It could also be a bad video cable or a loose video cable connection.
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"Richard G. Harper" <rgharper@email.com> wrote in message
news:e4jAVDa2HHA.4584@TK2MSFTNGP03.phx.gbl...
> The "No Signal" error is most likely from your monitor, telling you that it is
> no longer getting a video signal from the PC. The reason for that could be
> almost anything, from a computer that's shutting down to a faulty monitor. If
> this is a new computer, you need to return it for repair or replacement.
>
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> "UpsetinOhio" <UpsetinOhio@discussions.microsoft.com> wrote in message
> news:C34871CD-273A-4374-B4A1-7CEBDC679368@microsoft.com...
>>I will be in the middle of something and it will just go dead and a little
>> blue screen comes up and says no signal when there actually is. I have a new
>> desktop hp pavillion computer and i am using satelite internet connection. I
>> have checked internet options and they are correct to not shut down after a
>> certain period of time. I had the same kind of comp before this one for over
>> 7 yrs latest version of xp and never had this kind of trouble. Now i use the
>> microsoft vista home premium and it just shuts down for no reason. Help
>> please any kind of suggestions is welcome.
>