External HD crash (i think)

all the sudden Time Machine and Finder dont want 2 find my 320 GB external HD, but i see it in disc utility and sumhow it's now 2TB, any1 got any ideas on how 2 fix it b/c disk utility keeps saying error

#492997

Well, you could try formatting it (which will erase everything on the drive). If that doesn't work, I'm not sure what will.

#493001

how do i do that? b/c disk utility keeps having problems with lik everything on the external HD

#493004

is the external acting as your back up or do you have your back up at some other place?

#493041

well i had leopard, then it messed up so i archived installed 2 tiger for a week, then bak 2 leopard, and it was my bak-up on leopard the `1st time. it was starting to back-up this time then BAM it messed up. now my comp wont read it and WD site says use disk utility, which ive tried, or pay some1 to recover the data(which i dont care about.

Edit: now its givin me the spiining loading symbol wenever i do something that requires my password

#493053