my harddisks are working just fine last nite and let my computer on thru the night. this morning when i switched on the monitor, i discovered my comp is in the middle of booting up win2000 when it hang and there's clicking sound comming from the harddisks. i restart the comp but on start up screen, the comp cannot detect both of my harddrives!! i reboot twice and the same thing happened. i shut down the comp and switched it on again, then it's working. anybody know what's goin on?? both my harddrives are ibm deskstar 120gxp ata/100 7200rpm.