I connected a new Toshiba 1TB hard drive via a usb docking device. The HDD was recognised and the message "Your new hardware

[secosen]

USB hard drive recognised by Win XP but not shown in "My Computer"

 

[rgd1101]

disk management

 

[mjmacka]

Most likely, you need to format your drive or assign it a driver letter.

Right click on "My Computer" -> Click "Manage" -> Then click "Disk Management" and either assign it a drive letter or format the drive.

 

[Calvin7]

How to use the Windows XP Disk Management
http://support.microsoft.com/kb/309000