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How To Recover Lost Disk Space After Installing SP1 For Windows 7

Posted October 28, 2010 – 5:05 pm in: Windows 7 Guides
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When you install the Service Pack 1 for Windows 7, it takes a considerable amount of disk space. Users who have moved from Vista SP1 or SP2 to Windows 7 probably know about the reclaiming disk space after the service pack installation.

 Windows 7 Drive

The same thing can be done in Windows 7 as well but with a different command to regain the lost disk space. Before you proceed to type in the command, you need to remember the point that once you have regained the disk space by entering the command, you will not be able to uninstall the service pack from your machine.

 

So, when Microsoft releases the Service Pack 1 final in the first half of 2011, you will have to perform a clean Windows 7 installation before installing the SP1.

 

We recommend you use this command only after installing the SP1 final. We also recommend creating a system restore point before entering the below mentioned command.

 

Here are the steps to regain lost disk space after installing SP1 for Windows 7:

1. Open Command Prompt with elevated rights. To do this, type CMD in Start menu search area and hit Ctrl + Shift + Enter. Click Yes for the UAC prompt.

Regain disk space after installing SP1 for Windows 7

You can also launch the Command Prompt with admin privilege by navigating to Start menu, All Programs, and then Accessories. Here, right-click on Command Prompt and select Run as administrator.

 Run as administrator

2. In the Command Prompt, type in the following command and hit Enter key. Wait for a few seconds to see “The operation completed successfully” message.

dism /online /cleanup-image /spsuperseded

Reclaim Lost Disk Space After Installing SP1 For Windows 7

Reclaim Lost Disk Space After Installing SP1 For Windows 7 step5

3. You are done!

 

We were able to recover close to 1500 MB using this method. Let us know how much disk space you have regained using this command.

Thank you Joscon for this tip.

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8 Comments

  1. Robert
    Posted October 29, 2010 at 4:51 am | Permalink

    Just a heads up. When you do that you can’t revert back unless you created the system restore point mentioned above.

  2. piggly wiggly
    Posted February 23, 2011 at 9:50 am | Permalink

    Awesome. I had lost close to 2GB space post the install. Very happy to recover it all back. Thanks.

  3. Caleb
    Posted February 23, 2011 at 8:04 pm | Permalink

    How do you do this on a 64 bit machine? I am getting a message:

    Error: 11

    You cannot service a running 64-bit operating system with a 32-bit version of DI
    SM.
    Please use the version of DISM that corresponds to your computer’s architecture.

  4. Highlag
    Posted February 26, 2011 at 2:35 pm | Permalink

    Got me 2,4G back.
    W7/64 professional
    I had no problem running dism.

  5. Yatti420
    Posted February 27, 2011 at 9:48 pm | Permalink

    Any difference in running Disk Cleanup?

  6. Jacopo
    Posted March 10, 2011 at 8:35 pm | Permalink

    From 10.6G to around 4: great!!

  7. bsulistioadi
    Posted April 5, 2011 at 1:57 am | Permalink

    Thanks! Regained approx 1.2GB

  8. Goutham
    Posted March 21, 2012 at 11:01 am | Permalink

    I get this error :(

    Error: 87

    The spsuperseded option is not recognized in this context.

    Any help, wud be gr8

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