I need some help with dual monitor setup on Dell 810 laptop. I am not able to use the second monitor. I use to work on the dual monitor from long time. It was working fine before. But somehow after recent updates I started getting problem. The dual monitor is not showing up any screen. When I connect the monitor to laptop it keeps on flashing. There is no display on the screen at all. It looks some recent video driver updates has caused the failure.
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