Desktop computer startup screen black screen

Why does the screen go black when the desktop computer is turned on?

Generally, the screen goes black after the computer is turned on. The following situations are common: there is a problem with the monitor, or the connection cable between the monitor and the host is broken. has a problem. There is a problem with the memory or poor contact. There is static electricity on the motherboard, causing it to become unresponsive. The discrete graphics card has poor contact or a problem. The motherboard is broken or has a problem.

Damage to the host power supply or poor quality of the host power supply often causes our black screen failure.

It may be that the video cable between the monitor and the host is connected incorrectly or the video cable is loose. The computer monitor has a black screen and no signal, and there is no signal input.

Solution to black screen when computer starts: Check whether computer components are inserted securely. First, check whether the monitor cable is firmly and reliably inserted into the host interface, and then check whether the contact between the graphics card and the motherboard IO slot is good.

Desktop computer has a black screen when it starts up

1. Solution to a black screen when the computer starts up: Check whether the computer components are inserted securely. First, please check whether the monitor cable is securely and reliably inserted into the host interface, and then check the graphics card. Is the contact with the motherboard IO slot good?

2. Here are some countermeasures: Check the power supply: Completely power off the computer, wait a few minutes and then turn it on again. If the computer starts normally, then a power supply failure is suspected. You can try to replace the power supply or check the power supply connection. Troubleshoot hardware: If the power supply is OK, the problem may be hardware.

3. The host power supply is damaged or the host power supply quality is poor, which often causes our black screen failure.

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. After the desktop computer is turned on, the monitor screen goes black 1, completely black, and neither the host nor the monitor (including the indicator light) lights up. Indicator light The indicator light of the monitor is on, but the indicator light of the host is off. The monitor does not display. The indicator lights of the monitor and the host are both on and the cooling fan of the switching power supply rotates normally, but the monitor does not display.

What's going on when a black screen appears after a desktop computer is turned on?

1. Generally, the following situations occur when a black screen appears after a computer is turned on: There is a problem with the monitor, or the connection cable between the monitor and the host is broken. has a problem. There is a problem with the memory or poor contact. There is static electricity on the motherboard, causing it to become unresponsive. The discrete graphics card has poor contact or a problem. The motherboard is broken or there is a problem.

2. The host power supply is damaged or the host power supply quality is poor, which often causes our black screen failure.

3. This situation usually occurs because the computer memory module, graphics card or system has a black screen. Solution: Unplug the memory stick and check it, then wipe it with an eraser; if it is a graphics card problem, you need to reinstall the graphics card driver; if there is a problem with the computer system, you can only reinstall the system.

4. The machine does not start when it is turned on. According to the owner, he changed the BIOS and wanted to overclock the CPU through the soft jumper, which caused this fault. Turn on the machine and discharge the motherboard (there are two pins on the motherboard for clearing BIOS settings) and then it becomes normal. It turns out that excessive overclocking caused the CPU to fail.

What to do if the screen goes black when the desktop computer starts up

1. Here are some countermeasures: Check the power supply: Completely cut off the power to the computer, wait a few minutes and then turn it on again. If the computer starts normally, then a power supply failure is suspected. You can try to replace the power supply or check the power supply connection. Troubleshoot hardware: If the power supply is OK, the problem may be hardware.

2. First check whether the external wiring of the computer is connected properly, and re-plug each connection to see if the fault is eliminated.

3. Restart immediately. When the computer is turned on and the host power is turned on, the power light is on but the monitor is black. After the computer is turned on, the screen is black and there is no display or a prompt similar to no signal.

4. The monitor has poor contact. Solution: Remove the interface from the back of the main chassis where the monitor is connected, clean it, and try to connect it again. Be careful not to connect the interface backwards. If there is no problem with the contact, it is best to try another monitor to determine whether there is a problem with the monitor.

What to do if your desktop computer has a black screen

Restart immediately. When the computer is turned on and the host power is turned on, the power light is on but the monitor is black. After the computer is turned on, the screen is black and there is no display or a prompt similar to no signal.

The host is normal and the display screen is black. First check the power indicator light of the display screen. If the indicator light does not light up, try plugging the power plug in again. If the indicator light is on, check whether the data transmission cable between the display and the host is loose or broken.

Check whether the computer components are inserted securely. First, please check whether the monitor cable is securely and reliably inserted into the host interface, and then check whether the contact between the graphics card and the motherboard IO slot is good. If necessary, please remove the graphics card and reinsert it once, making sure it is inserted in place and has good contact.

Make sure all cables are connected correctly Sometimes the black screen problem on desktop computers is caused by incorrectly plugged cables. Therefore, you should first make sure that all cables are in the correct jacks. Includes power cord, display cord, and all other wires. Always unplug the computer and monitor before doing any work.

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.

The main reasons why the computer has a black screen without signal are as follows: Check whether the connecting cable between the monitor and the computer is tightly installed. It is recommended to re-plug the connecting data cable or replace the data cable.

What to do if the screen goes black after the desktop computer is turned on

1. Solution to the black screen when turning on the computer: Check whether the computer components are inserted securely. First, please check whether the monitor cable is securely and reliably inserted into the host interface. Then check whether the contact between the graphics card and the motherboard IO slot is good.

2. First check whether the external wiring of the computer is connected properly, and re-plug each connection to see if the fault is eliminated.

3. Restart immediately. When the computer is turned on and the host power is turned on, the power light is on but the monitor is black. After the computer is turned on, the screen is black and there is no display or a prompt similar to no signal.

4. If the monitor screen is black and there is a startup sound from the computer, it proves that the computer should be powered on. You can try to re-plug and unplug the monitor cable, or re-plug and unplug the graphics card, etc. . If the alarm is caused by Didi, it is recommended to re-plug and unplug the memory to check. Hope this helps. Restart the computer.

5. A black screen when turning on a desktop computer may not only be caused by a problem with the power supply or plug, but also by a loose graphics card on the computer host. In this case, you need to open the computer case, remove the graphics card, wipe it, and then Try putting it on and see if it works.

6. Solution to the problem of a black screen and unresponsiveness when turning on a desktop computer: Confirm whether the monitor is damaged, check whether the computer components are properly installed, and confirm whether there is a problem with the fan.

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