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Windows 7: bootmgr missing. windows 7

17 Aug 2010   #1
greezw14

windows 7
 
 
bootmgr missing. windows 7

my hard drive has to partitions one is recovery. basically i was trying to make the recovery partition visible in my computer. and i made it the active partition by mistake. so all the os and booting data is on the other partition. is there any way i can change the active partition without a disk because i havnt got one. i am using 7 ultimate. thanks in advance


My System SpecsSystem Spec
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17 Aug 2010   #2
Jonathan_King

Windows 7 Professional x64
 
 

You can create a repair disc: System Repair Disc - Create

Then follow these directions: Partition - Mark as Active
My System SpecsSystem Spec
17 Aug 2010   #3
Ztruker

Windows 10 Pro X64
 
 

Curious, why do you want to make the Recovery partition visible? Doesn't seem like a good idea to me.
My System SpecsSystem Spec
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18 Aug 2010   #4
gregrocker

 

You may need to both mark Win7 active and mark Recovery Inactive using the Command Line from the Win7 DVD Repair console or Repair CD as given in the tutorial linked by Jonathan.

If it still fails to start, then boot back into Repair, click through to Recovery Tools list to run Startup Repair up to 3 separate times which should start Win7 if it alone is marked Active.

You make a partition visible by giving it a letter in Disk Management, which is strongly not recommended on SysReserved or Recovery partitions because backup may try to store things there until it becomes inoperable.

If you want to browse it to see what's there, use free Partition Wizard to rightclick>Explore.
My System SpecsSystem Spec
18 Aug 2010   #5
mw2

Windows 7 Professional
 
 

all i do i just put the windows 7 cd back in and choose fix startup problems.

then windows checks for errors and fixes them!
My System SpecsSystem Spec
18 Aug 2010   #6
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

After you mark it as active, here's a tutorial at the link below that out-lines the process.


How to Run a Startup Repair in Windows 7
My System SpecsSystem Spec
18 Aug 2010   #7
gregrocker

 

Quote   Quote: Originally Posted by mw2 View Post
all i do i just put the windows 7 cd back in and choose fix startup problems.

then windows checks for errors and fixes them!
If this is enough to get it consistently booting correctly, then fine.

Often times it isn't enough however. In the case where you marked Recovery Active, you will have to mark it InActive and mark Win7 Active again using the tutorial.

If it still won't start, the MBR needs to be repaired by again booting into the Repair CD to run Startup Repair repeatedly until Win7 starts up. And it will only repair the MBR correctly if Win7 partition is marked Active first.

At this point, if you still have Recovery marked Active and it ran a repair successfully, it is possible it moved the System MBR to Recovery which can be problematic.

Follow the steps given earlier to fix this correctly by marking Win7 Active, marking Recovery Inactive then running Startup Repair 3 times from booted Repair CD. If any problems persist then return to the CD/DVD command line to type:

DISKPART
LIST DISK
SELECT DISK 0 (confirm this is Win7 HD)
DETAIL DISK

Now post back everything it says for the partitions on the Win7 HD.
My System SpecsSystem Spec
18 Aug 2010   #8
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

I like that one Greg, thanks!

bootmgr missing. windows 7-detail-disk.jpg


My System SpecsSystem Spec
18 Aug 2010   #9
gregrocker

 

What we're looking for is which partition is System.
My System SpecsSystem Spec
18 Aug 2010   #10
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

OK, like this.

bootmgr missing. windows 7-detail-partition.jpg


My System SpecsSystem Spec
Reply

 bootmgr missing. windows 7




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