UEFI/GPT-based hard drive partitions default layout for windows10

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  1. Bree's Avatar
    Posts : 18,794
    10 Home x64 (20H2) (10 Pro on 2nd pc)
       #11

    Your partition layout in the screenshot for post #1 looks fine. You didn't delete the efi partition so as far as I can see should have no problems using that partition layout as it stands.

    The Dell logo instead of the Microsoft default 'blue window' at boot is hard-coded into your uefi bios and cannot be changed. I know, I've tried.
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  2. dalchina's Avatar
    Posts : 30,087
    Win 10 Pro (1903)
       #12

    The small Windows recovery oddly designated OEM is not necessary for normal operation. I have read a comment that its absence has significance for the most appropriate creation of Macrium Reflect bootable medium. (We strongly recommend disk imaging be used- e,g MR).

    Deleting it eliminates automatic repair and advanced boot options. If you delete it you should have a bootable medium to hand just in case - e.g. Win 10 or from Kyhi's iso, available from the top of the Software and Apps section here.
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  3. Posts : 18
    Windows 10
    Thread Starter
       #13

    dalchina said:
    The small Windows recovery oddly designated OEM is not necessary for normal operation. I have read a comment that its absence has significance for the most appropriate creation of Macrium Reflect bootable medium. (We strongly recommend disk imaging be used- e,g MR).

    Deleting it eliminates automatic repair and advanced boot options. If you delete it you should have a bootable medium to hand just in case - e.g. Win 10 or from Kyhi's iso, available from the top of the Software and Apps section here.
    Well, i haven't understood the whole of the message . But i wanted to ask just one thing niw that when i will plan for the next clean install(using windows10bootable media) because of any performance issues or any issue, what partitions should i delete and what should i keep? This will give some answer to my question.
    Thanks
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  4. dalchina's Avatar
    Posts : 30,087
    Win 10 Pro (1903)
       #14

    Just leave all the partitions Windows creates. The ones you seem worried about are quite small. Why fiddle unnecessarily?
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  5. Posts : 18
    Windows 10
    Thread Starter
       #15

    dalchina said:
    Just leave all the partitions Windows creates. The ones you seem worried about are quite small. Why fiddle unnecessarily?
    So i Don't delete those two partition and rest (C,D and F) i can delete.
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  6. dalchina's Avatar
    Posts : 30,087
    Win 10 Pro (1903)
       #16

    Long version:
    If you are clean installing Win 10 you must delete all the partitions that are part of the OS (typically 4 for UEFI). This is prompted as part of the installation process and shown in the relevant tutorial.

    You can leave any partitions that are NOT part of the OS - data only- if you wish.

    You talk about deleting C:
    The only case would be if you were clean installing (see above).
    Deleting C: after you had installed Win 10, where C: refers to the partition containing Windows, would of course delete Windows and all programs installed (except where programs had been installed to another partition, when only part of such programs would remain in that partition.
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  7. Posts : 18
    Windows 10
    Thread Starter
       #17

    dalchina said:
    Long version:
    If you are clean installing Win 10 you must delete all the partitions that are part of the OS (typically 4 for UEFI). This is prompted as part of the installation process and shown in the relevant tutorial.

    You can leave any partitions that are NOT part of the OS - data only- if you wish.

    You talk about deleting C:
    The only case would be if you were clean installing (see above).
    Deleting C: after you had installed Win 10, where C: refers to the partition containing Windows, would of course delete Windows and all programs installed (except where programs had been installed to another partition, when only part of such programs would remain in that partition.
    Thanks
    I found my answer to the question. It really helped me lot. Btw what are those 4 partitions that we should delete for perfect clean install? Efi, C(os) and????
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  8. dalchina's Avatar
    Posts : 30,087
    Win 10 Pro (1903)
       #18
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  9. Posts : 18
    Windows 10
    Thread Starter
       #19

    Nice tutorial.

    Helped me a lot.
    Btw what's OOBE?
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  10. dalchina's Avatar
    Posts : 30,087
    Win 10 Pro (1903)
       #20

    Yes, Brink has written hundreds- worth checking the Tutorial section if you need more.

    Do a Google search on OOBE... you should find out then..
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