My passport not copy files

Good day, I have my passport wdbacx7500ard-01
bought less than two years ago, used only for backup!
use around 3x per year!
Earlier this month, transferring some files and I noticed that sometimes the HD crashed but the led still blinking without stopping!
so then he simply worked when wanted, until this moment not transferred nor run any file contained in it.
both my main pc as well as on my asus transformer!
all PC are updated and how the disk drivers!
all files appear in windows explorer
so I can not access or copy out the HD

Hello,

Try basic troubleshooting on the drive.

Try a different cable.

Test the drive using the WD DLG Tool from the link below.

How to test a drive for problems using Data Lifeguard Diagnostics for Windows

thank you,
I’ve used 3 different cables and different pc and different USB outputs, such as 2.0 or 3.0
another USB HD I have, usually works!

life guard installed, the HD does not appear in the first frame, only the second and logical disk!

open the explorer and HD appear, so I can not access any file.

placing his hand on the HD feel it running without stopping

sometimes the HD does not appear in explorer and others he appears showing folders, but the files disappear or are not accessible.