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solaybro

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#140766 19-Feb-2014 16:29
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Just got a new laptop today but I am already disappointed that I cant get my external HDD to connect. I have searched google and have not found a solution yet. The only time I managed to get it to connect is when I plugged it in via a powered USB hub but I need it to connect on it's own, surely the USB ports can power it on their own.

It doesn't show up in disk management but it does show up when I go into device manager > Disk Drives, but it shows as a hidden device.

Can you help me?

My laptop is the Toshiba Satellite L50-A01Q.

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robjg63
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  #990610 19-Feb-2014 16:47
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I think you have answered your own question.
The HDD needs more power than the USB ports can output.
Have you tried different ports - sometimes they have a couple of ports with more power and a couple with less.

The other thing you could try is a cable that has 2 usb plugs on one end and one on the other - you plug into 2 USB ports on the laptop an dthe other (single) end into the HDD. Dont know where you would get them from exactly...




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robjg63
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  #990613 19-Feb-2014 16:51
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http://wiki.answers.com/Q/Connecting_a_double_usb_cable_to_a_laptop

and

http://www.geekzone.co.nz/forums.asp?forumid=50&topicid=131108




Nothing is impossible for the man who doesn't have to do it himself - A. H. Weiler


solaybro

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  #990616 19-Feb-2014 16:56
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robjg63: I think you have answered your own question.
The HDD needs more power than the USB ports can output.


That's stupid, every other laptop I have ever used has been able to power external hard drives.



gzt

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  #990621 19-Feb-2014 17:00
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Also known as USB Y Cable. I assume you have tried all the ports? Every now and then specification is different for a different port group.

jonb
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  #990622 19-Feb-2014 17:06
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what model external HDD is it?

solaybro

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  #990623 19-Feb-2014 17:06
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gzt: Also known as USB Y Cable. I assume you have tried all the ports? Every now and then specification is different for a different port group.


Just tried the 2.0 port and it works but I need it to work on the 3.0 ports since it's a 3.0 hdd. Can this be fixed?

 
 
 

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gzt

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  #990627 19-Feb-2014 17:13
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Can you link to the specification page at toshiba?

gzt

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  #990631 19-Feb-2014 17:16
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Will need a link to the manual for this one. Alternatively you probably have that on disk with the machine and can find it and copy paste the usb specification.

solaybro

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  #990632 19-Feb-2014 17:17
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jonb: what model external HDD is it?


It's a seagate 1TB USB 3.0 one 

jonb
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  #990633 19-Feb-2014 17:18
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A USB 3.0 port is specified to deliver 900mA, whilst a USB 2.0 port is only specified for 500mA, so the USB 3 hub should be supplying enough power on its own.

It suggest a possible fault with the laptop?

solaybro

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  #990634 19-Feb-2014 17:18
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gzt: Can you link to the specification page at toshiba?


Here is the specification page http://www.mytoshiba.co.nz/products/computers/satellite/l50/psklna-01q00j/specifications

 
 
 

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solaybro

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  #990636 19-Feb-2014 17:23
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jonb: A USB 3.0 port is specified to deliver 900mA, whilst a USB 2.0 port is only specified for 500mA, so the USB 3 hub should be supplying enough power on its own.

It suggest a possible fault with the laptop?


I'll look to contact Toshiba then.

gzt

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  #990640 19-Feb-2014 17:29
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Are you sure you are using a USB 3.0 cable? Blue jacks in theory.

solaybro

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  #990643 19-Feb-2014 17:31
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gzt: Are you sure you are using a USB 3.0 cable? Blue jacks in theory.


Yes, I am sure. The HDD cable has a blue USB and so do the ports that I am trying to connect it to.

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  #990644 19-Feb-2014 17:32
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Any bios updates available?

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