How the display signal of the desktop is output in the projector

The steps for connecting a desktop to a projector are as follows:

2. Then, right-click to open the screen resolution option, here click "Connect to Projector".

3. Open the relevant setting options. It should be noted that,You can use shortcut keys to operate,Press the Microsoft logo key and the P key,You can quickly turn on the relevant settings displayed by the projector。

4. If you select "Computer Only", it means that the image will not be displayed on the projector, and the computer will not output the image to the projector; If you select Projector Only, the computer will turn off the image output on its own monitor, which in some cases can help save energy. As for copying, the resolution display output on the projector and computer is exactly the same; There is also an expansion function, you can put the image output on one monitor to two monitors, and you can also adjust the resolution of these two different monitors differently, and you need to adjust it yourself according to your actual needs.

5In general, use a projector to screen and display ppt or some ** documents, specific settings, you can adjust different displays in the screen resolution, here you can refer to the setting process of your own monitor.

If you want the projector and the monitor to display at the same time, you also need to find a VGA cable, both ends are male, the current projectors have at least two VGA female interfaces, connect the connector of the host graphics card on the display to the monitoring VGA interface of the projector (Monitor), and connect the VGA cable to the graphics card at one end, and connect to the output interface of the projector at the other end.

First, connect the port of the monitor directly to the projector when the main power is off, turn on the projector and turn on the computer host, OK

The signal of the projector is automatically detected when the projector is turned on by remote control, and the signal can generally be detected when it is restarted. If you want to connect a desktop to a monitor, you need a VGA divider, and if you want to connect a dual-output graphics card, you need to start the graphics card's control software and select the copy mode.

There is no signal from the computer to roll out of the jujube to the projector is caused by a setting error, and the solution is:

2. Then we click the right mouse button to open the screen resolution option and click on the "Connect to projector" option.

3、Then open the setting options related to projection,At this time, you can use the shortcut key to operate,Press the Microsoft key and the rock P key,You can quickly open the relevant settings displayed by the projector。

4. Use the projector to screen and display ppt or ** document, and the specific settings can be adjusted by different displays in the screen resolution album, so the settings of this piece are set according to your own needs.

The computer does not output signal to the projector because of the wrong setting, the solution is:

2. Then we click the right mouse button to open the screen resolution option and click on the "Connect to projector" option.

3. Then open the settings related to projection, then you can use the shortcut key to operate, press the Microsoft key and the P key, you can quickly open the relevant settings displayed by the projector.

Adjust the screen resolution on the computer to 800*600,And then see if the projector can be displayed,Thank you。

There are several reasons why the projector is not receiving the signal from the computer.

2. If you have a problem with the driver of the computer graphics card, you can easily solve it by updating or reinstalling the computer graphics card driver, and installing a driver management software such as a driver home;

3. If it is a laptop, please press FN+F3 (switch to other connected display devices, different models of computers may have different F keys);

4. There is equipment between the computer and the projector, such as the distributor, the central control, the moment display, the physical booth, etc., as long as the signal line is directly connected to the computer projector, it can be checked;

5. The signal line between the computer and the projector is damaged, and another signal cable can be confirmed directly under the computer projector.

Generally, the projection has a VGA interface. You just need to connect the VGA cable to the host VGA interface on the desktop,,Turn on the machine.。。 Usually there will be. If you still haven't adjusted the resolution of your computer.

Turn on the projector first, connect to the special interface of the computer, and then turn on the computer, and the computer desktop will have a projector icon after turning on.

If you use a VGA connection, you can buy a one-in-two connector, which is very cheap.

Check whether the projector is connected to the computer using a VGA cable or an HDMI cable.

If it is a VGA connection, please check whether the projector is selected to VGA or computer mode, if it is an HDMI connection, please check whether the projector is selected HDMI mode, that is, the selection of the signal source input.

If the connected device is a desktop, you need to adjust the computer resolution according to the resolution of the projector, usually the refresh rate can be adjusted to 60 Hz, some are higher, it is best to try them one by one, and then turn it off, use VGA to connect to the projector again, and then turn it on.

If it is a notebook connected to the projector, you need to press the fn+fx in the lower left corner of the keyboard (f1--f12 one of the keys to switch the display), usually, there are 3 modes for switching dual displays, you can press it once, twice, three times at the same time, try it.

If the above operation is okay and the projector still shows no signal, you can try a different cable.

Set the refresh rate to 60 Hz.

It is suspected that the projector input source is not set to VGA input. Technological exchanges.