WD Passport plays "melody" when connected, HDD not recognised by system

Three note “melody” made up from different frequency wheering (medium, low, high), repeated four times. Then goes into permanent light, no action and does ot show on the system as an accessible disk. On one of the laptops it shows as a device in the control panel devices, and shows as working properly, but that’s about it.

Tried on a Windows 7 and 8, two laptops and different USB ports, all to no avail. I tried to connect it to an LG TV yesterday to view photos, it never finished the connection and wonder whether that corrupted the file system/start up etc.

Help? Really need the data and if i can get it any other way than going to a recovery company that’d be great. Additional spending this Xmas would nto be good…

I have tried the Disk Management as well but it shows the Disk as Unknown, and when I try to initialise it asks for partition style, neither of which it will accept…