Hi,
I cant seem to boot my windows 7 bootcamp anymore. Is there anyway i can recover important files and documents without going on bootcamp (by using a program on the Mac OSX partition)?
Thanks!
iMac, Mac OS X (10.7.2)
Thanks for your reply! However, a problem is that i can't seem to mount my bootcamp partition after i resized it (i know that was stupid of me) and it now shows up as a disk0s4 which i cannot seem to mount through disk utility or through terminal. Is there anyway to force mount it or repair the partition table. 😕
It might be possible to get it booting again. Please copy the output of the following terminal commands in to your next post
sudo fdisk /dev/disk0
sudo gpt -r -vv show disk0
Results for sudo fdisk /dev/disk0
Disk: /dev/disk0 geometry: 121601/255/63 [1953525168 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 - 1425967984] HFS+
3: AB 1023 254 63 - 1023 254 63 [1426377624 - 1269536] Darwin Boot
4: 0C 1023 254 63 - 1023 254 63 [1560274944 - 393248768] Win95 FAT32L
And for sudo gpt -r -vv show disk0
gpt show: disk0: mediasize=1000204886016; sectorsize=512; blocks=1953525168
gpt show: disk0: Suspicious MBR at sector 0
gpt show: disk0: Pri GPT at sector 1
gpt show: disk0: Sec GPT at sector 1953525167
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 1425967984 2 GPT part - 48465300-0000-11AA-AA11-00306543ECAC
1426377624 1269536 3 GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
1427647160 132627784
1560274944 393248768 4 GPT part - EBD0A0A2-B9E5-4433-87C0-68B6B72699C7
1953523712 1423
1953525135 32 Sec GPT table
1953525167 1 Sec GPT header
Your first output shows partition 4 as the Windows partition but I would have thought it should have the type 07, whereas yours shows type 0C. Not sure about that.
That same partition is also not marked as bootable, which is necessary for it to boot.
You also now have a gap in between partitions 3 and 4 - not a good thing if you decide to use that for anything. Problems may ensue!
You could try marking the partition as bootable with fdisk then reboot and see if it works, though I'm not sure about that partition type.
To do that open a terminal and do
sudo fdisk -e /dev/rdisk0
then enter your password as requested.
Then do a "p" without quotes and press enter and you should see the output you listed earlier.
Then do "flag 4" without quotes
and press enter
It should say partition 4 is marked as active.
Then type a "w" without quotes and press enter to write the information to your partition table.
Then answer Y to confirm.
Then type exit and close terminal.
Try a reboot and see what happens.
Ok, this is what i got:
fdisk: could not open MBR file /usr/standalone/i386/boot0: No such file or directory
Enter 'help' for information
fdisk: 1> p
Disk: /dev/rdisk0 geometry: 121601/255/63 [1953525168 sectors]
Offset: 0 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 - 1425967984] HFS+
3: AB 1023 254 63 - 1023 254 63 [1426377624 - 1269536] Darwin Boot
4: 0C 1023 254 63 - 1023 254 63 [1560274944 - 393248768] Win95 FAT32L
fdisk: 1> flag 4
Partition 4 marked active.
fdisk:*1> w
Device could not be accessed exclusively.
A reboot will be needed for changes to take effect. OK? [n] y
Writing MBR at offset 0.
fdisk: 1>
I will try rebooting now.
Ok, see how that goes.
I suspect the partition type won't be good but we can have a go at changing that.
Sadly, if the partition has been moved and re-sized that may still not be enough to get it booting but we'll see.
Unfortunately it didn't make a difference. 😟 I still can't mount it or boot it.
We can try changing the partition type.
Was the Windows partition re-sized and/or moved? Or was the OSX partition re-sized?
Both, first i moved the windows partition into free unpartitioned space (while on windows) and that's when I got the Missing Operating System error when I tried to boot windows 7. Then later i tried to resize the OSX partition through disk utility into free space. And thats when bootcamp stopped appearing as a boot option altogether.
Hmm, sounds a bit messy. Maybe too messy.
We can try to change the partition type with fdisk.
However, even with that done Windows may need a chkdsk running before it will boot. I don't have the details for doing that from a Windows repair/installation disc but I think that's possible. Maybe google that after.
To change partition type
sudo fdisk -e /dev/rdisk0
type t and hit enter
type 4 and enter (partition number)
type 07 and enter (new partition type and it's a zero and a 7 NOT an O)
type w to write the changes to disc.
type Y if required then exit and reboot.
Good luck
When i try to enter the commands i get:
fdisk: could not open MBR file /usr/standalone/i386/boot0: No such file or directory
fdisk: 1> t
Invalid command 't'. Try 'help'.
fdisk: 1> 4
Invalid command '4'. Try 'help'.
fdisk: 1> 07
Invalid command '07'. Try 'help'.
Sorry about that, I'm not too familiar with fdisk myself, I use gdisk. You don't have gdisk installed do you?
I also am unable to boot up Windows on my MacBook Pro through bootcamp. I was able to recover all my files from the Windows side and save them to an external hard drive by using "Lazesoft Data Recovery for Mac." It was a free download. I still haven't figured out how to fix Windows yet.
Oh, great stuff! 😁 Sorry about my ineptitude with fdisk.
I would suggest that you delete the Windows partition and resize Macintosh HD to its full size again.
Then after a reboot I'd start over again with bootcamp and install Windows again to a new partition.
Once done don't resize or create/delete any partitions! 🙂
Well done!
How can I recover files from Bootcamp?
