Windows 8 and 8.1 Forums


please help me to understand this dialogue box

  1. #1


    Posts : 70
    windows 8 pro 64-bits

    please help me to understand this dialogue box


    Click image for larger version
    my motto is to make new drive for dual boot installation, as i shrinked volume E and then new unallocated drive is created . i did right click and clicked in new volume and next and next then at last following box appeared which was very tough to understand me....what it mean......or should i leave that unallocated drive as it to install windows 8 ,as dual boot, please help

      My System SpecsSystem Spec

  2. #2



    The Contemplator
    (1963-2013)
    Doncaster, UK
    Posts : 638
    Windows 8.1 Pro RTM x64


    A Basic Disk, whether it is HDD or SSD, can only have a maximum of 4 primary partitions. If you try to create a new primary partition, the above message will appear.
      My System SpecsSystem Spec

  3. #3


    Posts : 740
    Windows 8.1


    Can you post a screenshot of your current Disk Management setup, and what precisely are you trying to do and why?
      My System SpecsSystem Spec

  4. #4


    Posts : 70
    windows 8 pro 64-bits


    futurdreamz...............thanks for the response....in fact i want to install windows 7 and win 8 in my pc , cause windows 8 i like and windows 7 comsumes less battety of my laptop.so i want to install both. i read some tutorial and tutorial said that i have to creat another disk F and created as they said. it was named unallocated and i right clicked on that new drive and next and next then a formate option appeared and i formated and at last when i click finished then the dialogue box that posted above appeared. this is the whole story,

    my question is should i rename the unallocated disk or i can leave as it is and re install windows 8 in this disk?or what is the process please tell me. how to install windows 7 and windows 8 both by keeping all disk in basic mode not dynamic. please help me


    the disk management i have posted belowClick image for larger versionClick image for larger versionClick image for larger versionClick image for larger versionClick image for larger version
    these are all steps i did . hope u will understand and suggest me .
      My System SpecsSystem Spec

  5. #5


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    You can extent E: in to the unallocated space.
    Partition or Volume - Extend - Windows 7 Forums
    Than move DATA from D: & install Windows 8 there.
      My System SpecsSystem Spec

  6. #6


    Posts : 70
    windows 8 pro 64-bits


    please help
      My System SpecsSystem Spec

  7. #7


    Posts : 740
    Windows 8.1


    Most computers use what's called MBR, which is a small file at the beginning of the disk that describes the partition layout.
    Unfortunately, MBR can only support up to four partitions. Your best bet is to follow theog's advice and merge D: and E: by copying all of E:'s data to D: then you can delete E: and extend D:
    then you can create a proper fourth partition.

    if you really want to, you can probably delete that 100MB partition. but it contains very important files needed to start your computer, so you have to follow a bunch of steps to move them onto C:

    I would recommend shrinking the new D: partition to give you at least 60GB for the new Windows 8 partition.
      My System SpecsSystem Spec

  8. #8


    Posts : 70
    windows 8 pro 64-bits


    you mean i have to transfer the datas of drive D in to unallocated drive.? why so? cant i unstall into unallocated drive F?what if i install in drive F? NOT CLEAR.
      My System SpecsSystem Spec

  9. #9


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    Quote Originally Posted by theog View Post
    You can extent E: in to the unallocated space.
    Partition or Volume - Extend - Windows 7 Forums
    Than move DATA from D: & install Windows 8 there.
    Quote Originally Posted by dare2winnn View Post
    you mean i have to transfer the datas of drive D in to unallocated drive.? why so? cant i unstall into unallocated drive F?what if i install in drive F? NOT CLEAR.
    NO.
    Extent E: in to the unallocated space. making a partition size of 183.65
    Than Move DATA from D: to E:
      My System SpecsSystem Spec

  10. #10


    Posts : 740
    Windows 8.1


    Quote Originally Posted by dare2winnn View Post
    you mean i have to transfer the datas of drive D in to unallocated drive.? why so? cant i unstall into unallocated drive F?what if i install in drive F? NOT CLEAR.
    because technically "unallocated" isn't a drive, it's free space that hasn't been formatted for use, and isn't actually a partiton (drive). Partitions are needed to allow the operating system to find files in a reasonable timeframe. It is technically possible to place files outside a partiton, but then the system would have no way of finding the files except to scan the entire disk surface looking for it.

    You can create another partition there, but since the MBR can only recognize four partitions at the time, it does something fudgy. i'm not exactly sure how to explain it, but this fudge cannot be recognized by by your computer directly; only by an operating system. Which would be fine except you can't boot from that drive.
      My System SpecsSystem Spec

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please help me to understand this dialogue box
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