Why did my Nook reset back to factory settings?

I was given a mac os 9.2, and I want to know how can I reset it back to its original factory settings without the cd?

The ring back is what people who are calling you hear. Instead of the regular ring noise I would like to put a song on instead.

if lock code is forgotten and DEFAULT LOCK not working and all reset codes are not working :S ?

I have upgraded this phone and I would like to sell it with out all of the personal info attached. Can you do a global reset ...

My keyboard on my laptop has UK as its default setting which is kind of annoying since the keyboard layout is US. I can go in...

ok I figured out how to set the days back but the problem now is when I start the computer is goes to my screen but then come...

AOL does not show my favorites. How to get them back?

What do I have to do to change the parental settings on my computer so I can set up another email account? How do I change it?

my ip network provider do not unlock the ip for me, so i tried many factory unlockers but none worked. pls anyone help me? i ...

ok im not sure how to do it but i know theres this thing where you can like reset your computer back to a certian date..so ev...