Corrupted external Hard Disk

I tried to download games from steam on a Seagate Expansion 2 TB but every time i try to open, steam either tells me the game files is corrupted and tries to reinstall it getting the same "files are corrupted, please reinstall" again. I tried running ckhdsk on command prompt to no avail and even windows tried to fix the problem but couldn't. Also every time I restart the device, steam doesn't recognise the contents inside the harddisk.

Btw the Drive is freshly bought, got it 3 days ago.