Vista RC2 x64 spontaneously turns off power (no sleep), but NO cra

Discussion in 'Windows Vista Installation' started by wj, Oct 8, 2006.

  1. wj

    wj Guest

    This is an odd problem I never saw on RC1 - all of a sudden the machine just
    turns the power off, hard. When powering on again I get the "Start Windows
    normally" prompt. This seems to occur more frequent when trying to install
    old 32-bit apps, but did occur just after a fresh install as well, with the
    stock MS driver for the ATI card and no Aero interface.

    Power management is set to max performance without any sleeping, but I've
    also tried the balanced mode with exactly the same results.

    Note also that the system sometimes runs for 8 hours+ without experiencing
    this behaviour, but sometimes it turns off a few seconds after logging in...

    What's odd is that Vista doesn't complain that it experienced an unexpected
    crash when starting in graphics mode again, and I can't see anything in the
    logs, so it seems that something just told the power supply to shut down!?

    I have even replaced the power supply without any difference and tried
    reinstalling several times, and I've never seen it happening on RC1 or on
    standard XP 32-bit on this hardware.

    Installation is done on a ECS nForce4 A939 mainboard with an Athlon64 4000+
    and 2GB RAM on a 250GB Maxtor MaxLine III SATA2 disk connected to the nForce4
    SATA2 controller. Graphics card is an ATI Radeon X800GT with 256MB of RAM on
    the PCI-E bus.

    Has anyone experienced similar things, I though that I was supposed to see a
    bluescreen at least if there was some kind of crash, but nothing... The
    system has been configured NOT to automatically reboot after a bluescreen,
    but this still happends, sp I guess that it's not a normal bluescreen crash
    I'm seeing?

    Hopefully someone can enlighten me what's going on here! Thanks in advance!

    wj, Oct 8, 2006
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