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Windows 7: Reinstalling Windows 7 from OEM drive X: partition

02 Aug 2013   #1

Windows 7 Home Premium 64 bit
Reinstalling Windows 7 from OEM drive X: partition

I have a Gateway computer which has Windows 7 64 bit installed on it. The boot drive became corrupted and I finally had to reformat partition C:. I have a system repair disk for this system but don't have any other boot disk. I found a partition X: listed on the drive which appears to be a copy of the operating system with most of the files having a .mui extension on them.
Can I recover the system from this partition and if so how?

My System SpecsSystem Spec

02 Aug 2013   #2

Windows 10 Pro X64

If you do not have a Windows 7 installation DVD, or it's not up to the Service Pack level currently installed,you can download a legal copy with SP1 integrated from here:

Windows 7 Direct Download Links

Make sure you get the same version you have, Home Premium, Pro or Ultimate and 32 or 64 bit. Note that Basic or Starter is not available.

I recommend using ImgBurn at 4X speed (or the slowest available) to create the DVD from the downloaded .iso file.

You can do this on any computer capable of burning a DVD.

YOU MUST HAVE A VALID KEY TO INSTALL THIS .ISO. The one on the COA sticker on your computer will work.

You can also create a bootable USB Flash drive (4GB or larger) to install Windows 7 from.
  1. Download and run Universal USB Installer – Easy as 1 2 3
  2. Select Windows 7 from the first drop down list, all the way to the bottom
  3. Select the downloaded Windows 7 iso file
  4. Select your USB flash drive
  5. Click Create

For techies or folks who work on computers: Create Windows 7 Universal ISO With All Editions Selection On Install with ei.cfg Removal Utility.
This will fit on a 6GB flash drive or can be burned to a DVD.
My System SpecsSystem Spec
02 Aug 2013   #3


Drive X: is normally the disk you have in the drive at the time. So you're seeing what's on it.

Everything you need is here to get a perfect Clean Reinstall - Factory OEM Windows 7.

During the booted install I'd delete all partitions and either create new as you desire or just click Next and the installer will do it for you. This is illustrated in Steps 7 and 8 in Clean Install Windows 7
My System SpecsSystem Spec

03 Aug 2013   #4

Microsoft Community Contributor Award Recipient


information   Information
We always assume you have made your Recovery Disks using the OEM manufacturer's Recovery Media Creator app the first day you had your new PC.
& made the Startup Repair CD.
startup repair disc-create

Did you make the OEM manufacturer's Recovery Disks?

Manual how to use Acer eRecovery Management here:'s%20guide/Acer%20eRecovery%20Management%20English.pdf

Have you tried pressing <Alt+F10> at boot up, to goto the Acer eRecovery Management.

Acer Support - Answers, E-Mail, Chat - How do I restore my computer using the eRecovery Management program?

You can order Microsoft official OEM Recovery disks from your OEM manufacturer's website.
You can Order Acer recovery disks from here:
Acer | Recovery Media
Check in Accessories
or check the main web site.
Acer Worldwide - Select your local country or region
My System SpecsSystem Spec

 Reinstalling Windows 7 from OEM drive X: partition

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