Cant extend ubuntu partition after removing windows from dual boot

Question

I had a dual boot running on my laptop... I was running windows alongside ubuntu but as for now I don't require windows because most of my space was occupied by windows so i removed it via Gparted..i dont know why but I cant extend my ubuntu partition. I've given it 40gb before and as I deleted the windows os now and trying to extend ubuntu partition but wont let me do that. Please let me know how can I sort this out.

I've attached my partition image below.

Answer 1

You'll need to boot to a Ubuntu Live DVD/USB, or gparted Live CD, to manage your partitions. Once there, you'll want to...

Before you start, backup your important data as these operations could corrupt or loose data!

• right-click on sda7 and choose move/resize
• position the mouse pointer into the center of sda7 and move sda7 all the way left
• position the mouse pointer on the right-edge of sda7 and resize the partition to the right for as large as you wish sda7 to become
• close the move/resize window
• click the Apply icon
• if sda7 will NOT occupy all of the unallocated space, you'll need to also move sda8
  • right-click on sda8 and choose swapoff
  • right-click on sda8 and choose move/resize
  • move sda8 all the way left
  • close the move/resize window
  • click the Apply icon
  • right-click on sda8 and choose swapon