In short, did you head to the BIOS, update and save the changes?
I removed the second hard drive from my old Dell Optiex GX240 and did a fresh install of xp pro sp3 to use as a gaming computer for some old games. On boot up I get the message "secondary hard drive 1 not detected, hit F1 to continue..."etc, etc. No problems on boot up after selecting F1. I have turned off hard drive 1 in the bios and read hours of forums but not seen any other problem like this. Not a big deal because everything works it's just a pain and I would like for my old Dell to be right. Any ideas? Perhaps updating the BIOS?

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