I reinstalled windows xp on my pc and now my internal backup drive does not show up.

Hi Rasta Dee, 1. Is the backup drive a separate drive on the computer?2. Are you able to see the backup drive in the “My computer” window?3. Is it a USB drive? Check if the backup drive is available in the disk management and device manager. a) Log on as administrator or as a member of the Administrators group.b) Click Start, click Run, type compmgmt.msc, and then click OK. c) In the console tree, click Disk Management. The Disk Management window appears. Your disks and volumes appear in a graphical view and list view. To customize how you view your disks and volumes in the upper and lower panes of the window, point to Top or Bottom on the View menu, and then click the view that you want to use. To open Device managera) Click Start, and then click Control Panel. Click Performance and Maintenanceb) And then click System. On the Hardware tab, click Device Manager.How to manage devices in Windows XPhttp://support.microsoft.com/kb/283658 Hope this helps!Halima S - Microsoft Support.Visit our Microsoft Answers Feedback Forum and let us know what you think.