View Full Version : [ubuntu] Drive space allocation while installing ubuntu 12.10 alongside windows 8

April 16th, 2013, 05:55 PM
I have windows 8 installed. I downloaded the 64bit ubuntu 12.10 iso file, created a bootable usb and chose try ubuntu. Now I am trying to install ubuntu. I chose the 'install ubuntu alongside windows 8' option. It took me to the page where I have to move the slider to decide the disk allocation.
My 1st question: My HDD is 500 GB, but it only shows me 10 GB and 4.8GB (I suppose 10GB is windows 8 and 4.8GB is ubuntu). Why so?
My 2nd query: Why can't I move the slider? I am trying to move the slider to increase the space for ubuntu, but it won't move.

Thanks for any help.

April 16th, 2013, 06:12 PM
Is this an install of Windows 8 that you did with BIOS/MBR, or pre-installed with UEFI/gpt and secure boot issues.

Either way you should use Windows disk tools to shrink Windows and reboot a couple of times to let it run chkdsk and make its repairs to its new size. Do not create new partitions with Windows as it may convert to dynamic which does not work with Linux.

If MBR(msdos) have you used all 4 primary partitions?
Post this from live installer:

sudo parted /dev/sda unit s print

April 16th, 2013, 06:21 PM
Windows 8 is not preinstalled. My PC was preinstalled with win7 which I then upgraded to win8. I don't know whether its 'BIOS/MBR' or 'UEFI/gpt'. Althogh the usb started with UEFI (I used that option from from Boot Optiions). Secure Boot is disabled (I checked that in the BIOS).

Model: ATA WDC WD5000BPVT-7 (scsi)
Disk /dev/sda: 976773168s
Sector size (logical/physical): 512B/4096B
Partition Table: msdos

Number Start End Size Type File system Flags
1 63s 80324s 80262s primary fat16 diag
2 81920s 29044735s 28962816s primary ntfs boot
3 29044736s 976771071s 947726336s primary ntfs

April 16th, 2013, 06:45 PM
If your system has UEFI be sure to only boot in BIOS/Legacy/CSM not UEFI as you have BIOS/MBR. The partition table list shows msdos which with Windows will only boot in BIOS mode.

You should be able to shrink Windows and create a new extended partition and then inside the extended you can have many logical partitions.

If a new user the default of / (root) and swap equal to RAM in GiB (not GB) is fine. It you have lots of RAM and do not hibernate swap only needs to be 2GB, just to have some and that may never be used.

Install options, Do not use erase entire drive unless that is really what you want.
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