sorry to hear you are having display issues.
i got a message on my tv screen saying out of range
This can happen when the signal from the GFX chip or card to the screen is weak for one reason or another.
Check the condition of the video lead, that the end connections are secure (finger tight only) and the screen
settings themselves, "how to change the screen resolution in Vista" details below;
View the "Change screen resolution" topic in Windows Help and Support on the computer's hard disk by following these steps:
Click Start, and then click Help and Support.
In the Search Help box or in the Search online Help box, type Change screen resolution, and then click Search Help.
In the list of topics, click Change screen resolution.
Click the link that best describes the problem that you are experiencing.
Follow the suggestions to troubleshoot the problem that you are experiencing.