USB external drive doesnt work

My USB external HDD isnot displayed,but computer registers it.
WD says:
Test Option: QUICK TEST
Model Number: ST1000LM024 HN-M101MBB
Unit Serial Number: [Deleted - Privacy]
Firmware Number: 2AR10002
Capacity: 1000.20 GB
SMART Status: PASS
Test Result: FAIL
Test Error Code: 06-Quick Test on drive 2 did not complete! Status code = 07 (Failed read test element), Failure Checkpoint = 00 (Unknown Test) SMART self-test did not complete on drive 2!
Test Time: 19:33:48, June 30, 2015
Test Option: EXTENDED TEST
Model Number: ST1000LM024 HN-M101MBB
Unit Serial Number: [Deleted - Privacy]
Firmware Number: 2AR10002
Capacity: 1000.20 GB
SMART Status: PASS
Test Result: FAIL
Test Error Code: 08-Too many bad sectors detected.
Test Time: 19:43:09, June 30, 2015
please advice, can i save data? Thx.

Welcome to the WD Community.
Those results are for a samsung drive.
We don't have many information about third party drives.
As far as I can see, that unit is experiencing a bad sectors issue.

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