Help: USB Hard Disk not recognized by XP Professional!

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Guest

I have an ARCDisk, USB 2.0 20 GB Hard disk I just bought.

It's recognized by my work PC which runs XP, and by a home PC I use for work
(also XP). One is a clone and one is a Dell.

But an Alienware laptop and a different clone PC, both running XP, do not
recognize the drive. They say it's an unknown device.

Note 1: I noticed: both the work PC and the home PC used for work use a
corporate version of XP Pro. The other two which do not recognize it are
running versions that came with them when I purchased them.

Note 2: Both the Alienware and the home Clone DO recognize USB flash memory
devices and USB DVD burners.

Out of desperation I ran repair on the clone PC using a corporate version.
Still no go.

When I look at the driver associated with the HD on the ones that work, it's
USBSTOR.SYS. This file exists on the PCs that do not recognize the drive,
same date and size.

What can I do? It's gotta be an OS issue. Help!
 
More information: clone PC at home that does NOT work uses an Asus P4C800
Deluxe MB, latest FW. I noticed that when booting the BIOS DOES recognize
the Hard Disk and enumerates it.

Didn't try this with the Alienware laptop (out of laziness, really). I
figure if I can fix one I will fix the other as well :-)
 
Visit http://www.archos.com/download/drivers.html?sid=j22k2jjybysy43kbcffckc
and download the appropriate Windows XP drivers for your USB drive.

Technical Support Options
http://www.archos.com/support/support_contact.html

--
Carey Frisch
Microsoft MVP
Windows XP - Shell/User

Be Smart! Protect your PC!
http://www.microsoft.com/security/protect/

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| I have an ARCDisk, USB 2.0 20 GB Hard disk I just bought.
|
| It's recognized by my work PC which runs XP, and by a home PC I use for work
| (also XP). One is a clone and one is a Dell.
|
| But an Alienware laptop and a different clone PC, both running XP, do not
| recognize the drive. They say it's an unknown device.
|
| Note 1: I noticed: both the work PC and the home PC used for work use a
| corporate version of XP Pro. The other two which do not recognize it are
| running versions that came with them when I purchased them.
|
| Note 2: Both the Alienware and the home Clone DO recognize USB flash memory
| devices and USB DVD burners.
|
| Out of desperation I ran repair on the clone PC using a corporate version.
| Still no go.
|
| When I look at the driver associated with the HD on the ones that work, it's
| USBSTOR.SYS. This file exists on the PCs that do not recognize the drive,
| same date and size.
|
| What can I do? It's gotta be an OS issue. Help!
 
Tried that. Nothing was recognized. Also, I never installed any drivers on
the systems that WORK. They just used USBSTOR.SYS.
 
Finally figured it out. Slipped a 1.1 hub between the 2.0 port on the Clone
PC and the drive ... worked fine. Appears to have a problem w/ 2.0 ports,
despite the fact it says right on the package it supports it.

The reason the laptop did not work either: it also has 2.0 ports.
 
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