Can't see Boot manager on my monitor

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Guest

I have a Gateway DL31-1 monitor. It can only do 800x600 at 60HZ and 640x480
up to 75HZ. On vista boot-up I cannot see the Boot manager with the OS
choices on RC1 5600 (scrambled video). I assume it uses a higher refresh rate
than my monitor can handle or possibly a higher resolution. I can see the
green bars after boot manager exits and the rest of the boot process though
(possibly changing refresh rates?). If I use the NO GUI BOOT option
(alternate Aurora boot-up), I cannot see anything until my desktop pops up. I
guess it uses the same refresh rate or resolution as boot manager. I've
looked in bcedit and can't seem to find a way to fix this. Any ideas? I don't
want Vista to ruin my monitor.
 
Yes , I do. I can boot to either OS during the scrambled screen by pushing
the down arrow and then enter (XP SP2) After, a cold boot this morning, I
turned the monitor on during the boot process (right at the boot manager) and
was able to see the boot screen for the first time. I am using a 4 AV input
VGA box (model "VGA-1700"). It's supoose to auto detect PAL and NTSC signals.
I am wondering if it is incorrectly detecting PAL during the boot manager now.
 
Yes , I do. I can boot to either OS during the scrambled screen by pushing
the down arrow and then enter (XP SP2) After, a cold boot this morning, I
turned the monitor on during the boot process (right at the boot manager) and
was able to see the boot screen for the first time. I am using a 4 AV input
VGA box (model "VGA-1700"). It's supoose to auto detect PAL and NTSC signals.
I am wondering if it is incorrectly detecting PAL during the boot manager now.
 
Conntected my monitor directly to computer and still have the problem so it
is not the VGA Box. According to "list all modes", my monitor supports
640x480 at 59, 70 and 73 HZ (in all color modes) and 800x600 at 60 HZ only
(in all color modes) . What resolution and HZ does boot manager use?
 
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