Dual boot problems - XP & Windows 7

By Skyfis
Jul 21, 2009
  1. I've recently installed a dual boot setup on my PC, with XP and W7 running on seperate SATA HDDs. I have some boot-up issues that I can't seem to resolve. XP has boot priority in the BIOS, and so without my intervention the PC should boot straight to XP.

    XP is on the SATA 3 position on my mobo, and W7 is SATA 1.

    Symptoms as follows:

    Firstly, I never get the BIOS screen showing the 2 opertaing systems with the countdown timer, giving me the option to boot into one or the other. The only way I get to choose is if I hit F8 to manualy go into the boot loader and choose which OS to boot.

    Sometimes the BIOS cannot 'see' the XP drive or OS. This is evident in 2 ways -1) if I allow the PC to boot without choosing an OS, Ithe XP loading screen sometimes hangs for ages, and then reboots, and goes through it again. 2) if I go into the boot loader to choose the OS, sometimes it only shows the W7 drive.

    These problems disappear if I disconnect the W7 HDD. XP will boot normally and without problem. Plugging the W7 drive back in allows things to work properly for a couple of boots - I can see and choose both OSs - but then the XP drive will disappear again.

    I really want to be able to switch between the OSs without keep opening the case to disconnect the W7 drive.

    Any ideas?

  2. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    Boot from the Windows 7 CD, then choose the repair option-startup problems. Let Windows 7 repair itself... To control the OS selections on start up, get into System, Advanced, Startup & Recovery and set the OS startup times to your liking
  3. JessicaD

    JessicaD TS Rookie Posts: 17


    Microsoft does have an official Windows 7 RC Support Forum. It is supported by product specialists as well as engineers and support teams. You may want to check the threads there for addtional support and feedback.

    Microsoft Windows Client Team
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