Vista login screen is blank (no output on monitor)

> I don't think it has anything to do with your resolutions since they don't
> take effect till the boot sequence is complete and you are not even seing
> the Windows splash screen prior to the OS being loaded.
> I think you may have an underrated power supply and your graphics card is
> not getting enough power to start creating output.
> Do you ever have the problem if you do a restart instead of shutdown and
> turn back on. If not that would be even more indication that you have an
> underrated power supply?
> Does your graphics card have a separate power connection from the power
> supply? If yes you might check to make sure it is seated tight.
>
> "gigals" <gigals@discussions.microsoft.com> wrote in message
> news:1858FC1D-C627-47E6-A934-58E64BDED7B8@microsoft.com...

> >I have an issue that is very strange: Vista has and will boot up normally,
> > showing the login screen most times, but occasionally it will boot up to a
> > blank login screen. The monitor says no video input, which makes me think
> > that the resolution may be bad. However, even if I try to boot through
> > advanced settings with low (640x480) resolution, I get this problem. I
> > don'
> > think I've changed any drivers and I know I haven't changed any hardware
> > this
> > last time that my problem as surfaced. The only thing I can think of is
> > that
> > I was running media center on my computer and I may not have closed it
> > before
> > I shut down my computer.
> > Graphics card:
> > e-GeForce 880 GTX (pci-e)
> > Has anyone else had this problem or does anyone know what I could do to
> > diagnose/solve the problem?

>
>
>

> Thanks for the response. To clarify: I am seeing the motherboard boot
> sequence and the OS splash screen that shows windows loading with a
> progress
> bar. However, the monitor loses signal when I get to the login screen, I
> only
> know I'm there because I hear the new chime from my speakers.
> My graphics card does have a separate power connection that is connected.
> I have restarted and shut down several times without problems, and a few
> times with this problem, so I can't say definitively that it happens more
> often on Restart vs Shutdown or vica versa.
>
> "JW" wrote:
>

>> I don't think it has anything to do with your resolutions since they
>> don't
>> take effect till the boot sequence is complete and you are not even seing
>> the Windows splash screen prior to the OS being loaded.
>> I think you may have an underrated power supply and your graphics card is
>> not getting enough power to start creating output.
>> Do you ever have the problem if you do a restart instead of shutdown and
>> turn back on. If not that would be even more indication that you have an
>> underrated power supply?
>> Does your graphics card have a separate power connection from the power
>> supply? If yes you might check to make sure it is seated tight.
>>
>> "gigals" <gigals@discussions.microsoft.com> wrote in message
>> news:1858FC1D-C627-47E6-A934-58E64BDED7B8@microsoft.com...

>> >I have an issue that is very strange: Vista has and will boot up
>> >normally,
>> > showing the login screen most times, but occasionally it will boot up
>> > to a
>> > blank login screen. The monitor says no video input, which makes me
>> > think
>> > that the resolution may be bad. However, even if I try to boot through
>> > advanced settings with low (640x480) resolution, I get this problem. I
>> > don'
>> > think I've changed any drivers and I know I haven't changed any
>> > hardware
>> > this
>> > last time that my problem as surfaced. The only thing I can think of is
>> > that
>> > I was running media center on my computer and I may not have closed it
>> > before
>> > I shut down my computer.
>> > Graphics card:
>> > e-GeForce 880 GTX (pci-e)
>> > Has anyone else had this problem or does anyone know what I could do to
>> > diagnose/solve the problem?

>>
>>
>>

> Ok thats a different ball game then since we know the card does work at low
> resolution but has trouble sometimes getting started at higher resolutions.
> What release of the Vista drivers are you using? The latest Vista Beta
> drivers are 101.41.
> What size is your Power Supply? And did all the hardware including the
> graphics card come with the computer?
>
> "gigals" <gigals@discussions.microsoft.com> wrote in message
> news:03355B31-AD66-4FCA-B5EC-B08AB5D6CF0E@microsoft.com...

> > Thanks for the response. To clarify: I am seeing the motherboard boot
> > sequence and the OS splash screen that shows windows loading with a
> > progress
> > bar. However, the monitor loses signal when I get to the login screen, I
> > only
> > know I'm there because I hear the new chime from my speakers.
> > My graphics card does have a separate power connection that is connected.
> > I have restarted and shut down several times without problems, and a few
> > times with this problem, so I can't say definitively that it happens more
> > often on Restart vs Shutdown or vica versa.
> >
> > "JW" wrote:
> >

> >> I don't think it has anything to do with your resolutions since they
> >> don't
> >> take effect till the boot sequence is complete and you are not even seing
> >> the Windows splash screen prior to the OS being loaded.
> >> I think you may have an underrated power supply and your graphics card is
> >> not getting enough power to start creating output.
> >> Do you ever have the problem if you do a restart instead of shutdown and
> >> turn back on. If not that would be even more indication that you have an
> >> underrated power supply?
> >> Does your graphics card have a separate power connection from the power
> >> supply? If yes you might check to make sure it is seated tight.
> >>
> >> "gigals" <gigals@discussions.microsoft.com> wrote in message
> >> news:1858FC1D-C627-47E6-A934-58E64BDED7B8@microsoft.com...
> >> >I have an issue that is very strange: Vista has and will boot up
> >> >normally,
> >> > showing the login screen most times, but occasionally it will boot up
> >> > to a
> >> > blank login screen. The monitor says no video input, which makes me
> >> > think
> >> > that the resolution may be bad. However, even if I try to boot through
> >> > advanced settings with low (640x480) resolution, I get this problem. I
> >> > don'
> >> > think I've changed any drivers and I know I haven't changed any
> >> > hardware
> >> > this
> >> > last time that my problem as surfaced. The only thing I can think of is
> >> > that
> >> > I was running media center on my computer and I may not have closed it
> >> > before
> >> > I shut down my computer.
> >> > Graphics card:
> >> > e-GeForce 880 GTX (pci-e)
> >> > Has anyone else had this problem or does anyone know what I could do to
> >> > diagnose/solve the problem?
> >>
> >>
> >>

>
>
>

> I can't recall the version number of my drivers, but as of yesterday I had
> the latest versions of all my hardware drivers when I checked on Windows
> Update.
> I am using a 500W power supply, and I built my computer myself. The hardware
> I have is:
> eVGA nForce 680i SLI motherboard,
> Intel Core 2 Duo Extreme
> e-GeForce 880 GTX
> 2 SATA (Raided) 300 GB HDD
> LiteOn DVD-R/CD-RW
>
> The graphics card requires the mobo to be connected with auxilliary power
> otherwise the computer won't enter the initial boot sequence.
>
> Again, thanks for the quick reply.
>
> "JW" wrote:
>

> > Ok thats a different ball game then since we know the card does work at low
> > resolution but has trouble sometimes getting started at higher resolutions.
> > What release of the Vista drivers are you using? The latest Vista Beta
> > drivers are 101.41.
> > What size is your Power Supply? And did all the hardware including the
> > graphics card come with the computer?
> >
> > "gigals" <gigals@discussions.microsoft.com> wrote in message
> > news:03355B31-AD66-4FCA-B5EC-B08AB5D6CF0E@microsoft.com...

> > > Thanks for the response. To clarify: I am seeing the motherboard boot
> > > sequence and the OS splash screen that shows windows loading with a
> > > progress
> > > bar. However, the monitor loses signal when I get to the login screen, I
> > > only
> > > know I'm there because I hear the new chime from my speakers.
> > > My graphics card does have a separate power connection that is connected.
> > > I have restarted and shut down several times without problems, and a few
> > > times with this problem, so I can't say definitively that it happens more
> > > often on Restart vs Shutdown or vica versa.
> > >
> > > "JW" wrote:
> > >
> > >> I don't think it has anything to do with your resolutions since they
> > >> don't
> > >> take effect till the boot sequence is complete and you are not even seing
> > >> the Windows splash screen prior to the OS being loaded.
> > >> I think you may have an underrated power supply and your graphics card is
> > >> not getting enough power to start creating output.
> > >> Do you ever have the problem if you do a restart instead of shutdown and
> > >> turn back on. If not that would be even more indication that you have an
> > >> underrated power supply?
> > >> Does your graphics card have a separate power connection from the power
> > >> supply? If yes you might check to make sure it is seated tight.
> > >>
> > >> "gigals" <gigals@discussions.microsoft.com> wrote in message
> > >> news:1858FC1D-C627-47E6-A934-58E64BDED7B8@microsoft.com...
> > >> >I have an issue that is very strange: Vista has and will boot up
> > >> >normally,
> > >> > showing the login screen most times, but occasionally it will boot up
> > >> > to a
> > >> > blank login screen. The monitor says no video input, which makes me
> > >> > think
> > >> > that the resolution may be bad. However, even if I try to boot through
> > >> > advanced settings with low (640x480) resolution, I get this problem. I
> > >> > don'
> > >> > think I've changed any drivers and I know I haven't changed any
> > >> > hardware
> > >> > this
> > >> > last time that my problem as surfaced. The only thing I can think of is
> > >> > that
> > >> > I was running media center on my computer and I may not have closed it
> > >> > before
> > >> > I shut down my computer.
> > >> > Graphics card:
> > >> > e-GeForce 880 GTX (pci-e)
> > >> > Has anyone else had this problem or does anyone know what I could do to
> > >> > diagnose/solve the problem?
> > >>
> > >>
> > >>

> >
> >
> >