windows vista MBR problem

d3aths3rver

Power User
hey guys, i customise my pc all the time and that's not a problem, I normally have a few OS's on my pc at any one time, which is fine, I know what to do, so that is no issue, but every now and again we all have a hiccup. This is mine.

When I first got my pc in late 2008 I initially installed windows xp, later on after upgrading ie SLI, 8GB of ram etc. I installed server2003 (dual-boot onto my other harddrive) and later formatted that and installed vista over the server 2003 installation.
So i had XP and Vista in a dual-boot configuration (where the MBR was on the XP HDD)
I then got a copy of windows 7 and wanted to install that. soI then backed everything up (by putting all my data on the Vista HDD) and formatted the XP drive, and installed 7.
Windows 7 is awesome, and I can access everything from the vista drive, but (and there always is a "but") because I formatted the XP drive, where the Master Boot Record was, I now cannot boot into vista.
How can I now boot back into vista guys? (without doing a clean install) - should I just do a repair on the OS with the installation disc, or is there more to it? Has anyone experienced this problem before, and how did they resolve it?
 

My Computer

System One

  • Manufacturer/Model
    Self built
    CPU
    Q9550 overclocked to 3.93Ghz
    Motherboard
    XFX 790i Ultra SLI
    Memory
    (8Gb) - 2x2GB DDR3 Corsair Dominator Ram 1600Mhz + 2x2GB DDR3 OCZ 1600Mhz
    Graphics Card(s)
    Asus GTX 280 + Gigabyte GTX 280 (SLI)
    Sound Card
    Creative Soundblaster Fatality1 TY ultra Titanium
    Monitor(s) Displays
    3x24" BenQ, 22"Viewsonic
    Screen Resolution
    1920x1200, 1920x1080, 1920x1080, 1680x1050
    Hard Drives
    2x 750Gb Samsung Spinpoint Raid 1 array
    3x 1TB Western Digital
    PSU
    Antec 1000W
    Case
    Gigabyte low end full-tower
    Cooling
    CoolerMaster V10 for CPU 7 120mm fans
    Keyboard
    Logitech Dinovo edge, dinovo mini
    Mouse
    Logitech G9, G7
    Internet Speed
    24mb/s D/L 15mb/s upload - Telstra
    Other Info
    7 Fans - 3 fans integrated 4x case cut to fit and integrated into the case.

My Computer

System One

  • Manufacturer/Model
    Dell XPS420
    CPU
    Intel Core2 Quad Q6600
    Memory
    Crucial Ballistix 4x2GB PC2 6400
    Graphics Card(s)
    NVIDIA GeForce 8600 GTS 256 MB
    Sound Card
    Creative SB X-Fi
    Monitor(s) Displays
    HP w2207 + HPvs15
    Screen Resolution
    1680x1050 + 1024x768
    Hard Drives
    2-WD5000AAKS-500 GB
    WD 5000AAV-500 GB external
    Keyboard
    Microsoft Comfort Curve
    Mouse
    MX Revolution
    Other Info
    Wacom Intuos 2 Graphics Tablet
    Experience Index=5.5
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