My book essential run normally but suddenly stop after one minute

I have My book essential 2TB run in win 7, my problem is when I use my drive run normally (I can see, open and copy all my files, led bliking), but after one minute its suddenly stop, power off, led off,  I check power adapter 12VDC, I try with other laptop have same problem, I try in my home and my office and also have same result,  I would really appreciate any form of help, thank you 


You should try with another Power adapter, also make sure it is plugged in directly into the wall outlet. If you have the same issue with a different power adapter plugged in directly to the wall outlet then it means you have a issue with the hard drive itself. If its still under warranty then you should have it replaced.