Believe it or not, unplug the AC adapter (Power Adapter) from the surge protector, and plug it directly into the wall socket.
Try this first.
1) I believe the power adapter is rated at 12 Volts DC, and 2 Amps, for the output voltage, and amperage.
(12 Volts times 2 Amps = 24 Watts.
12V X 2A = 24W)
Use a multimeter, and test the voltage coming out.
You can buy an economical multimeter for around $8 to $12. A lot of stores carry them. An auto parts store is but one place.
The plug end that plugs into the laptop, is cylindrical in shape, and has a hole in the center.
This is DC voltage you are testing.
The metal center of the plug is Positive. The outside shield surrounding the plug is Negative.
The Function Knob should be turned to DC Voltage.
(If it is a symbol, it will be a dotted line above a solid line.
NOT a curved line on a dotted line. This is for AC voltage)
If there is more than one scale, set the Function Knob to DC voltage 0-50 Volts.
The Red probe lead of the multimeter is the Positive lead.
The Black probe lead of the multimeter is the Negative lead.
AC adapter plugged into power, the Positive probe lead is inserted into the center of the plug.
Be SURE it doesn't touch the outside metal shell at any time.
The Negative probe lead is touched to the outside metal shell.
See if the voltage reads 12 Volts.
AC adapter (Power Adapter) checks out OK?
Suggest there is a problem with the small circuit board inside the MyBook.
Inside the MyBook WD500H1U-00 is an ordinary harddrive.
It is a desktop sized harddrive. 3.5 inches across in width.
(3 and a half inches, or 8.9cm)
It is a SATA harddrive.
http://www.youtube.com/watch?v=6FlySnyJ0CQInside that plastic MyBook case is also a small circuit board. An interface circuit board.
The harddrive plugs into the interface circuit board directly, or there is a cable, or cables, that plug into the harddrive from the interface circuit board.
It is this interface circuit board that goes bad most of the time.
You can remove the harddrive out of the MyBook case, and put it inside a desktop computer that uses SATA harddrives, as a Slave drive.
Retrieve your information, and burn to disk/s, or flash drive/s.
{DO NOT move any jumpers on the back of a SATA harddrive. These are for the factory ONLY}
Or you can buy an adapter that the harddrive plugs into, and it has a USB cable.
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=2583340&CatId=3770Or you can put it into a 3.5 SATA external enclosure, and use it as an external harddrive again.
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=2145406&CatId=2780For additional questions please post in a Comment.
Regards,
joecoolvette
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