Notebooks

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