How to achieve dual screen with Win7 Nvidia graphics card

will appear below: click & ldquo; application & rdquo; dual copy mode can be realized
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Note: At this time, both monitors display the same screen

1. Subject to the resolution of the display resolution.
   Since the previous 1 display (LEN LI2361dwa) is the main display, after clicking Copy on the main display, the default 2 display (LEN L171) is the main display.
   Conversely, if the previous 2 display (LEN L171) is the primary display, click Copy on the primary display and the default 1 display (LEN LI2361dwa) is the primary display.
   Keep in mind that no matter which display you click on the copy, the other display will default to the main display. (Although there is no master-slave in the copy mode, after the copy mode is canceled, the expansion operation will involve the main display problem, so it is important to default which is the primary display).
   Extended mode: Right click on —— cancel copying to switch to extended mode.
   
   This way you can implement the extended mode, which is the same as the initial state of this article (the default is the extended mode), as shown in Figure 6. Display & ldquo; detection & rdquo; problem: the display default connection can display 2 monitor models, as shown in the figure: Click the “√” symbol in the red area will appear the following picture: Note: At this time the display only starts A monitor.
2. If the user says that there is only one display in the area of ​​Figure 2 above, you can lead the observation to “√”
   
   This is related to the master-slave display problem. If the "“√" is cancelled as the primary display, the other display defaults to the primary display.
   
   Example: 1 and 2 monitors, 1 as the main display, cancel 1 in front of &&quo;√”, then only 2 monitors are detected, and the default is the main display. After checking the 1 display, 2 is still the main display. The above two figures. The above is the dual screen implemented by the Nvidia console. The following describes the implementation without the console. 1.+P (windows+P), the easiest way, but can not set the master-slave display: