If your drive is not recognized any more by the PC, or if she starts making rattling or sizzling sounds, then turn off the PC immediately.

Please don't try to open the drive yourself.

Dust (even invisible) damages your drive en make recovery more difficult. Also software that you can buy in the commercial circuit can damage your data.

Send the drive as fast as possible, well packed and with a traceable service, to us, together with the shipping form.