.

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    Laptop
    System Manufacturer/Model
    Asus UX51VZ-US71T
    CPU
    Intel Core i7
    Motherboard
    Asus
    Memory
    8 Gb
    Graphics Card(s)
    Nvidia 650m
    Monitor(s) Displays
    1
    Screen Resolution
    1080p
    Hard Drives
    RAID 0 256 GB Gumstick SSD drives totalling 512 GB
    Mouse
    Razer Orochi Bluetooth
    Browser
    Google Chrome
    Antivirus
    Windows Defender
The Ubuntu partition must be modified only by a utility that understands it. Windows disk manager understands only FAT16, FAT32, and NTFS and has no knowledge of Linux partitions or how they may be resized.

To make room to expand the Ubuntu partition you will likely need to shrink the Windows partition and that can only be done by Windows disk manager or some third party utility that understands it. Exactly how that is best done depends on how the partitions are arranged. Do not trust the Linux live CD to do this as it probably knows little or nothing of NTFS.
 

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System One

  • OS
    Windows 7
    Computer type
    PC/Desktop
The Linux boot media contains GParted -- which, if used to shrink Windows OS partitions, can lead to filesystem corruption.

As mentioned, use the Windows Disk Management utility for Win8.1. However, you can also use the Minitool Partition Wizard Boot CD to modify the Windows partition.
 

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The Linux boot media contains GParted -- which, if used to shrink Windows OS partitions, can lead to filesystem corruption.

As mentioned, use the Windows Disk Management utility for Win8.1. However, you can also use the Minitool Partition Wizard Boot CD to modify the Windows partition.

Right. So if he shrinks the Ubuntu partition in Ubuntu, and sets the newly created space as unallocated, he can then boot to windows and extend his partition with mini partition wizard.
 

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    Laptop
    System Manufacturer/Model
    Asus UX51VZ-US71T
    CPU
    Intel Core i7
    Motherboard
    Asus
    Memory
    8 Gb
    Graphics Card(s)
    Nvidia 650m
    Monitor(s) Displays
    1
    Screen Resolution
    1080p
    Hard Drives
    RAID 0 256 GB Gumstick SSD drives totalling 512 GB
    Mouse
    Razer Orochi Bluetooth
    Browser
    Google Chrome
    Antivirus
    Windows Defender
You have a system that uses UEFI -- thus, there is a LOT more work to do than just create an empty space.

You should go to the Ubuntu forums and open a thread about this. They will point you to stuff you will need to read about installing Ubuntu on a UEFI system.
 

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I use GParted as well... 50 gig is enough for root/boot partitions - you may just wanna move/increase home partition - but that's a Linux issue - thus, as advised, an Ubuntu forum would be best.
 

My Computer

System One

  • OS
    PC-DOS v1.0
    Computer type
    PC/Desktop
    System Manufacturer/Model
    IBM
    CPU
    Intel 8088, 4.77MHz
    Memory
    16K, 640K max
    Graphics Card(s)
    What's that?
    Sound Card
    Not quite
    Screen Resolution
    80 X 24 text
    Hard Drives
    dual 160KB 5.25-inch disk drives
Hi there

Re-sizing Linux partitions is not always straight forward -- especially on GPT drives / UEFI systems. The main problem is usually not the /home partition (if you have a separate one) but the BOOT (GRUB) which might read some of the physical geometry of the drive - re-sizing the partition leads to (sometimes) an unbootable system due to GRUB corruption.

The best solution is to look at some of the Linux Forums for help on this.

Cheers
jimbo
 

My Computer

System One

  • OS
    Linux Centos 7, W8.1, W7, W2K3 Server W10
    Computer type
    PC/Desktop
    Monitor(s) Displays
    1 X LG 40 inch TV
    Hard Drives
    SSD's * 3 (Samsung 840 series) 250 GB
    2 X 3 TB sata
    5 X 1 TB sata
    Internet Speed
    0.12 GB/s (120Mb/s)
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