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Windows 7: 2nd disk causes boot to fail


28 Sep 2010   #1

windows 7 64bit
 
 
2nd disk causes boot to fail

I installed Windows 7 64 bit to replace Vista 32 bit. I have 2 physical disks and did the install with both disks installed. Now when I remove the 2nd disk it boots fine but won't boot with the 2nd disk installed.

My first disk has 2 partitions: c: (where vista was installed) and d: for everything else. When I boot from the installation disk to do a repair, the os field is blank. When I use bootsect.exe it only offers d:

I have read plenty of examples win this forum and others for replacing the mbr but none have worked. I also tried formatting the 2nd drive but that didn't work either.

I just want to use the 2nd drive without the system files as a backup. What can I do?

My System SpecsSystem Spec
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28 Sep 2010   #2

windows 7 64bit
 
 

Does this help?


Attached Thumbnails
2nd disk causes boot to fail-capture.png  
My System SpecsSystem Spec
28 Sep 2010   #3
Microsoft MVP

W 7 64-bit Ultimate
 
 

Hello mcquam, welcome to Seven Forums!





The thing to do is to disconnect the other Hard Disk Drive (HDD) and do at least 3 separate startup repairs with system restarts between each repair to finish creating the boot files to the Windows 7 C: partition; when finished power down the PC and reconnect the other HDD and all should be ok.

Have a look at this tutorial at the link below for some info; be sure to post back with any questions you may have and to keep us informed.


Startup Repair - Run 3 Separate Times
My System SpecsSystem Spec
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28 Sep 2010   #4

windows 7 64bit
 
 

Many thanks Bare Foot Kid. I had actually tried that before but I did it again. No change except that the os appears correctly in c: during the repair.

When I install the 2nd HDD and reboot it boots straight to the ODD. I checked the BIOS and the boot order shows the 2nd drive correctly as third. When I look at the disk mgmt the 2nd HDD is not shown as system but there is a locked system information folder in it in explorer.
My System SpecsSystem Spec
28 Sep 2010   #5
Microsoft MVP

 

Why is your C HD showing as both DISK0 and DISK1 in screenshot? Are you using RAID0? Which port is plugged into if single HD is used?

As the M:Backup drive seems to be causing the problem and is empty according to DMgmt, I would delete, create new and format it in Disk Mgmt.

If this doesn't solve the problem, try plugging Windows 7 HD into different SATA port to see how it registers. Be sure to set it as first HD to boot in BIOS setup.
My System SpecsSystem Spec
29 Sep 2010   #6

windows 7 64bit
 
 

Disk1 is an SD card reader.

I tried to delete the system folder in M:Backup but it won't let me. I tried giving myself full permission but still couldn't do it (I may have got this wrong of course).

You suggest I put the 2nd drive in first - I haven't tried that as I wouldn't expect it to boot. Wouldn't it just repair into the main os?
My System SpecsSystem Spec
29 Sep 2010   #7
Microsoft MVP

 

Wipe your M drive using DISKPART from elevated CMD prompt: Clean and Clean All with Diskpart Command

If you move your Windows 7 HD to another port, you'll need to change it to boot first in BIOS setup.
My System SpecsSystem Spec
29 Sep 2010   #8

windows 7 64bit
 
 

Thanks, that seems to have made progress. However, the cleaned disk does not give me the option to format or partition. Did I do something wrong?


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My System SpecsSystem Spec
29 Sep 2010   #9
Microsoft MVP

W 7 64-bit Ultimate
 
 

You now have to click where the red box is to initialize the HDD before you can install to it.


If I were you I would not try to install to the whole HDD as Windows sometime "chokes" when trying to install to so large a space, create a partition of at least 100GB to install to.


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My System SpecsSystem Spec
30 Sep 2010   #10

windows 7 64bit
 
 

OK thanks to your advice I managed to get the disk initialized with 2 partitions as you suggest.

However, when I reboot I get the same result - straight to the DVD. When it goes through the repair procedure the OS is blank. I can still only boot without the 2nd HDD.


Attached Thumbnails
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My System SpecsSystem Spec
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 2nd disk causes boot to fail




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