Question about Western Digital My Book Home Edition 500 GB USB Hard Drive

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My book is off and i dont how to turn off

How to turn on?

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I have bad news for you. The "My Book" series do not have on/off switches. If you do not see any lights on the front, it means one of three things:
1. Your A/C wall power supply is dead or unplugged. 2. The controller circuit card that connects to the internal drive has failed. 3. Your My Book is actually working, but is not currently connected to an active USB port.
Let's start with #3 is it is the easiest and cheapest to fix. A. Unplug the USB cable from the My Book. B. Unplug the power cord from the back of the My Book. C. Re-apply the power cord to the back of the My Book and look at the front panel to see if see any brief illumination, indicating that you have positively have power to the unit. Also, put the drive next to your ear and see if you can hear / feel the internal disk spinning. If so, that is also a good sign in the power department. The My Books can/will spin down and go into "sleep" mode if not connected to an active USB port. Verify that your USB cable is plugged into a known-good-working USB port on your computer, then re-apply the USB cable to the back of the My Book.
Still doesn't work? Ok, let's move on to #1.
To verify that the power supply works, you need a voltmeter or a digital multi-meter to verify that the voltage coming out of the power supply is valid and high-enough voltage to power the drive. If you don't know how to do this, go find a friend that understands electricity, or better yet, take the power supply to Radio Shack and they will be happy to test the power supply for you. If they prove that it doesn't work, they have universal replacement power supplies that they can sell you to solve this problem.
Power supply is working? Darn.
Either the controller card inside the My Book case is fried or the SATA drive inside is fried. The only way to solve the riddle now is to pull the My Book case apart, pull the internal drive out and put it in another USB-SATA enclosure. Again, Radio Shack or Best Buy can help you with a bare USB-SATA enclosure. Make sure you ask for one that fits a 3.5" drive.
Lastly, I'm guessing that you've already verified that the drive is no longer under warranty with Western Digital. Some of those My Books now have 5-year warranties.

Posted on May 30, 2010


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