How do you reformat 1st op system and not lose 2nd on dual boot sys


  1. maccaslasher
    Posts : 2
    dual boot xp 32 bit and windows 7 ultimate 64 bit
       New #1

    How do you reformat 1st op system and not lose 2nd on dual boot sys


    Hi all
    I have a dual boot system, XP 32 BIT and WIN 7 ULTIMATE 64 BIT. Its been running fine for the last 8 months but xp (which was the first install) has become buggy and is in need of a reformat. I have reformatted windows 7 before and kept xp with no problems but having tried to format xp in past setups i have always lost the second operating system. Be it win7 or win vista. Any advice/help would be greatly appreciated.
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  3. Bare Foot Kid
    Posts : 22,814
    W 7 64-bit Ultimate
       New #2

    Hello maccaslasher, welcome to Seven Forums!



    Start by having a look through this tutiroal at the link below.


    Startup Repair - Run 3 Separate Times
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  4. whs
    Posts : 26,210
    Vista, Windows7, Mint Mate, Zorin, Windows 8
       New #3

    The problem you encounter is a defunct MBR after you installed XP with Win7 already present. The normal sequence is the other way around - XP first, Win7 second.

    But with the method that Bare Foot Kid posted, you can fix that.
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  6. maccaslasher
    Posts : 2
    dual boot xp 32 bit and windows 7 ultimate 64 bit
    Thread Starter
       New #4

    Many thnx. I'll look into it.
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