Bootcamp assistant not working

I have an iMac 21 mid 2010 and Im running OSX 10.11.2

When I open Bootcamp assistant it has grey out the option to install or remove Windows 7 or later (See attach image). Any clue as to why is this happening?

User uploaded file

iMac (21.5-inch Mid 2010), OS X El Capitan (10.11.2)

Posted on Dec 16, 2015 10:48 PM

Reply
17 replies

Dec 17, 2015 6:11 AM in response to Loner T

I have inserted DVD's and none of them works. The last time the DVD/cd drive worked was probably 2 years ago, then i bought a new mac and this old imac never got used. Now i want to install Windows 7 home premium 64 and i got and iso file. I've been trying for days with no luck with differente options that I have found over the internet. Options that allows to install Windows 7 without DVD and/or witout Bootcamp. None of them have worked so far. A couple of days back I rolled back to Yosemite from El Capitan and I had the same problem. I was trying to go back to the OSX that I had 2 or so yeyars ago when the DVD/CD was working. I had no luck with Yosemite and now im back on El Capitan. So apparently the only solution is to buy an external DVD/CD drive? I dont wnat to make that investment and find out that it dosent work either.

Dec 17, 2015 6:24 AM in response to Loner T

Nope. I did that yesterday with no luck. This step didn't work:

Step 4 Clone the VMware installation files into the BOOTCAMP partition


1. Get Winclone / I Bought it.

2. Start Winclone and now you can Clone the Windows Drive you just mounted to your BOOTCAMP partition selecting Restore

Winclone gives this error message.

User uploaded file

You can check my comment at the end of that thread.

Dec 17, 2015 8:50 AM in response to Loner T

Loner T,

Not sure if I need to post this info?


1. Please download GPT Fdisk - http://sourceforge.net/projects/gptfdisk/ .

Done and installed

2. Post the output of the following commands.

diskutil list


/dev/disk0 (internal, physical):

#: TYPE NAME SIZE IDENTIFIER

0: Apple_partition_scheme *500.1 GB disk0

1: Apple_partition_map 32.3 KB disk0s1

2: Apple_HFS Macintosh HD 150.4 GB disk0s3

3: DOS_FAT_32 BOOTCAMP 349.5 GB disk0s4

/dev/disk1 (external, physical):

#: TYPE NAME SIZE IDENTIFIER

0: FDisk_partition_scheme *62.8 GB disk1

1: DOS_FAT_32 WININSTALL 62.8 GB disk1s1

sudo fdisk /dev/disk0

Disk: /dev/disk0 geometry: 60801/255/63 [976773168 sectors]

Signature: 0x0

Starting Ending

#: id cyl hd sec - cyl hd sec [ start - size]

------------------------------------------------------------------------

1: 00 0 0 0 - 0 0 0 [ 0 - 0] unused

2: 00 0 0 0 - 0 0 0 [ 0 - 0] unused

3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused

4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused


sudo gpt -vv -r show /dev/disk0


gpt show: /dev/disk0: mediasize=500107862016; sectorsize=512; blocks=976773168

gpt show: /dev/disk0: MBR not found at sector 0

start size index contents

0 976773168


3. If you are using El Capitan, we also need to disable SIP.

csrutil is disabled.


After doing all the above Winclon still refuses to clone the mounted Windows 7 into BOOTCAMP.

Is the order correct?

Dec 17, 2015 9:03 AM in response to Loner T

I have upgraded progressively since I bought this iMac in 2010 via Apple, no other way, to El Capitan 10.11.2 that I have now. Yesterday I rolled back to the most old version that I had in my time capsule and it was Yosemite 10.10. Then again upgraded via App store to el Capitan today.

So basically, all the upgrades have come from Apple.

My DVD hardware have been broken since 2012 at least so I cannot remember any systems upgrades via DVD.

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Bootcamp assistant not working

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