How in the world do you get a windoze box to startup from the dang CD ?!?!?

On a mac you press "c" until the box kicks in the CD and bingo !

Is there a similar way to do this on a windows machine ????

I'm trying to fix a broken machine for a friend, she's older and barely gets by with word, so I get some homemade pie and she gets a fixed machine. A sweet deal for me, eh!

I can't get through the GUI interface, it crashes with a broken registry.

Tried the F8 thing and can't rebuild the registry as suggested with the user manual.

I'm trying to figure out how to access the main cd from the F8 option.

Is this possible?

What else can I do besides rip out all the parts, sell them seperately on e-bay or yahoo and trash the case?

any help would be appreciated.

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openoffice + gimp + sketch ...