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Windows 7: how to check which USB port is v2 resp v1?

06 Jan 2012   #1
andis59

Microsoft Windows 7 Ultimate 32-bit 7601 Multiprocessor Free Service Pack 1
 
 
how to check which USB port is v2 resp v1?

I have a number of external USB Disks connected to my laptop. "Suddenly" one of the disks has slowed down radically!

I have tested the disk and it looks like it's ok, except for the speed.
The disk is: WD Ext HDD 1021 (2 TB)

My laptop is a Dell Vostra 1720 and have 5 USB ports. I was thinking that some of the port may only be USB 1.x, which would explain the lack of speed.

But how do I check this?

I attach a screen dump of Device Manager (NB! it's in Swedish)

//Anders




Attached Images
how to check which USB port is v2 resp v1?-usbdevice.png 
My System SpecsSystem Spec
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07 Jan 2012   #2
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Make sure you are using a High-Speed USB 2.0 cable.
My System SpecsSystem Spec
07 Jan 2012   #3
andis59

Microsoft Windows 7 Ultimate 32-bit 7601 Multiprocessor Free Service Pack 1
 
 

How do I see that the cable is for High-Speed 2.0?

// Anders
My System SpecsSystem Spec
.

07 Jan 2012   #4
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

how to check which USB port is v2 resp v1?-usb-2.png
Check the printing on the cable.


My System SpecsSystem Spec
09 Jan 2012   #5
andis59

Microsoft Windows 7 Ultimate 32-bit 7601 Multiprocessor Free Service Pack 1
 
 

Ok, then I haven't got one of those cables...

I found a setting in BIOS that shows startup values, e.g. connected USB disks and which USB version.

I have 5 USB ports and for 4 of them it reports that they are USB 1.1 and only 1 USB 2.0

I have tried to move the disks around and no matter which disk that is connected it's always the same USB version for the same port.

I will get a (number of) high speed cables if that can have anything to do with it.

// Anders
My System SpecsSystem Spec
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 how to check which USB port is v2 resp v1?




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