Error writing in external hard drive

[MyhomesVN]

Hi there guys

So I'm having a problems with the permissions of my external drive, when I try to drag any documents it give the error "You do not have permissions to write to this folder". I tried to use the line bellow but is still not working any help with this?

chmod -R u+rw /media/Backups

Additional data I've formatted drive with ntfs and is a simple thosiba HDD 4TB

Thanks

[Whoever]

A couple of thoughts:

1. Why ntfs? Why not use EXT4?

2. This question/answer appears to discuss similar issues:
https://askubuntu.com/questions/11840/h ... -partition
and the linked question:
https://askubuntu.com/questions/92863/m ... 223#517223