WD my passport hard drive not showing on my computer but showing everywhere else (windows xp)

WD External Drives WD Portable Drives
2

Maybe you should try contacting WD’s Technical Support about this. You can do so either by phone or email.

To Contact WD for Technical Support
http://support.wdc.com/contact/index.asp?lang=en

Regional Support Teams per Country:

http://support.wdc.com/country/index.asp

Regards,