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  1.    10 Sep 2015 #1
    Join Date : May 2015
    South Africa
    Posts : 168
    Windows 10 Pro 64-bit (build 14393)

    My hard drive


    I recently looked at Disk Management on my windows 10 and it confuses me, Ive attached a screen shot of what is there.
    Questions and observations
    The SYSTEM RESERVED bit 100mb I understand as a bit of the hard disk that the computer uses - but what for?
    As for the others bits (partitions I suppose) what are they?
    I'm assuming that C: is my hard disk but why do I have two recovery partitions and the size that they are is quite big.
    These questions came up after I realised that I was running out of storage space on my hard disk, can one of the recovery partitions be deleted - if so how. What does the recovery feature actually do?

    Nick
      My ComputerSystem Spec
  2.    10 Sep 2015 #2
    Join Date : Sep 2015
    Posts : 2
    windows 10

    Right click on the drive that you want to remove the files from. Click on format. Reformatting will remove all of the files from that drive. I removed the files from my recovery drive using that method.
      My ComputerSystem Spec
  3.    10 Sep 2015 #3
    Join Date : May 2015
    South Africa
    Posts : 168
    Windows 10 Pro 64-bit (build 14393)
    Thread Starter

    I tried that, a little apprehensive because format deletes files and I cant afford to lost stuff on this hard disk. Right clicking on either of the recovery partitions shows a button for help, when it is clicked it opens a webpage about the Overview of Disk Management.
    Last edited by Nickynoo; 10 Sep 2015 at 19:40.
      My ComputerSystem Spec
  4.    10 Sep 2015 #4
    Join Date : Jul 2015
    Posts : 9,552
    Windows 10 Pro

    Just to put things in perspective.... even if you delete both recovery partitions and expanded your C: drive to fill the space - your free space would go from 4.38% free to 4.57% free. So... I would start thinking about a bigger hard drive or doing a lot of cleaning up of what you have on C: drive that is using so much space.

    Also, only formatting the recovery partitions won't add any space to C: drive. You have to delete the partition and then extend your C: drive partition into the free space.
      My ComputerSystem Spec
  5.    10 Sep 2015 #5
    Join Date : May 2015
    South Africa
    Posts : 168
    Windows 10 Pro 64-bit (build 14393)
    Thread Starter

    Ok but why do I have 2 recovery partitions?
      My ComputerSystem Spec
  6.    10 Sep 2015 #6
    Join Date : Jul 2015
    Posts : 9,552
    Windows 10 Pro

    Quote Originally Posted by Nickynoo View Post
    Ok but why do I have 2 recovery partitions?
    One is probably from the manufacturer of the computer, and the other was probably created by Windows 10 (or some other Windows installation in the past). The 100 MB system reserved partition either does contain, or at one time contained the files required for booting.
      My ComputerSystem Spec
  7.    10 Sep 2015 #7
    Join Date : Aug 2015
    Penn's Woods
    Posts : 1,275
    Windows 10 Home

    Quote Originally Posted by Nickynoo View Post
    Ok but why do I have 2 recovery partitions?
    Did you get this Windows 10 install via an upgrade?

    I expect the 450 MB one is from prior OS and the upgrade would have carved out the 481 MB one for Win 10 from the tail end of your C: drive.
      My ComputerSystem Spec
  8.    10 Sep 2015 #8
    Join Date : May 2015
    South Africa
    Posts : 168
    Windows 10 Pro 64-bit (build 14393)
    Thread Starter

    I was on w7 pro, joined the insider programs, got builds until now, am on the slow ring. One thing confuses me the sizes of these recovery partitions (481mb and 450mb) can this space be reclaimed and if it can how? The one recovery partition was probably originally created by the manufacturer and the other by windows 10. Does this mean that my hard disk is 100mb+464mb+481mb+450mb= 1495mb in size?
      My ComputerSystem Spec
  9.    10 Sep 2015 #9
    Join Date : Aug 2015
    Penn's Woods
    Posts : 1,275
    Windows 10 Home

    Quote Originally Posted by Nickynoo View Post
    I was on w7 pro, joined the insider programs, got builds until now, am on the slow ring. One thing confuses me the sizes of these recovery partitions (481mb and 450mb) can this space be reclaimed and if it can how? The one recovery partition was probably originally created by the manufacturer and the other by windows 10. Does this mean that my hard disk is 100mb+464mb+481mb+450mb= 1495mb in size?
    You're off by a factor of 1024 on your C: drive size: 464.75 GB

    If you open an elevated (admin) cmd prompt and enter: reagentc /info , it will tell you which partition is the recovery partition being used by the active OS. I would assume the other is from prior OS and would only be needed it you rolled back the OS to the version that came from. As it is, if the 450 MB is the old one, it's not in a very convenient position to reclaim for C: drive. Again, considering that the size is roughly only 1/1024th the size of C:, is it worth it?
    Last edited by Word Man; 12 Sep 2015 at 09:21. Reason: corrected "reagent" to "reagentc"
      My ComputerSystem Spec
  10.    10 Sep 2015 #10
    Join Date : May 2015
    South Africa
    Posts : 168
    Windows 10 Pro 64-bit (build 14393)
    Thread Starter

    I'm trying to understand this, Id love to be right but I'm asking because I just don't know. The sizes in mb with the recovery partitions what do they mean? if those partitions arnt really that size why is that size in there?
      My ComputerSystem Spec

 
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