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How to solve the problem that win7 cannot detect the second monitor

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2023-07-03 09:47:22 6528browse

win7 cannot detect the second monitor solution: 1. Open the control panel and select Hardware and Sound; 2. Click on the device manager in the device printer; 3. Through the monitor in the device manager Check if there is a second monitor connected; 4. Return to the desktop, right-click the mouse, and select screen resolution; 5. Click Advanced Settings in the lower right corner; 6. Click Monitor in Advanced Settings and select the refresh frequency; 7 , press WIN P on the computer and select the copy option or expand to detect or display the second monitor.

How to solve the problem that win7 cannot detect the second monitor

The operating environment of this tutorial: Windows 7 system, DELL G3 computer.

In order to improve efficiency, many users will connect an external monitor when using their computers. However, some win7 users find that their computers cannot detect the second monitor. What should they do? Open the control panel and gradually enter the device. Manager, and then check the monitor extension to see if there is a second monitor. If not, there is a connection problem or a hardware problem. Just check it one by one.

What to do if win7 cannot detect the second monitor

1. After the monitor is connected, open the "Control Panel" and select "Hardware and Sound".

How to solve the problem that win7 cannot detect the second monitor

#2. After entering the page, click "Device Manager" in "Device Printer".

How to solve the problem that win7 cannot detect the second monitor

3. In the "Device Manager" page, you can use "Monitor" to check whether there is a second monitor connected. If not, it means that this is There is a hardware problem with the monitor or a connection problem that requires us to troubleshoot.

How to solve the problem that win7 cannot detect the second monitor

#4. Return to the desktop, right-click the mouse and select "Screen Resolution".

How to solve the problem that win7 cannot detect the second monitor

#5. After entering the page, please click "Advanced Settings" in the lower right corner.

How to solve the problem that win7 cannot detect the second monitor

6. In the "Advanced Settings" page, we click the "Monitor" option above. After clicking, select the refresh frequency suitable for your monitor in the list below. , then click "Apply" to take effect.

How to solve the problem that win7 cannot detect the second monitor

7. After the previous steps are completed, press WIN P on the computer and select the "Copy" option or the "Expand" option to adjust the second monitor. detection or display.

How to solve the problem that win7 cannot detect the second monitor

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