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I did not think about the BIOS. Access the BIOS (setup) by pushing the appropriate key on startup (it will tell you on screen according the what BIOS version you have). In the BIOS look for hardware
You have a pretty good graphics card right now that should handle most of your games. Also, buying a new motherboard will not improve your video performance because on-board RAM is always less than 1GB
You can indeed. What you need is called a KVM Switch. It allows you to connect two, or more depending on the switch, PCs to a single Monitor, Mouse, and Keyboard. Then when you want to use one of the computers
From the Dell specsheet, this monitor has both a DVI and VGA input. Does one of your computers have a DVI output? If so, you can simply use the monitor's internal switching. If not, you can either
Hi K, Surely you can use that monitor for 2 desktops. You just need to get one 2 port KVM switch and connect 2 desktops with your monitor.This device is easily available in market or even online.

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