Keep losing Boot options

That is because XP and Vista have Different kinds of Bootloaders.
Depending on how you installed them
XP 1st then Vista x64
Vista x64 1st then XP there are many guides available to dual boot XP and Vista.
heres two of them :
dual_booting_xp_with_vista
dualbooting_vista_and_xp
 

My Computer

System One

  • CPU
    Intel Core 2 Duo T5800 @ 2.0Ghz
    Motherboard
    Intel
    Memory
    4GB
    Graphics card(s)
    Nvidia 9650M GT
    Monitor(s) Displays
    Asus N80VN-X1 Laptop
    Screen Resolution
    1280 X 800
    Hard Drives
    1 X 250GB 5200 RPM
    Internet Speed
    11 MBPS
    Other Info
    XBOX 360 Controller | Vista X64 | Simpledrive 500GB
interesting, i never had to do all that before. i was able to just install right along side and call it good. Oh well, i'll get vista back on here at some point LOL
 

My Computer

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