There is no power showing to the external hard drive, when connected to cable the green light on the power supply lead/ black box flashes, but the drive will not start?? When you disconnect the power supply cable from the hard drive the green light on the power supply lead/ black box remains constantly on (as it always used to be when in operation).
Is this a problem with the cable/ power supply or the hard drive??
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It sounds like the controller for the drive is shot. You will probably need a new enclosure as long as the drive itself is OK that should do it. What is probably happening is that the controller in the enclosure is broken and trying to pull too much power.
yah you must buy a Y-USB cable for your external hardisk. this is connection both ends are one is for hardisk and the other two cable is for USB slot of computer. why it two wires connection to usb because one wire is for Data and the other is for Power. If doesn't work..it might be a problem in your Operating system. i recommend to you to reinstall your Windows OS.. theres a 4 reasons why it happen appear the error... deffective USB cable..corrupted driver of USB device for seagate, virus infected of your systems..and maybe your hardive is deffective. Please rate if this is HELPFUL..thanks
If your controller board for the external casing or your power supply have failed the drive can be removed from the casing and placed in a new one($30-$40), then it should work fine. If the circuit board on the hard drive or an internal circuit for the drive has failed then you may require the help of a pro.
Reply back if you need a recommendation for a pro, include your location.
The USB Isn,t supplying/providing enough Power to the device.
Search e-bay or similar for a 2 into 1 USB Cable.
Then power the unit with 2 USB Ports on the Computer.
2 x USB Into 2 x Sockets On P.C. 1 x Into Device Drive.
This will be enough power to operate the Device Correctly.
I,ve done this on several external Drives, never failed for Me.
Hi, you may want to try connecting it by USB if you're currently using firewire or the other way around and see if it works. If this fails, you are probably better off using diagnostics by Seagate @ http://www.seagate.com/ww/v/index.jsp?vgnextoid=7f4e19e0babfd010VgnVCM100000dd04090aRCRD&locale=en-US#.
Try to use the Troubleshooting or FAQ or if you feel comfortable using their utilities, download SeaTools.
Hope this be of help to you. Good luck.