When you connect more than just one monitor to a computer running on the Windows Operating System, Windows makes one of the monitors the primary monitor (in almost all cases, this is the monitor that was connected to the computer first) and the rest of the monitors the secondary, tertiary and so on monitors. The primary monitor is the default monitor Windows displays everything on, which is why being able to determine which monitor connected to your computer you want to be the primary monitor is immensely important. Thankfully, Windows 10 not only allows users with multiple monitors to choose their primary monitor at any given time but the process used to do so is also pretty simple.
For Windows 7
To change the primary monitor on a computer running on Windows 7 with more than one monitor connected to it, you need to simply:
For Windows 10
In Windows 10, the steps are slightly a little different. Some names are changed here and there but the main method is the same. Note: If you have graphics hardware installed on your computer, it is likely that the graphical application’s settings are overriding the system’s default display settings. In that case, open the application and select the primary display from there in the settings. Furthermore, you should also make sure that the displays are extended. If you have not extended the displays, there will be no option of making a primary monitor as all monitors will be treated alike. You can change the setting to Extend these displays from the display settings in Windows 10. Note: Try to Connect your HDMI cable to the monitor which you want to use as primary because some users have reported that the monitor that is connected using the HDMI cables is actually recognized as the primary monitor. This might not be the case with all of you but it might still help some people.
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