Repair Install


  1. Cormy1
    Posts : 8
    Windows 7 Home Premium 64bit
       New #2180

    What constitutes a "slipstream" Windows 7 installation disc and why can't it be used to do a repair install?
    I created a repair ISO that I added the 4kn awareness patch to, as well as some essential USB3.0 and display drivers to in order to ensure the installation would work with my modern system. The original ISO was an SP1 Win7 installation disc, SP1 was not slipstreamed in by me.
    Will that not work? What will occur?
    If user data is moved to Windows.old and other folders, what happens to the installed programs that we are supposed to retain?
    If the system drivers for my hardware isn't preserved, can I brick my installation...?
    I also see that repair installs count as in-place upgrades, disabling the ability to ever sysprep the system in the future.
    That warning should be present in the OP.
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  3. Brink
    Posts : 72,507
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       New #2181

    Cormy1 said:
    What constitutes a "slipstream" Windows 7 installation disc and why can't it be used to do a repair install?
    I created a repair ISO that I added the 4kn awareness patch to, as well as some essential USB3.0 and display drivers to in order to ensure the installation would work with my modern system. The original ISO was an SP1 Win7 installation disc, SP1 was not slipstreamed in by me.
    Will that not work? What will occur?
    If user data is moved to Windows.old and other folders, what happens to the installed programs that we are supposed to retain?
    If the system drivers for my hardware isn't preserved, can I brick my installation...?
    I also see that repair installs count as in-place upgrades, disabling the ability to ever sysprep the system in the future.
    That warning should be present in the OP.
    Hello,

    Using slipstreamed media could result in it being like a clean install instead with nothing preserved.
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  4. Cormy1
    Posts : 8
    Windows 7 Home Premium 64bit
       New #2182

    So what constitutes slipstreamed media?
    How does Windows "know" it's slipstreamed and how does that change the behaviour?
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  5. Brink
    Posts : 72,507
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       New #2183

    Cormy1 said:
    So what constitutes slipstreamed media?
    How does Windows "know" it's slipstreamed and how does that change the behaviour?
    Usually, it will say if it's a slipstreamed version or not where you download it. Not all slipstreamed ISO files will work to do a repair install with. It either will or it won't, but you won't know until you try. It's just best not to use one.

    Any ISO officially from Microsoft will not be slipstreamed.
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  7. SIW2
    Posts : 16,395
    7 X64
       New #2184

    Slipstream Windows 7 SP1 into a Installation DVD or ISO File

    If you started with an official win7 sp1 iso and just added drivers, it will be fine.
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  8. Cormy1
    Posts : 8
    Windows 7 Home Premium 64bit
       New #2185

    SIW2 said:
    Slipstream Windows 7 SP1 into a Installation DVD or ISO File

    If you started with an official win7 sp1 iso and just added drivers, it will be fine.
    How can I identify an "official" Win7 SP1 ISO now that MS no longer distributes them? Do you have hashes for them?
    As far as I'm aware, I should have had an official Win7 SP1 ISO, I just added some updates and drivers to it myself.
    No where did it say my copies were slipstreamed where I acquired them, however adding drivers or updates is slipstreaming so I still don't see what the difference is supposed to be with a slipstreamed ISO.
    Again, what is a slipstreamed ISO? What is it about it that prevents it from working? What is Windows checking to know that it's slipstreamed?
    What exactly is slipstreamed? Are you just talking about the SP1 update being added to a non-SP1 Windows 7 ISO? How is that any different than me adding any other updates to an official SP1 ISO?
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  9. SIW2
    Posts : 16,395
    7 X64
       New #2186

    Slipstreaming generally refers to the process of installing SP1 and sysprepping. Or using something like rt7lite for the job.

    Have you done that?


    How can I identify an "official" Win7 SP1 ISO now that MS no longer distributes them? Do you have hashes for them?
    Hashes for the official iso files are easily available on tinternet

    Windows 7 Ultimate with Service Pack 1 (x64) - DVD (English)
    File Name: en_windows_7_ultimate_with_sp1_x64_dvd_u_677332.iso
    SHA1: 36AE90DEFBAD9D9539E649B193AE573B77A71C83


    Windows 7 Professional with Service Pack 1 (x64) - DVD (English)
    File Name: en_windows_7_professional_with_sp1_x64_dvd_u_676939.iso
    SHA1: 0BCFC54019EA175B1EE51F6D2B207A3D14DD2B58

    Windows 7 Home Premium with Service Pack 1 (x64) - DVD (English)
    File Name: en_windows_7_home_premium_with_sp1_x64_dvd_u_676549.iso
    SHA1: 6C9058389C1E2E5122B7C933275F963EDF1C07B9

    How to compare Windows 7 iso against original?
    Last edited by SIW2; 3 Weeks Ago at 11:07.
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  11. Cormy1
    Posts : 8
    Windows 7 Home Premium 64bit
       New #2187

    SIW2 said:
    Slipstreaming generally refers to the process of installing SP1 and sysprepping. Or using something like rt7lite for the job.

    Have you done that?
    No, I haven't had a reason to as I had SP1 ISOs. I just used DISM to add drivers and updates to the ISO that I wanted. How would such an ISO be different from a slipstreamed one?
    I have a Home Premium SP1 ISO with matching hash.
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  12. SIW2
    Posts : 16,395
    7 X64
       New #2188

    That should be ok. You will ned to rectivate after repair install, or back up the activation first Backup the activation
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