[access-uk] Re: USB connectivity

Hi George, Barry, and anybody else that has or can help.

Here's an update on my friends problem installing a Western Digital USB portable drive to his XP machine.

When first connected, the 'found new hardware' wizard launches, searches for and seems to find the required software, and does seem to actually install, but after clicking on finish, a message pops up saying an error occurred during the installation, and the installed device may not function properly. It doesn't give any clues as to what the error is!

So, although it appears to have installed, the drive isn't showing up under My Computer, although when we look under 'serial bus controllers' under Device Manager, it is there called 'external hardware device.'

His machine has service pack 3 installed, so the driver software should be up to date, and like I said, I don't think this is the problem, as it does say finished installing, but then produces that error message.

We did try the drive with a Vista laptop, and it installed ok, so can anybody suggest why it isn't showing up on my friend's machine?

Thanks for any help -

Andy
----- Original Message ----- From: "George Bell" <george@xxxxxxxxxxxxxxxxxxx>
To: <access-uk@xxxxxxxxxxxxx>
Sent: Friday, July 30, 2010 10:47 AM
Subject: [access-uk] Re: USB connectivity


Hi Andy,

Here is an FAQ from Western Digital's web page.  I think this pretty
well sums it all up.  It should work.

George.

Using USB 2.0 drives with USB 1.1 controllers or hubs

 Question
 Can I use my USB 2.0 drive on USB 1.1 controllers or hubs?

 Answer
 USB 2.0 drives can be connected to USB 1.1 controllers or hubs.
However, they will only run at USB 1.1 rates. To expand USB 2.0 host
ports to support more devices, be sure to use a USB 2.0 compliant hub.
A USB 1.1 hub can only function at slower USB 1.1 speeds. A USB 2.0
hub will allow USB 1.1 devices to run at USB 1.1 rates while USB 2.0
devices, such as WD drives, will operate at USB 2.0 speeds.

Note 1: USB 2.0 hubs will not improve the performance of USB 1.1
devices.
Note 2: WD recommends against using a USB 3.0 drive on a USB 1.1 hub,
switch, or controller.



-----Original Message-----
From: access-uk@xxxxxxxxxxxxx [mailto:access-uk@xxxxxxxxxxxxx] On
Behalf Of ANDY COLLINS
Sent: 30 July 2010 10:26
To: access-uk@xxxxxxxxxxxxx
Subject: [access-uk] Re: USB connectivity

Hi George - You asked for the make of the drive my friend bought, it's
the
WD Elements 25g portable drive, 2.0 USB; that's all he could tell me;
not
sure that Western Digital have the best reputation, but should be ok
wouldn't you say?

Andy
----- Original Message ----- From: "George Bell" <george@xxxxxxxxxxxxxxxxxxx>
To: <access-uk@xxxxxxxxxxxxx>
Sent: Tuesday, July 27, 2010 7:47 AM
Subject: [access-uk] Re: USB connectivity


Hi Andy,

Best way is to find out the make and model of the drive, and we'll
look up the technical specs for it.

Take a look at FAQ 8 at http://www.everythingusb.com/usb2/faq.htm
which explains that, "You may have heard that USB 2.0 is
"backward-compatible" with USB 1.0/1.1 (Full-Speed USB). While
that's
true, USB 1.1 is also forward-compatible with USB 2.0."

I suspect that he may perhaps need to go into Control Panel,
Administration, Computer Management, Storage, Disk Management, and
partition and format the drive.

The other thing to check is the XP Service release installed.  Right
click on My Computer and select Properties.  It should tell you in
that dialog. He should ideally be on at least XP SP3 which should
provide more up to date USB drivers.

George.

-----Original Message-----
From: access-uk@xxxxxxxxxxxxx [mailto:access-uk@xxxxxxxxxxxxx] On
Behalf Of ANDY COLLINS
Sent: 26 July 2010 23:50
To: access-uk@xxxxxxxxxxxxx
Subject: [access-uk] Re: USB connectivity

Hi George - have to say, this is what I thought to be the case. I'm
trying to help a friend, who is running an oldish XP machine,
probably
with 1.1 USB ports, but not sure yet, cos don't know where to look
in
control panel for confirmation? He's bought an external HD, plugged
it
in, but it won't play.
Firstly he got an error warning saying that the software was
untested
and to continue with the installation might cause damage; assuming
this was the usual Microsoft scare mongering, he continued anyway,
but
apparently, the drive isn't showing up in My Computer.

Any observations?

Thanks -

Andy
----- Original Message -----
From: "George Bell" <george@xxxxxxxxxxxxxxxxxxx>
To: <access-uk@xxxxxxxxxxxxx>
Sent: Monday, July 26, 2010 11:39 PM
Subject: [access-uk] Re: USB connectivity


I hate to disagree, Chris, but you can usually connect USB 2 devices
to a type 1 port, but will only get USB 1 speed.

George.

-----Original Message-----
From: access-uk@xxxxxxxxxxxxx [mailto:access-uk@xxxxxxxxxxxxx] On
Behalf Of chris hallsworth
Sent: 26 July 2010 23:04
To: access-uk@xxxxxxxxxxxxx
Subject: [access-uk] Re: USB connectivity

No. However a USB 1.1 device will work on a USB 2.0 port. They are
backwards compatible. But not the other way round.


Signed by Chris Hallsworth
E-mail and Facebook: christopherh40@xxxxxxxxxxxxxx
MSN: ch9675@xxxxxxxxxxx
Skype: chrishallsworth7266
Twitter: http://twitter.com/christopherh40

On 26/07/2010 22:58, ANDY COLLINS wrote:
Hi all -

Will a high-speed 2.1 USB external hard drive run on an XP
computer
whose ports are the old 1.1 speed? -

Andy
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