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Restoring Booting...

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about2flip

about2flip

Joined
Mar 4, 2013
Messages
25
Motherboard
probook
CPU
i3
Graphics
intel
Mac
  1. 0
Classic Mac
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Hi,

I am using a Probook 4530s, and all the sudden it stopped booting up. I have been running my setup 10.8 ML for about a year now without any issue. One day my battery died, and it just shut off, and after that it only boots now with my USB installer in it.

How can I repair the boot without destroying any other data.

Thanks in advance for your help on this matter.
 
about2flip said:
Hi,

I am using a Probook 4530s, and all the sudden it stopped booting up. I have been running my setup 10.8 ML for about a year now without any issue. One day my battery died, and it just shut off, and after that it only boots now with my USB installer in it.

How can I repair the boot without destroying any other data.

Thanks in advance for your help on this matter.
Click to expand...

Difficult to help when you haven't specified exactly what happens when you attempt to boot from your HDD.
 
Hi,

I get boot device not found error (3f0) boot device not found.
Its not booting up whatever it is that makes the drive boot OS X ML.

I can only from the USB installer now.

I have been running ML for about a year now without any boot issue.


Thanks Again.
 
about2flip said:
Hi,

I get boot device not found error (3f0) boot device not found.
Its not booting up whatever it is that makes the drive boot OS X ML.

I can only from the USB installer now.

I have been running ML for about a year now without any boot issue.


Thanks Again.
Click to expand...

You are probably lacking an active partition.

Check with:
Code: 
sudo fdisk /dev/disk0

You should have a partition marked with '*'...

If not, use fdisk to mark a partition as active.
 
Screen Shot 2014-03-23 at 11.04.02 AM.png

Hi,

I only see one with unknown ID. Do I make that one Active?


Thanks
 
Thanks for the link, but i'm confused about which one should be my active

i know its not dev/disk3.

disk0 has 4 partitions which one should I make active:

EFI 1 or should it be partition 2 to make it boot correctly again.

Screen Shot 2014-03-24 at 6.00.32 AM.png

Thanks
 
about2flip said:
Thanks for the link, but i'm confused about which one should be my active

i know its not dev/disk3.

disk0 has 4 partitions which one should I make active:

EFI 1 or should it be partition 2 to make it boot correctly again.

View attachment 87531

Thanks
Click to expand...

Probably partition 2 (your main OS X "MyMac" partition)...
 
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