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Windows 7: 100 mb partition deleted. need it back

20 Apr 2012   #1

Windows 7 Home Premium 64bit
100 mb partition deleted. need it back

I deleted the 100 mb partition for Windows 7 yesterday because you're not allowed more than 4 partitions at one time when installing linux. So i didn't think i needed it. I deleted it realizing soon after than i required it for booting. I have a laptop so i didnt receive a Windows installation disk to correct this quickly, i have recovery disks that will work, but i don't want to have to go through updating and downloading so much again. I was curious if there was anyway i could fix this without formatting my hard drive. Like if i could download that partition from somewhere or the windows installation disk. thanks

My System SpecsSystem Spec
20 Apr 2012   #2

Linux CENTOS 7 / various Windows OS'es and servers

Hi there.

"Nullo Problemo".

Just boot up your repair disk and go into "Repair System" when you get the start up options.

You'll need either your install disk or a recovery disk. (Both can be booted from a USB).
You'll also need to set your current partition as "Active". Use Gparted or partition wizard from a bootable recovery medium to set this.

(You'll need another bootable drive (CD / DVD / USB etc.) to boot to set this but GPARTED etc. can create bootable media for this sort of stuff).

My System SpecsSystem Spec
20 Apr 2012   #3
Microsoft MVP


You can only have four Primary partitions or three Primary and unlimited Logical partitions. Linux can be installed to a Logical partition.

To restore the System Reserved partition, create a Primary NTFS partition there with no letter, mark it Active, then run Startup Repair - Run 3 Separate Times. You can download the official Win7 installer ISO to burn to DVD using ImgBurn or use a System Repair Disc.

Everything you need including the installer ISO and tools to burn it to DVD/Flash stick, and if necessary Clean Reinstall - Factory OEM Windows 7 is in the blue link.

Also here is the easiest way to Dual boot Ubuntu-Win7
My System SpecsSystem Spec


 100 mb partition deleted. need it back

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