Question about LaCie External USB 2.0 500GB 7200 RPM 500 GB Hard Drive
I rearranged my wife's office. Unplugged everything, moved everything, plugged it all back in, and the hard drive won't turn on. Just this clicking noise with a blinking red/yellow light when I turn the LaCie on. What's going on???
Few days ago a friend of mine said that his external hard (320G Lacie with F.A.Porsche design) doesn't work anymore. When he push the power button the hard disk's motor doesn't spin up but only clicking and the LED blinking red/yellow instead shine steadily.
First of all I opened the case and took the hard disk itself. Put it in a computer like an internal disk and checked it with the program MHDD. There were no bad sectors on it so I put it again in the case but powered the disk not though the external supply and trough the PC suplly. This way when I turned on the power the disk's motor span up and when plugged the USB connector to the computer the operating system detected it and mounted it without any problems.
So I checked the values of the voltages comming from the power supply. They have to be +12V and +5V. The +5V was OK, but the other was varied from 11,2V to 11,6V. Carefully opened the power supply block and the problem was clarificationed - the two filtering capacitors for +12V were bloated. Changing them wiped out the problem and now the hard disk is working without any problems.
So keep in mind that the problems may be quite elementary.
P.S.: Sorry for the bad English ;)
Posted on Dec 19, 2011
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Posted on Jan 02, 2017
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