USB port is not recognizing External HD.

Seagate Freeagent goflex desk stac200010...
August 16, 2014 at 12:51:30
Specs: Windows 7, 8
I have 3 usb ports that do not work right, even after formatting, the problem continues. I connect the external HD to the USB port and just turn on the light, but the hd does not appear in "Computer". I heard there might be a driver issue. I've installed it on my pc windows XP, all the versions of Windows 7, Windows 8 and 8.1. And none of the external HD is recognized. He just turns on the light. I hope you can help me.

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August 16, 2014 at 15:18:42
Sounds like it's a problem with the external drive itself. Did it ever work? How many computers have you connected it to? Four?

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August 16, 2014 at 15:40:24
If it's possible to open the case on the external drive, then perhaps try opening the case and removing the drive. Then re-insert/re-install it back into the case; ensuring that it is "securely" in its connector slot. Then (without closing the case at this stage) see if it will operate correctly with whichever computers you have to hand. If it does.. then replace the cover(s)//reseal the case...; and check again.

If it still doesn't work - it is likely the drive (as Jeffiner suggests). However it "may" also be the connector on the motherboard of the drive case itself. There are some usb drive cases that have very poor record with the usb connector itself. Some of the usb sockets are poorly soldered on; some very fragile and fail almost as soon as a usb cable is inserted into it.

Either way (dodgy/faulty usb connector or duff drive) it would be a case of sending it back to seller for replacement if still under warranty; as you do not want to be repairing dodgy usb connectors; and if the drive is duff - then again it's the seller's responsibility.

A very lo-o-o-o-n-n-g shot... It "may" also be the actual usb cable you are using? Have you tried connecting the drive with other usb cables - to eliminate that possibility?

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August 16, 2014 at 15:50:38
Also, some external drives include a 'Y' connector which is intended to be plugged into two USB ports since many motherboards support only the minimum current through any USB connector so the second one is only for supplemental power. Most larger external drives often require and external power source to be plugged into an AC outlet to power the external drive.

You have to be a little bit crazy to keep you from going insane.

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August 18, 2014 at 11:42:10
I've tested it with flash drives, PSP, smarthphone, and for some reason the usb port does not recognize anything ..

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August 18, 2014 at 11:50:57
Another l-o-o-o-n-g shot... After you reformatted and re-installed the OS..., per chance did you re-install the chipset drivers too?

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August 18, 2014 at 12:37:03
Chipset drivers? They are the drivers of the motherboard or processor?

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August 18, 2014 at 12:45:19
Motherboard. As on occasion they aren't included in a OS for some motherboards - depending on age of the motherboard etc... I have had the problem where I had to manually install them - even though Windows whatever allegedly included them as part of the installation.

The motherboard's website will (hopefully) have them or enable you discover what they are and where to find/download them?

This link will explain a little more fully what chipset drivers are about:

And if you do a google trawl for - chipset drivers - you will find other useful(?) info about them...

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August 18, 2014 at 20:18:31
I went on the official website of the motherboard and found these options. Which of these options is included the missing usb drivers?

BIOS (5)

Utilities BIOS (2​​)

Audio (1)

VGA (1)

LAN (2)

Utilities (9)

SATA (1)

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