Why is the screen only half of the computer screen displayed when the computer and laptop are connec

Hello friends who use Dell,I'm also using Dell's book,I've had this situation before,Let me talk about the reasons for this situation may be as follows:First,Graphics card problem,But your situation may be very small,Many people think that the problem with the screen is the problem of the graphics card,In fact, otherwise,The display screen itself is a problem,This possibility is very great (I was the monitor screen was broken,Later, I replaced a new one and now it's good)Third,The problem of the screen line, It may be that the screen cable is broken,The above are hardware reasons,It may also be software reasons,In order to detect your hardware problems, you can try to boot the fn key to test the following hardware together,Press y after booting in,Press n when prompted,But this is the hardware detection program that comes with the machine itself,Specifically, there is a problem,It is recommended that you contact Dell's engineers,Go to the official website。

It should be the VGA output of the monitor connected to the notebook, right? There is always a little difference in the outgoing signal,The screen of the monitor can be adjusted,Call up the screen adjustment menu,Adjust the picture to make it normal。

You have a deep enough question, I don't know if you haven't learned Chinese well, or I haven't learned it well, but I can't understand it.

1. First open the control panel and click "Hardware and Sound";

2. In Hardware Management, click Device Manager;

3. Check the "Monitor" option of the computer, whether it has its own hardware, if not, you also need to re-check the installation of the hardware;

4. Go back to Hardware & Sound, and tap Connect to external display;

5. Click "Advanced Settings" in the display control center;

6. The monitor advanced settings dialog box pops up, and click "Properties";

7. Reinstall "Update Driver" or "Uninstall" in the property panel;

8. Return to the properties panel and adjust the refresh rate to keep the refresh rate consistent with the external display;

9. Finally, press the win+p button of the computer keyboard, the monitor mode dialog box will pop up, select "Copy" or "Expand", finish, and connect the HDMI monitor to display normally.

Here's how to solve the problem:

1. First, we turn on our computer, and then we click Start.

2. After that, we click on the settings in the pop-up interface.

3. Then we click on System.

4、The interface that pops up in the noisy base,We can see the resolution,At this time, it is1024*768,This is the reason for the display of half the screen。

5. We click on the drop-down arrow on the side.

6. In the pop-up interface, we click to select the recommended resolution.

7. The pop-up interface upgrade button, we can click Save Changes, so that Fengsheng can be restored to full screen.

There are a few buttons on the display. There's a main menu in there. Find the one that sets the size inside.

There are several buttons on the display. There is a main menu. Just find one with a set size.

Are you going to have a black background?

Selective attention, selective comprehension, and selective memory. The filter of choice is the knowledge and experience that people already have. Students at the university level have a certain amount of life experience and knowledge accumulation, and to a certain extent have established their own values, and the process of absorbing new phenomena and new knowledge is often a process of assimilating with the original knowledge structure or even reconstructing the new knowledge structure.

Therefore, the interactive experience is within.

Summary. You can turn off and turn on again, and then see if the screen is half or normal when you turn it on again, if it is half when you turn it on, it may be that your monitor signal cable is not plugged in or the monitor and graphics card is faulty;

If it is normal when you boot up, it may be that there is something wrong with your system, you can turn on the computer and press F8 to enter safe mode, and then change the desktop resolution to restart it.

Why is the desktop screen only half displayed after the computer is turned on?

You can turn off and turn on again, and then see if the screen is half or normal when you turn it on again, if it is half when you turn it on, it may be that your monitor signal cable is not plugged in or the monitor and graphics card is faulty; If Yunmingguo is normal when it is turned on, it may be that there is a problem with your system, you can press F8 to enter the safe mode when you turn it on, and then change the desktop combustion rate to restart it.

Hope it helps.

This is the reason for the computer resolution setting, for example, the 19-inch LCD monitor should be 1440*900, and the current resolution is only set to 1024*768, so the display is not displayed on the side, and the resolution is set to 1440*900, which can be displayed in full screen.

Here's how to set the resolution:

First, right-click on the blank space of the screen and select the screen resolution.

Second, then set the display resolution to the best display resolution of the display, and determine it after the most closed silver slippery.

Summary. This is the reason for the computer resolution setting, for example, the 19-inch LCD monitor should be 1440*900, and the current resolution is only set to 1024*768, so the display is not displayed on the side, and the resolution is set to 1440*900, which can be displayed in full screen.

Here's how to set the resolution:

First, right-click on the blank space of the screen and select the screen resolution.

My computer displays only a desktop in the middle part of the computer display, why is that?

This is the reason for the computer resolution setting, for example, the 19-inch LCD monitor should be 1440*900, and the current resolution is only set to 1024*768, so the display is not displayed on the side, and the resolution is set to 1440*900, which can be displayed in full screen. The resolution setting method is as follows: First, right-click on the blank space of the screen and select the screen resolution.

If you don't need to inquire about other questions, end the conversation and give a like, thank you.

No, it was after connecting a projector yesterday, and when I came back today, it became dark around me.

It could be a computer problem, and you can just go to a physical computer store and show it to a professional.

Give it a thumbs up.