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External Hard drive will not stay connected

Posted on 2014-02-09
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Last Modified: 2014-08-09
External hard drive will not stay connected to a windows 7 computer.  The drive is a seagate external and it will will connect to the PC, but after  a few minutes it stops communicating to the PC.  Any suggestions are appreciated.
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Question by:MariettaMIS
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4 Comments
 
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Expert Comment

by:Surrano
ID: 39846649
Is this behaviour specific to
- that single PC and that single drive?
- at least two PCs (one win7, one other) with same drive?
- at least two win7 PCs with same drive?
- that single PC with at least two external drives (same or different brand/model)?

Does it happen during active operation or after a few minutes of idle time?
Did you try other USB sockets of the same PC?
If it's a notebook, did you try on AC power and on battery power? With/without docking station?

Normally, drive should not be disconnected if in active use.
It should stay connected even if inactive but based on the exact model of the drive (or the drive case) it may have a function to poweroff or go to standby if no signal received through USB for some time.
If it happened then I'd say that it's the windows driver that should send some keepalive signal but doesn't => a windows bug
But the most likely explanation is that some HW component is dying:
- the USB controller (usually integrated on mainboard, i.e. the mainboard)
- the USB socket (e.g. a soldering failure)
- the USB cable
- the drive case
- the cabling within the case
- the power supply of the case
- the drive itself
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Accepted Solution

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MariettaMIS earned 0 total points
ID: 40239849
The issue was related to a fried port.
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LVL 8

Expert Comment

by:Surrano
ID: 40242823
Funny that I mentioned this same option half a year ago:
Did you try other USB sockets of the same PC?
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Author Closing Comment

by:MariettaMIS
ID: 40250407
using a different port solved the issue.
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