If your computer or laptop has a problem detecting a USBhard drive or a USB device, and another computer can detect it, then theproblem could be a RF interference problem. Try using an USB cable that is a shielded USB cable (ie. AnUSB cable that has a clear plastic covering and you can see a metallic weavewhich covers the wires) OR a USB cable that has a Ferrite core attached to theUSB cable (the ferrite core is a cylindrical object approximately 30mm long X15mm diameter and it is attached to the USB cable near the connector).
Click start control panel
administrive tools ,computer management ,device manager look through all
of your devices if you see a yellow question mark?or exclamation mark
! or red x
right click to reinstall
drivers or
if you can see your usb but
its not working
ports(com&lpt)right
click update driver
make sure the lead/s that
attach to this drive have a secure seating and are not bad/faulty the light on
only tells that its getting power it might not be getting enough power you
might test the lead/s or
just replace the cable of
the hard disk, when you plugged the external disk drive you got that
windows could recognize the USB device change the cable everything should work
fine again, sometimes the wires inside the cable will be damaged due to bending
or stretching or placing heavy equipment upon the cable,
check the USB leads that
attach to the motherboard usually red-white-green-black make sure they are
securely seated and have no dust build up on them dust will cause static and a
lot of unforeseen problems
hope this helps
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