Cant boot into usb to install os x after installed windows(fully removed os x)...please help urgent

Question

Level 1

8 points

Cant boot into usb to install os x after installed windows(fully removed os x)...please help urgent

Hi , I bought a new macbook air (ealry 2015)

I tried installing windows and accidentally converted whole ssd drive into MBR partition via using the cmd panel available when installing windows wizard.. After that , I tried using all kind of bootable OS x Yosemite via using terminal of my friends Mac to make it bootable and when I tried to boot into, this picture is I get.I tried everything , like paragon rescue kit and it stuck at a hard disk icon and a lion rescue disk by apple itself and it also gives this symbol after loading ...please help me go bring back to OS x. , please tell me a soln asap

MacBook Air, Windows 8

Posted on Oct 3, 2015 1:51 PM

Reply

Answer 1

Loner T

Level 9

59,471 points

Oct 3, 2015 6:56 PM in response to sravanstarke

Can you download GPT Fdisk from http://sourceforge.net/projects/gptfdisk/ and post the output similar to the following?

Reply

Answer 2

sravanstarke Author

Level 1

8 points

Oct 4, 2015 8:17 PM in response to Loner T

I have downloaded the same and how can i check it?? what should i open and wot command should i type?

Reply

Answer 3

Loner T

Level 9

59,471 points

Oct 4, 2015 8:21 PM in response to sravanstarke

Run CMD with Administrative rights. Change directory to where gdisk32.exe is located and then run the following command.

gdisk32.exe 0:

It is the number 0 and ":" which points to disk0.

Reply

Answer 4

sravanstarke Author

Level 1

8 points

Oct 4, 2015 8:25 PM in response to Loner T

Returned this-

Reply

Answer 5

Loner T

Level 9

59,471 points

Oct 4, 2015 8:29 PM in response to sravanstarke

Type 'p' and then type 'q'. Please post the output.

Reply

Answer 6

sravanstarke Author

Level 1

8 points

Oct 4, 2015 8:34 PM in response to Loner T

o/p

Reply

Answer 7

Loner T

Level 9

59,471 points

Oct 5, 2015 5:55 AM in response to sravanstarke

Is this on a Mac or a different type of machine?

Reply

Answer 8

sravanstarke Author

Level 1

8 points

Oct 5, 2015 5:58 AM in response to Loner T

This is macbook air early 2015 13.3". Like I mentioned, I accidentally deleted all partition when I was booted into windows setup to install windows on Mac. After that , I can't reinstall Mac

Reply

Answer 9

Loner T

Level 9

59,471 points

Oct 5, 2015 6:02 AM in response to sravanstarke

The structure looks like a typical PC. It is not the standard structure that a Mac uses. What is the size of your internal disk?

If you do not want to erase the internal disk, consider How to install OS X on an external drive connected to your Mac - Apple Support as an option.

Reply

Answer 10

sravanstarke Author

Level 1

8 points

Oct 5, 2015 6:08 AM in response to Loner T

It's 128gb ssd. I accidentally wiped and converted all the disk partition to MBR , using diskpart in cmd.. And I installed Mac OS x on an external drive using my friends macbook and but when I plug into my Mac , holding option shows to boot into it , but shows that first symbol ( white cross ) after clicking enter to boot into

Reply

Answer 11

Loner T

Level 9

59,471 points

Oct 5, 2015 8:35 AM in response to sravanstarke

Can you boot into Internet Recovery (Command+Opt+R - with the spinning globe)? Please see OS X: About OS X Recovery - Apple Support fork reference.

Reply