What causes a monitor to go blank after windows starts up?
For a several reason,1. The monitor doesn't support the desktop resolution that Windows provide.2. The monitor doesn't support the refresh rate that Windows provide.3. The graphic card settings appear to be unsupported by your monitor.4. The monitor maybe unrecognized by Windows, and needs drivers installed.Try booting Windows on the safe mode, tweak monitor settings on control panel, or desktop properties, try the lowest resolution (800x600), and refresh rate (60 Hertz).