m0ng

Q: Partition pain

I was trying to free up some space from my windows 10 partition to go back to my Mac OS X 10.10.2 partition. You used to be able to do this in either boot amp or the disk utility just by dragging the sliders, I'm sure...i couldn't get it to work in Mac I looked online and read somewhere that Windows 10 could do it natively.

 

In Windows 10 disk management o resized the bootcamp partition to free up some space. This then created an empty partition, so I headed back to OS X, but it didn't seem to see it in disk utility, aback to Windows 10, I thought if I formatted it as fat32 os X would see it and be able to reclaim the space.

 

That's when the sh*t hit the fan:

 

-cant boot into os X

-cant boot into Windows 10

 

when booting the screen is black for a long time then the machine tries to book Windows but says there's no bootable media (or something similar).

 

I tries command + R to load online help/utilities but disk utility their recognises all the partitions but cannot seem to do anything with them, like delete or repair etc. It says it can't make changes to the boot map (apologies not exact mssage(s) have subsequntly been drinking to numb the misery of it. Am away from home, so don't have any bootable media Or any backups with me.

 

basically I've broken the guild map I think but because everything's greyed out in the utilises, I can't erase any partitions (if that's what I need to do).

 

would someone please give me some advice? - will it be possible to save the data on the os X partition? (Not so bothers about Windows 10)???

 

thanks in advance

 

david

 

Macbook pro retina 15inch 2012

Posted on Dec 28, 2015 9:10 PM

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Q: Partition pain

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  • by m0ng,

    m0ng m0ng Dec 31, 2015 11:49 PM in response to Loner T
    Level 1 (62 points)
    iPhone
    Dec 31, 2015 11:49 PM in response to Loner T

    Followed all of those instructions.

     

    Windows disk appears in alt/option list at start up and is available in system preferences as a startup disk option. However, when booting into windows there is an error message along the lines of "can't be accessed or device missing". I guess I will need to download a windows 10 install disk and run some restore process(es) as none of the options in that blue menu work. Nevermind.

     

    Thank you so much from the bottom of my heart. Please let me know PM me your amazon wish list or paypal details so I can at least give you some small token for your tremendous amount of time and patience!

     

    I'm not sure exactly which post to click on to indicate which one 'fixed the problem' perhaps you know the etiquette here?

     

    Thank you so much!

  • by Loner T,

    Loner T Loner T Jan 1, 2016 8:16 AM in response to m0ng
    Level 7 (24,611 points)
    Safari
    Jan 1, 2016 8:16 AM in response to m0ng

    m0ng wrote:

     

    Windows disk appears in alt/option list at start up and is available in system preferences as a startup disk option. However, when booting into windows there is an error message along the lines of "can't be accessed or device missing". I guess I will need to download a windows 10 install disk and run some restore process(es) as none of the options in that blue menu work. Nevermind.

    Is W7/W8+ installation which was upgraded to W10 on a 2012 MBP? How much effort is it to backup your files, wipe W10 and re-install W10 and restore your files.

    Thank you so much from the bottom of my heart. Please let me know PM me your amazon wish list or paypal details so I can at least give you some small token for your tremendous amount of time and patience!

     

    That, in itself, is sufficient.

     

     

    I'm not sure exactly which post to click on to indicate which one 'fixed the problem' perhaps you know the etiquette here?

    You get to pick, if you want to.

  • by m0ng,

    m0ng m0ng Jan 1, 2016 5:36 PM in response to Loner T
    Level 1 (62 points)
    iPhone
    Jan 1, 2016 5:36 PM in response to Loner T

    You're so very kind. I hope you have a wonderful new year. If you don't want something personally, I would gladly donate to a charity of your choice.

     

    Many thanks again.

     

    I'll have a read through the posts and chose one to tick that seems appropriate. If you disagree with my choice, please let me know.

  • by Loner T,

    Loner T Loner T Jan 1, 2016 7:23 PM in response to m0ng
    Level 7 (24,611 points)
    Safari
    Jan 1, 2016 7:23 PM in response to m0ng

    Pick a charity of your choice, or donate to the authors of two tools you used. Thanks for choosing a post.

  • by m0ng,

    m0ng m0ng Jan 1, 2016 7:34 PM in response to Loner T
    Level 1 (62 points)
    iPhone
    Jan 1, 2016 7:34 PM in response to Loner T

    Loner T wrote:

     

    Pick a charity of your choice, or donate to the authors of two tools you used. Thanks for choosing a post.

     

    Ah! now there's another good idea from you. Thank you again.

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