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Old Nov 3, 2012, 01:09 PM   #1
StarlightRider
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Join Date: Nov 2012
Location: Crawfordville Florida
Cannot access Windows 7 dual-boot after upgrading to Mountain Lion

I have a 2011 MacBook Pro 17" that came with Lion. I created a Windows 7 64bit bootcamp install. I also bought and installed VMWare Fusion. After I created the bootcamp partitiion I realized I needed more diskspace. I booted into Windows 7 and increased it's partition using a third party tool. After I did that I found out I can no longer access bootcamp from os x in fusion (I realized my mistake too late). Inconvenient, but I decided not to worry about it for now. I use Windows 7 in my job, and os x at home, so I just boot into the appropriate os according to whatever I'm doing.

Yesterday, I bought and upgraded to Mountain Lion. I no longer see my Windows drive when I hold down the option key during restart. I googled the issue and tried setting the partition to be bootable. Now I see it, but when I select it to boot into, I get a message about no operating system found.

I searched this forum for a similar issue and executed the following commands:

Code:
MacBook-Pro:~ Daddy$ sudo gpt -r -vv show disk0
Password:
gpt show: disk0: mediasize=750156374016; sectorsize=512; blocks=1465149168
gpt show: disk0: Suspicious MBR at sector 0
gpt show: disk0: Pri GPT at sector 1
gpt show: disk0: Sec GPT at sector 1465149167
       start        size  index  contents
           0           1         MBR
           1           1         Pri GPT header
           2          32         Pri GPT table
          34           6         
          40      409600      1  GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
      409640  1171823232      2  GPT part - 48465300-0000-11AA-AA11-00306543ECAC
  1172232872     1269536      3  GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
  1173502408   175834680         
  1349337088   115810304      4  GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
  1465147392        1743         
  1465149135          32         Sec GPT table
  1465149167           1         Sec GPT header
Code:
MacBook-Pro:~ Daddy$ sudo fdisk /dev/disk0
Disk: /dev/disk0	geometry: 91201/255/63 [1465149168 sectors]
Signature: 0xAA55
         Starting       Ending
 #: id  cyl  hd sec -  cyl  hd sec [     start -       size]
------------------------------------------------------------------------
 1: EE 1023 254  63 - 1023 254  63 [         1 -     409639] <Unknown ID>
 2: AF 1023 254  63 - 1023 254  63 [    409640 - 1171823232] HFS+        
 3: AB 1023 254  63 - 1023 254  63 [1172232872 -    1269536] Darwin Boot 
*4: 0C 1023 254  63 - 1023 254  63 [1349337088 -  115810304] Win95 FAT32L
At this point, I would be happy if I could just get my data from the windows partition. I wouldn't mind trashing it after that and recreating my bootcamp partition from scratch.

Any help would be greatly appreciated.
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Old Nov 5, 2012, 08:32 PM   #2
StarlightRider
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Join Date: Nov 2012
Location: Crawfordville Florida
Anyone have any suggestions on how I may be able to at least gain access to the damaged Windows partition so I can retrieve a few files?
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