WD 2TB My Book essential random rebooting

WD 2TB My Book essential keep having random rebooting once or twice a day. It already got latest drivers pre-installed. What can the problem be?

Hello,

Contact WD and request a new power adapter just to verify if you have a power issue.  You can do so either by phone or email.

To Contact WD for Technical Support
http://support.wdc.com/contact/index.asp?lang=en