1. If the laptop wants to turn off the monitor and the computer is still on, you can set the computer screen saver, which is the black screen directly;Or by turning off the display. 2. Directly set the screen saver of the computer to black, so that the screen is also black, which is equivalent to turning off the display screen. 3. Click the computer desktop, right click Properties, find the screen saver, and set the screen saver to blank, so that when the system enters the screen saver, it will automatically become a black screen. 4. To turn off the display, you can use the notebook shortcut key Fn+F2. Note that different computers may have different shortcut keys.
Personal computers are not closed for years, that is, black screensavers, and hibernation is disabled!
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After connecting the second monitor, your graphics card driver should be able to recognize it, and then set it as the main monitor. If you need to turn off the notebook display, you can generally draw a display and an × on one of the F1-F4 keys. Press and hold Fn and the function key at the same time to turn off the display!
Win7 system as an example;Shortcut key;Power management.
Method 1: Close the cover
1. To turn off the laptop display, you can close the cover directly, provided that the operation of closing the cover has been changed in the power management, because the cover is closed by default, and the computer goes to sleep;
2. Enter "Power Options" from the notice bar or the control panel of the start menu;
3. Click "Select the function of closing the cover" in the left column, and you can set "Do not take any action" under the battery and power supply;
4. Finally, don't forget to "save changes" to complete the settings.
matters needing attention
Some brand computers also have shortcut key combinations to quickly close the screen, which will not be repeated here.
The laptop is connected to an external display. There are three states when switching: external display+local display;Single penetrance;Single version display.
