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Windows 7: Accidentally deleted 129mb System Reserve on second hard drive

19 Feb 2012   #1

Windows 7 Professional 64 bit
Accidentally deleted 129mb System Reserve on second hard drive

I had to do a fresh install on my primary due to explorer crash issues. I have a secondary drive which was my backup for all of my pictures and music. During the reinstall of Windows 7 64bit Professional I accidentally deleted the 129mb System Reserve on the second hard drive thinking it was for thge primary drive. Now explorer does not show the secondary hard drive, although it shows up in Disk Management. Is there any way to restore or recreate that System Reserve section without having to refomat the entire hard drive and loose all of my data??

My System SpecsSystem Spec
19 Feb 2012   #2

64-bit Windows 10 Pro

Hello Borne, and welcome to Seven Forums.

You might be able to pick up at step 7 in OPTION FOUR of the tutorial below to hopefully restore the System Reserve partition. Just do not format or delete it again. If you do, you may not be able to restore it.

Convert a Dynamic Disk to a Basic Disk

Hope this helps,
My System SpecsSystem Spec
20 Feb 2012   #3
Microsoft MVP


Do you know why there was a System Reserved partition on the secondary HD which you say you use for data?

Deleting it should not affect access to the data at all.

Please post back a screenshot of your maximized Disk management drive map with listings, using Snipping Tool in Start Menu.

You can rescue data that is stranded using the Win7 DVD or System Repair Disk: Copy & Paste - in Windows Recovery Console to external or the primary HD. Or use Paragon rescue disk; recover data.

Then wipe the HD to clear possible boot sector code with Diskpart Clean Command , repartition in Disk Mgmt.
My System SpecsSystem Spec

20 Feb 2012   #4

Windows 7 Professional 64 bit

Thanks a lot guys!! Ultimately I wound up using a minitool software to locate the files. My marriage is saved!! I really appreciate the help.
My System SpecsSystem Spec
20 Feb 2012   #5

64-bit Windows 10 Pro

You're most welcome. I'm glad that we could help save you from having to live in the dog house.
My System SpecsSystem Spec

 Accidentally deleted 129mb System Reserve on second hard drive

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