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#11
Hi suez,
Check whether you can access that particular partition in the external drive with Live Linux. If you can, then you can copy all data in it to another external drive/pendrive of adequate capacity.
I would recommend you go the Lucid Puppy way. Easy to download and easy to create a bootable Lucid Puppy pendrive from which you can boot into Lucid Puppy.
Download Lucid Puppy (Ubuntu Compatible Build) version 5.2.8 ISO (132.6 MB) Download latest Puppy Linux release
Create your bootable pen drive using Rufus v 1.4.10 (616KB) Backup all data on your pen drive before using Rufus since all that will be lost when Rufus formats it.
With your pendrive connected, run Rufus, check your correct pen drive is selected.
In "Create a bootable disk using" select ISO Image with the dropdown arrow. (Leave everything else to dlefault.)
Cick on the Disk icon next to it and select the Lucid Puppy ISO.
Click on Start and allow Rufus to complete writing the ISO to the pendrive.
Close Rufus.
Now connect your problem external drive and another external drive on which you want to copy the recovered files and then reboot your computer.
Use the one-time boot menu and boot from the USB pendrive.
Wait for Lucid Puppy to load and you will be in the Lucid Puppy desktop.
On how to use Lucid Puppy see Lucid Puppy way to recover files from a non-bootable computer ( Read only what is under the topic Recovering files from the non-bootable Internal Drive: - In your case it will be your inaccessible partition on your external drive
Please note that all partitions will appear as drives and you should be able to recognise them by their size.
If you can successfully recover all data, then you may try to repair your drive with File Check in MiniTools Partition Wizard or format that drive.
I have given priority to the data recovery attempt.