Need a little help

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Hey guys. I recently installed xp on my macbook pro, then I installed my bootcamp drivers and got this message when I rebooted: https://forums.macrumors.com/archive/index.php/t-191867.html
"the pci.sys missing or corrupt"... so I followed the directions on that thread and entered recovery mode...Everything went fine until it asked me for my password...I installed windows just a second ago and I am 100% sure it didn't prompt me to set an administrator password. So what should I do? How can I enter recovery mode?

I use a few passwords for everything, I tried those..nothing...Caps Lock...nothing!

Thank you

 

[Eraserhead]

Could you just try reinstalling XP and see if that helps?

 

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I was going to do that but I want to see if there are any other solution. I don't know if that will solve it anyway. It might just happen again