Cai dat WinXP va 2K

Cac Bac lam on giai thich cho em cai hien tuong cu chuoi nay.KHi em co mot ban WInXP roi ,bay gio em cai them 2K nua ,nhung khi cai dat xong 2K thi ko the nao ma vao lai XP duoc ,mac du trong file boot.ini van co duong dan toi WInXP dang hoang(va khi khoi dong ,van co menu cho minh chon lua ,nhung neu chon XP thi khong working )..
EM giai quyet bang cach ,Nhet CD winXP vao ,va bat dau qua trinh cai dat lai ,nhung trong qua trinh do thi luc restart ..thi em khong chon cai dang cai dat nua ,ma em chon vao cai XP da co san ..luc nay thi XP co san lai chay OK nhu cu...(em da xem file boot.ini thi trong 2 truong hop ,thi khong co su khac biet nao ve duong dan) vay hien tuong nay la sao..
Khi cai dat 2K thi no da thay doi file he thong gi cua XP? va khi cai lai XP ma file he thong do lai duoc hoi phuc lai...
Cac Daica chi giup em nha..


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