WD my passport ultra making a clicking sound

My wd 1TB hard disk is making a clicking sound when i connect it to the usb port but after some time the sound stops.It gets recognised by the pc some time and some time not.When it is recognised it shows parameter is incorrect .Please tell me what to do.Its urgent…

First, you should diagnose the health of My Passport using WD Drive Utility. Run Smart Test and Complete Drive test to check the health of drive and immediately take a backup if drive fails in test.