Desktop computer monitor won't turn on

Why does the desktop computer screen suddenly not light up, but the host computer is still running?

The reasons why the desktop computer screen does not light up but the host computer is still running are: the monitor itself Damage results in failure to display, the data cable connecting the monitor to the host is loose or damaged, host memory problems, poor contact with the host's independent graphics card, and power supply performance issues.

When the desktop computer is turned on, if the screen does not light up but the console is still running, this could be one of several reasons: Graphics card problem. Maybe the display card connected to the monitor is bad or not working properly, which may result in not being able to see anything on the monitor. Monitor problem.

When the computer monitor has a black screen and no signal, but the host is running normally, there may be several reasons: Cable problem: Check whether the connection line between the computer monitor and the host is stable. If the connection is poor or damaged, the monitor will be unable to receive signals, resulting in a black screen.

The first possibility is that the power plug of the monitor is loose. Try plugging it in again. The second possibility is that the transmission line connecting the computer monitor and the computer host is loose or broken. Check the data transmission line.

Generally, this situation is caused by oxidation or poor contact of the memory gold finger. When encountering this situation: 1. Unplug the computer power cord first and press the power button on the chassis 5-6 times. Release the residual charge on the motherboard. 2. Then open the side panel of the chassis and insert and remove the memory slots.

There may be a problem with the graphics card or monitor. First of all, you need to check whether the monitor power supply and the display cable connected to the host are tightly plugged in. This is also the problem with general display problems. If the monitor still does not light up, you can also try the monitor on another normal host to check whether the monitor is faulty.

What to do if the computer display cannot be turned on

1. The following are possible causes and solutions: The cable connecting the computer and monitor is loose or damaged. Check whether the cable is plugged in tightly. If it is damaged, replace the cable. The computer or monitor does not have the correct power supply. Check whether the power cord is plugged in tightly and the switch is on. The computer or monitor settings are incorrect.

2. Power supply problem The computer display may not turn on due to power supply issues. You can check whether the power cord is plugged in properly and whether the plug is loose. You can also try to plug in a different power cord to determine whether there is any problem with the plug and power cord.

3. First, you can try to adjust the computer’s display resolution or reinstall the display driver. If your computer's monitor still won't turn on, you can try entering safe mode to check for other software issues. Check for connection problems Finally, you need to check for connection problems between the computer and the monitor.

4. If your computer monitor cannot be turned on, you can try the following methods: Check the power supply: Make sure the power cord is plugged in tightly, the plug is connected to the power socket, and the socket is working properly. Check the connection: Check whether the monitor cable is plugged in tightly and whether the graphics card driver on the computer has been installed correctly.

Why the desktop computer display cannot be turned on

1. Method: If the screen is always black, please check whether the switch on the computer display is turned on. If the monitor is on and there is no signal, first check if a VGN monitor is plugged in, both the monitor and the host. The monitor is unresponsive, we can change the monitor to view, or maybe the monitor is broken.

2. Power supply problem The computer display may not turn on due to power supply issues. You can check whether the power cord is plugged in properly and whether the plug is loose. You can also try to plug in a different power cord to determine whether there is any problem with the plug and power cord.

3. It may be because the power cord of the computer display is not connected properly. It is necessary to check whether the switch of the monitor is not turned on. If the switch of the monitor is not turned on, the display screen will generally not respond after turning on the computer. Check to see if there is a poor connection problem with the monitor power supply.

4. Generally, the following situations often lead to a black screen after the computer is turned on: There is a problem with the monitor, or there is a problem with the connection cable between the monitor and the host.

5. If your computer monitor cannot be turned on, there may be several common reasons and corresponding solutions: Check the connection: First, make sure the monitor is properly connected to the computer. Check whether the power cord, VGAHDMIDisplayPort and other video cables are plugged in tightly, and make sure they are not loose or broken.

6. It is possible that the connection between your host and the monitor is not in good contact, or there may be a problem with the connected data cable, which is why there is no signal input to the screen, no display, and a black screen. How to deal with it? : You need to re-plug the connected data cable or replace the data cable.

What to do if the pdf file cannot be opened on the computer

This is also the most direct method. Sometimes the PDF file cannot be opened. It may be due to the computer. Just restart the computer and then open the PDF file. .

Try using another PDF reader to open the file, such as Adobe Acrobat Reader. Check if your PDF reader is the latest version and try updating it. Try reinstalling your PDF reader to ensure it works properly.

Download software: The main reason why the computer cannot open PDF files is that the PDF software is not installed. The most commonly used ones are Adobe reader or Foxit Reader. You can download a reading software online and install it on your computer, and then you can open it.

The PDF file cannot be opened because there may be problems with the computer system or software, such as virus infection, missing drivers, etc. We need to disinfect the computer, repair or reinstall the operating system, or reinstall related software.

For example, I want to open this pdf file in the folder. If it cannot be opened by double-clicking, check whether PDF reading software is installed on your computer. Right-click the mouse and choose to open using other methods. If the reader cannot be found, it means it is not installed. Generally it can be detected automatically. If it has been installed, find the folder where the pdf is installed and double-click the shortcut to open it.

What to do if the computer screen cannot be turned on

1. Method to check the monitor power supply. When the monitor does not light up, check whether the monitor power supply is plugged in properly. If the monitor power switch is a touch switch, when When powering up the monitor, you should hear a slight popping sound. At this time, you can judge that the switching power supply circuit of the monitor is good.

2. Eliminate the human operation of the monitor switch. Usually the reason why the computer cannot be turned on is because of memory problems. Loose memory and static electricity may cause the computer to not light up. At this time, we need to replug and unplug the memory. Remember to wipe the gold finger after pulling it out to remove static electricity. The light will save you.

3. ...If the monitor is turned on and there is no signal, first check whether the VGN monitor is plugged in, including the monitor and the host. The monitor is unresponsive, we can change the monitor to view, or maybe the monitor is broken. If there is no problem with the above, it is a problem with the host.

4. Check whether there is power. When we find that the computer cannot be turned on, first check the power connection. It may be that the computer cannot be turned on because the power is not connected. Check the display.

5. The computer will not turn on. How to troubleshoot the problem of no display when turning on the computer (check whether there is a bulging capacitor). Step 1: First check whether the external wiring of the computer is connected properly, and re-plug each connection to see if the fault is eliminated.

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