Repair my hardisk please, help meee

please help me, my hdd is damaged … time that I use it to watch movies, then note the response by itself, after that I restarted my computer and after that hdd not detected … after that would pop up immediately in the format I did a CHKDSK / r / f G: after that would be read but can not open the folder, what should I do ??? many important and very important files … I’ve been able to read the hard drive but can not open the folder and very slow very very slow

Welcome to the Community.

Is the hard drive detected on Disk Management? Is it recognized on other computer systems? have you changed the USB cable?

Regards,