I am using SX-1 My HDD is damaged & I replaced it. I've downloaded os cd & burned as instructed from dev.tascam-parc.com but the cd shows 2.25 MB & Nothing happens after I click any buttons on setup screen. on windows I can open the iso image but when I open cd_image it says it's not valid. please help!!! I guess the cd_image file is corrupted. need ur help.