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    100 MB System Reserved Partition

    Discussion in 'Windows OS and Software' started by Ricky Garcia, Jan 14, 2010.

  1. Ricky Garcia

    Ricky Garcia Notebook Enthusiast

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    is it ok to delete the 100 MB system reserved partition which windows 7 created after installation? are there any effects deleting this partition?

    and if it is ok, how then can i delete if after installation?

    thanks.
     
  2. DEagleson

    DEagleson Gamer extraordinaire

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    I think the 100mb partition has something to do with how Windows 7 boot, so i would not recommend deleting it.
     
  3. surfasb

    surfasb Titles Shmm-itles

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    If you delete it, your system will not boot. This partition is what is called a system partition and contains your boot files.

    Edit:

    It is there incase you ever decide to use Bitlocker to encrypt your whole drive.
     
  4. weinter

    weinter /dev/null

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    Actually when installing you can bypass the 100MB.
    Simply after creating the partition delete the system partition and extend it from the 100MB partition then format it will be 1 Partition.
    The 100MB partition is for system repair not really required. But once you created and installed in it during setup it should stay after that.
     
  5. shakennstirred

    shakennstirred Notebook Evangelist

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    its only made on a new hdd that doesnt have any partitions to start with
    if you install win 7 on a drive that has already got a partion using the whole drive it doesnt make the 100mb partition
    i have installed win 7 a few times now and its never made the 100mb partition
     
  6. Ricky Garcia

    Ricky Garcia Notebook Enthusiast

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    but i already finish installing my windows 7...and the 100MB system partition has already been created...

    can i still delete it after installation and how?

    is it safe to delete it?
     
  7. weinter

    weinter /dev/null

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    Step to bypass creating the 100MB Partition (No Preformatting required)
    1)Create the partition the size you want Windows will automatically generate the 100MB partition.
    2)Using the remaining disk space create a empty primary partition.
    3)Delete the System Partition
    4)Extend the 100MB partition to the System partition so now you got 2 partition the one you specify in the first place and the remaining disk space partition
    5)Click on format on the partition you made, and delete the rest of the primary partition.
    You are done.
     
  8. shakennstirred

    shakennstirred Notebook Evangelist

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  9. weinter

    weinter /dev/null

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    The boot loader will be inside so you have to fix the bootloader back into the system partition using an installation disk.
    Kinda stupid in the first place why they had to made it this way...
     
  10. coolguy

    coolguy Notebook Prophet

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    This 100MB partition is for recovery purposes and Windows can be repaired without the install media. Keep it for safety.
     
  11. weinter

    weinter /dev/null

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    Don't OEM already have recovery partitions?
    How many of such partition do we need anyway?
    Waste of space if you ask me...even malware know how to damage your system files and hide in your partition such that repair won't fix it...
     
  12. shakennstirred

    shakennstirred Notebook Evangelist

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    thats not true
    its not needed if you not going to use bitlocker
     
  13. coolguy

    coolguy Notebook Prophet

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    Bitlocker + recovery files.

    This is Windows recovery, not OEM out of the box recovery parition. And 100 MB is not a waste of space.
     
  14. shakennstirred

    shakennstirred Notebook Evangelist

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    if that was the case my pc would also have said partition
    and it doesnt, so its not needed
     
  15. coolguy

    coolguy Notebook Prophet

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    Read up online more about this partition, which has advanced Windows Recovery Environment (available only in the install DVD).
     
  16. weinter

    weinter /dev/null

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    Yes it takes up 1 Primary Partition.
    In 1 harddisk you can have up to 4 bootable primary partitions.
    I don't want to create and use extended partitions.
    And it is a repair partition not recovery it is not possible for a 100MB partition to contain installation file size of more than 1GB
     
  17. Pirx

    Pirx Notebook Virtuoso

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    Why not? The days when you had to use primary partitions for anything are long gone, so, other than aesthetics, it really doesn't matter if your partition is a primary one, or a logical partition. You can boot systems from any number of partitions, so long as you have an appropriate boot manager installed.
     
  18. weinter

    weinter /dev/null

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    You got that right.
    Extended partition are a sort of dirty hack. Creating more partition out of another primary partition...Ugly ;)
    Moreover my volumes are in round numbers 100MB makes the number ugly.
     
  19. surfasb

    surfasb Titles Shmm-itles

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    So much misinformation on this thread. Even though it was answered in the first two posts.
     
  20. usapatriot

    usapatriot Notebook Nobel Laureate

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    OMG 100mb. So much space. Must delete.

    NOT. Keep it.
     
  21. shakennstirred

    shakennstirred Notebook Evangelist

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    not really
    if it was really needed we would all have it would we not?
     
  22. Ricky Garcia

    Ricky Garcia Notebook Enthusiast

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    so for those who say that it is not needed, u mean it is useless (safe to delete)?
     
  23. coolguy

    coolguy Notebook Prophet

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    You can delete it, but you have to do a lot of work to add that space to the existing partition.
     
  24. ilikepie

    ilikepie Notebook Enthusiast

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    I deleted the 100mb partition when i was installing ubuntu and windows didnt boot properly for a while. I assume it has all the bootloader and other stuff. I eventually got it to work by using the windows disk and fixing the mbr and some other stuff i dont remember. Funny thing is that i cant seem to merge the partition with my other one and now its just sitting there as unallocated space. There really isnt a need to delete it since its a pita to fix everything.
     
  25. davepermen

    davepermen Notebook Nobel Laureate

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    while the os can install without the partition, if it creates it, then it's a fixed part of the os, then. and it's a great part. imagine you're on the road (laptop forum here), and you get a bluescreen, or a powerout and the battery didn't help, or what ever. after such sudden-deaths of systems, chances are quite high that somehow the boot part of your disk got messed up (why ever..), and windows will not load anymore, or will load, but hang at the loading screen, or something like that.

    before win7, one had to have, theoretically, an os disk to be able to check for partition repartions, mbr and such. now, we have all the tools with us, in that hidden partition. it can then repair the os and get it up and running again (with some luck. if you killed important system files, it can't. it's not a full setup in 100MB :)).


    so it's there to help you when you're in need. you don't know yet if you'll ever be. but if, you'd hate yourself for having it deleted just for a) 100MB, or b) aestetics.

    b) truely is the worst i've ever heard..
     
  26. surfasb

    surfasb Titles Shmm-itles

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    The thread is about the OP, who has the partition. So the rest of the junk info about people who don't have that partition is by definition irrelevant.

    Even the OP himself is getting confused.


    PLZ PLZ PLZ DO NOT DELETE IT. We need a skywriter to get this info out to the guy.
     
  27. Kocane

    Kocane Notebook Deity

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    Dude --> no<-- is the answer.. Just let it be, its 100MB damn it.
     
  28. surfasb

    surfasb Titles Shmm-itles

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    Thank God some sense entered the thread. I just wanted to shoot everyone here at first.
     
  29. Kocane

    Kocane Notebook Deity

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    Yeah, these guys could quickly have ruined this guys Windows installation. It seems kinda obvious to me that a partition meant for SYSTEM FILES (no secret that it is system files that it contains) should never be touched. The reason why some might not have it, i dont know, but im sure that the files that gets stored on the 100MB partition, just get stored on C:\ instead then.
     
  30. surfasb

    surfasb Titles Shmm-itles

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    If you upgraded from a previous installation or had previous partitions, you don't get the 100MB system partition.
     
  31. weinter

    weinter /dev/null

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    Heh, I have the install/repair disk and I don't use bitlocker so I don't care...
    I am happier without it.