flash drives (Drive K and G)

dear all

the os is windows xp.

i normally use a pen drive and a mobile phone (as usb).

i inserted these in two usb ports. when i click the "safely remove" button, it shows both K and G drives.
but when i tried to open my computers-> only one drive's name is shown.

when i safely removed one drive say "K", drive "G" appears on the screen.

another problem is that F drive (DVD-RAM) Disc appears where as there is no disc in F Drive.

kindly help solve my problem.

thanks

m.s.narayanan