Xp won't recognize drive

[Jz1397-5]

i plugged my 120GB drive into my other computer (to transfer backup files). however, when i boot it up, the dirver is installed correctly, but it isn't visable in my computer, whats the deal? how can i access it?

 

[cpugeniusmv]

see if it is visible in Disk Management

Control Panel->Administrative Tools->Computer Management->Disk Management