I incidentally plugged a wrong adapter into the power... the hard drive was running but when i realized i switched it to right adapter and it is not working since then.. Could you please help or suggest a repair service center?
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If this external hard drive uses a power adapter and when it is plugged into the mains socket and you do not get a blue light or hear the hard drive spinn then most likely the power adapter is faulty and cannot supply power to the hard drive.
The hard drive needs a proper regulated power adapter for the hard drive to work. If the hard drive is a 5.25 inch drive it requires 12 volts and 5 volts power supply. If the hard drive is a 3.5 inch drive it requires a 5 volt power supply.
first of all , you are looking at the wrong voltages. The important voltage is the DC OUTPUT, which is the voltage the external harddrives use AND the polarity of the plug attached to the harddrive end of the cable.
if both the harddrives have say 12v dc output and both have the insignia of the center conductor being + (posative) then you can interchange them. and you CAN run a 9volt unit with 12volt DC power, but not the other way around.
Look at your power adaptors again for the OUTPUT and polarity.
should be a half-circle with lines depicting the polarity(+,-) of the center and sheild connections to the hard drives printed on both the harddrives and the power adaptors . This can also be tested with a dc volt meter while the adaptors are plugged into the wall.
DO NOT try to test the AC end while plugged in!!
Couple things. What model WD drive do you have? Plugging the laptop adapter into the drive chassis may have fried the chassis. You can buy a new chassis and put your drive into it, or you can buy a new power supply in case the one you have has gone bad and you did not realize it. Not likely though.
The power requirements are very specific and the laptop power supply may have been to much for the WD drive.
You need to make sure that you get a compatible power adapter for that model. Most of Acomdata external drives use a 12v adapter, but not all. If you plug the wrong voltage into the drive, you do have the possiblity of frying your external. I'd check with your manual or post back your model number so I can look that adapter up.
How do you have it connected to your PC? USB or Firewire? try plugging it in to different slots or try plugging it in on another computer to further isolate the problem. some external drives requires power adapter to work so make sure that you're using the power adapter if it comes with the device. if not, there might be something wrong with the device specially if it was working before
i own the exact same drive. i'm looking for a spare power supply, came across this website, and saw your problem. the power supply is 12 volts dc at 2 amps. the connector that gets plugged into the hard drive: center pin is power (positive) and outer "shield" is ground (negative). hope this helps.
The disk is probalby ok , it's probably just the power circuits for the USB/Firewire adapter that got fried, if need be you could liberate the disk and use directly, or you could use a different Disk adapter to connect it via USB/Firewire again.