I have a 15'' monitor. I recently installed Windows 7 and whenever I try to open it in normal mode, the screen goes black and I get the "Out of Scan Range/Resolution > XGA" message.
I tried going into safe mode and setting the display resolution to 800x600 and 1024x768, saved it, but the screen still goes black if I try to open Windows 7 in normal mode. Do I need a larger monitor, or is there another way to go about this?
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Do you have a CRT or LCD monitor? If it's a CRT, then you have to check your refresh rate as well as your resolution. If it's an LCD, make sure it's set to 60Hz.
If you're changing the resolution in Safe Mode and it's not carrying over to normal mode, either force boot Windows in VGA mode (I think the option still exists on the boot menu - same place you find Safe Mode) or uninstall your graphics driver in Safe Mode and then reinstall it.
If you have more than one computer you could install a remote access app like VNC on them and remotely access the main computer to change the screen res at way.