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Windows 7: forgot to format during clean install

02 Dec 2009   #1

windows 7
 
 
forgot to format during clean install

i forgot to format during the clean install. i really wanted to since i have a lot of games i dont play anymore. i can see that windows.old exists in c drive. i dont want to reinstall, but i want the files to be as small as possible. would they be a lot smaller if i formatted? i have something like 150gb of stuff on my computer.

My System SpecsSystem Spec
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02 Dec 2009   #2

W7 RTM Ultimate x64
 
 

Hello and welcome to the forums.

Which files are you talking about to be as small as possible?

If you got all the files you need frmo the Windows.old folder, you can delete it.
My System SpecsSystem Spec
02 Dec 2009   #3

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by tomvan View Post
i forgot to format during the clean install. i really wanted to since i have a lot of games i dont play anymore. i can see that windows.old exists in c drive. i dont want to reinstall, but i want the files to be as small as possible. would they be a lot smaller if i formatted? i have something like 150gb of stuff on my computer.

Hi Tom and Welcome

OK are you completely finished with the transfer of files and settings? If you are you can delete it. It should save you a ton of space. Still wont be a "clean" install but better than now.

Let us know if we can help


Ken J+
My System SpecsSystem Spec
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02 Dec 2009   #4

Windows 8.1 Pro (x64)
 
 

Formatting the HDD before installation is not required to get a "clean" installation. The previous installation wont be interfering with the new installation like an upgrade would. It only takes additional HDD space.
My System SpecsSystem Spec
02 Dec 2009   #5

Windows 7 x64
 
 

Quote   Quote: Originally Posted by logicearth View Post
Formatting the HDD before installation is not required to get a "clean" installation. The previous installation wont be interfering with the new installation like an upgrade would. It only takes additional HDD space.
I agree. I know the registry is clean after a normal custom install. If that is not enough to be a clean install, maybe some standard could be stated to see if it is actually done or not.

Beside the Windows.old file, there are a few hidden system files that are almost as large as the windows.old file. They start with $Windows and can be seen if you set the folder view to see such files.
My System SpecsSystem Spec
03 Dec 2009   #6
Microsoft MVP

 

Just delete the windows.old folder using Disk Cleanup, after you are sure you have all of your wanted files out of it.

Next time boot from the installer to get Custom>Advanced drive tools to format.
My System SpecsSystem Spec
07 Dec 2009   #7

windows 7
 
 

thanks
My System SpecsSystem Spec
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 forgot to format during clean install




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