Good day! Thanks for the responses, folks.
bthylafh : No, it's not there..
notfred : Thanks, I tried the suggestion in your link. Automount is enabled. But still no go.
bryanl : Sorry, it doesn't appear there.
sironomus : Yup, that's also what notfred suggested. The boxes are checked. No go..
justbrewit : Fresh install. Reformatted hard disk from Windows XP.
Update : I reinstalled Ubuntu 10.10 again, and this time the USB drive is mounted. Thing is, when I 'safely remove' the drive, i always end up doing it twice because Ubuntu will not dismount the drive the first time I do it. Fed up, I just went back to Ubuntu 10.04. It works well enough anyway. No time to look for solutions. It's just sad that Ubuntu always has lots of bugs.
Thanks for all your help, fellas. Have a good holy week.
I just realized that my AMD FX-8350 is more powerful than all of my former desktop CPUs combined, from my last Phenom II X4 925 all the way to my ancient NEC V20. And the NEC V20 was probably more expensive if you count inflation. I'm utterly speechless.