Wd my passport essential 500gb not detect and beep sound

My external hd can’t detect. Well it does detect a connected device. But it does not showing up. Also the device make some beeping sound. I still want all the item. It’s my life saving files. The device is My Passport Essential 500GB with model number WDBACY5000ABK-PESN. And I also has check the warranty is still valid. But I don’t want to loose all my files. Please help ASAP

Exactly the same problem with my 1tb Passport, computer can see it, but wont let me access it. Also making a beeping sound, very much in need of help as has many important docs and back up on it. Had the device less than a year, this should not be happening