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Windows 7: Windows Boot Manager - Delete a Listed Operating System


17 Jan 2009   #9
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 
Windows Boot Manager - Delete a Listed Operating System

How to Delete an Operating System Listed in Windows Boot Manager


...


My System SpecsSystem Spec
23 Oct 2009   #10
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hi Nate,

To stop dual booting, you would just make the OS you want to keep the default and delete the other OS entry in MSCONFIG.

In Disk Management, if the default OS is not the boot drive or partition, then you would not just want to delete the drive or partition of the OS that you do not want anymore since it is your boot disk. If you delete the drive or partition that is the boot one, then you would have to repair it using something like this.

MBR - Restore Windows 7 Master Boot Record


My System SpecsSystem Spec
23 Oct 2009   #11
nate42nd

Windows 7 Professional x64
 
 

That is well said. I know it's been answered by you many times (I'm sure) so thanks. I have to do many of these now that Windows 7 is "out"
My System SpecsSystem Spec
23 Oct 2009   #12
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

You're welcome Nate.
My System SpecsSystem Spec
26 Oct 2009   #13
nate42nd

Windows 7 Professional x64
 
 

This worked great in Vista! Now I have to do this from within XP and delete the Windows 7 entry and make XP the default. The MSCONFIG tab is a little different. Would I do the same thing? (I don't see a "make settings permanent" option.)

If I go into XPs MSCONFIG and delete the Windows 7 entry. then restart, will it boot onto XP? I think this machine is using the Windows 7 boot loader because XP is listed as "older versions of Windows"

(I don't have an XP install disk, so I don't want to screw it up. haha)

I found this: insert the Windows 7 DVD within XP and run this command

[DVD Drive Letter]:\boot\bootsect.exe /nt52 ALL /force

I hope it works.......
My System SpecsSystem Spec
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28 Nov 2009   #14
apvm

Windows 7
 
 

I have two hard drive, C and D, I installed Windows 7 onto C without problem, D was an older drive with XP which has some backup data I wanted to transfer to C before reformatting it... Both working fine without duel boot screen. But lately I installed a driver and it casued problem which I need to repair computer using the Windows 7 DVD....after that I have a duel boot screen with default Windows 7 (recovered) or earlier version of Windows....the screen only last 3 seconds and it will boot 7. I went to Msconfig but there is no "earlier version of Windows" to delete and the time is set to 3 seonds instead of the 30 you mentioned.

How do I delete this dual boot screen? Tia
My System SpecsSystem Spec
28 Nov 2009   #15
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello Apvm,

You can try using EasyBCD in the Add/Remove Entries section to remove the boot entry. Be sure to remove the correct non-default one though.
My System SpecsSystem Spec
29 Nov 2009   #16
apvm

Windows 7
 
 

Thanks, is there any other way, I am not really comfortable downloading shareware.
My System SpecsSystem Spec
29 Nov 2009   #17
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

I do not blame you, but I can vouch that this program is perfectly safe to use and is 100% malware free.
My System SpecsSystem Spec
30 Nov 2009   #18
drywallguy

Windows 7 Pro x64
 
 

I got help in this thread before so I thought I had the answer for a friend who was
doing a clean install of 7 over Vista with XP dual boot. No earlier version of Windows in MSCONFIG. Yes Easy BCD will fix this and is a safe download had we thought of it. We used Partition Manager free version from Easeus to remove the
10 MB boot partition from the XP drive. No more dual boot screen.
My System SpecsSystem Spec
27 Dec 2009   #19
Valrog

Windows 7
 
 

Hi, I recently installed Windows 7 on a PC that was previously running XP. I did a clean install and deleted Windows.old, but my Boot Manager still shows that I have Older Win System(s) and Ubuntu, and I'm wondering if deleting them from the list is the right way? I can't boot any of those, of course.

I'm just worrying if they are really gone, and are not left somewhere within my PC...

Edit: They're not on the list =/

Thank you for your help.
My System SpecsSystem Spec
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 Windows Boot Manager - Delete a Listed Operating System




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