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The screen goes black when I turn on the computer but the computer keeps running

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2024-03-16 18:00:261631browse

The screen goes black when I turn on the computer but the computer keeps running

The computer is running normally but the screen is black

Common reasons: The monitor and host video cable are incorrectly connected. The video cable is loose or the video cable is damaged. The computer memory is not plugged in tightly. The motherboard button battery is discharged and malfunctions. The graphics card is faulty or the monitor video cable is damaged. It may also be that the independent graphics card is not installed in place or the power supply cable is loose.

Graphics card problem: It may be caused by abnormal graphics card driver or graphics card hardware failure. You can try reinstalling the graphics card driver or replacing the graphics card. Memory problem: It may be caused by memory failure. You can try to re-plug or replace the memory module. Power supply problem: It may be caused by insufficient power supply or loose power cord.

The first reason: It may be that the connection between the host and the monitor is in poor contact (especially the interface is not plugged in properly or is loose), or there may be a problem with the connected data cable, which is why it appears. There is no signal input to the screen, no display, black screen, but the host is still running normally.

The monitor screen is black but the computer keeps running. How to solve the

resolution error. Check whether the indicator light on the computer monitor is normal. If the indicator light is not on, it means the monitor is not powered on or the power switch is not turned on. You can also solve the problem where the monitor screen is black but the monitor light is on by changing the resolution of the computer.

Power supply problem: If the power supply is working properly but the computer still won't start, a power supply problem may be the cause. Try changing the power cord or connecting the power plug to make sure the power supply is working properly. Graphics card issues: If your graphics card is working properly but your computer still won't start, a graphics card issue may be the cause.

Check whether the monitor and host video cable are connected incorrectly. Check whether the video cable is loose. If it is loose, handle it manually. If it is damaged, replace the video cable promptly.

: It may also be that the computer has just been turned on and there are many startup items running in the background and the response is slow. It is recommended to close unnecessary startup items. 4: The system is unstable and responds slowly. It is recommended to reinstall the genuine system.

Why is the computer screen black but the host is running normally?

1. The first reason: It may be that the connection between the host and the monitor is in poor contact (especially the interface is not plugged in properly or is loose) , it is also possible that there is a problem with the connected data cable, so there is no signal input to the screen, no display, and a black screen, but the host is still running normally.

2. The computer screen suddenly goes black but the host is still running. This may be caused by a variety of reasons. The following are some common causes and solutions: Graphics card problem: It may be caused by abnormal graphics card driver or graphics card hardware failure. You can try reinstalling the graphics card driver or replacing the graphics card. Memory problem: It may be caused by memory failure.

3. The computer screen is black but the host is normal. Reasons and solutions: Hardware failure. Software conflicts. When the computer is turned on, the PC speaker alarm sound is one long and four short. Based on this prompt, you can easily determine that the problem occurs on the graphics card. Solution: Open the case and see if the graphics card is firmly inserted.

4. The computer screen suddenly goes black but the host is still running. It may be caused by a variety of reasons. The following are some common situations: Graphics card problem: If your computer uses a discrete graphics card, the graphics card may be faulty. Or caused by driver incompatibility.

5. The computer screen is black but the host is still running. The following may be the reasons: Graphics card or monitor failure: If the graphics card or monitor fails, it may cause a black screen, but the host is still running. You can try replacing the monitor or repairing the graphics card. Memory failure: A memory failure may also cause the computer to display a black screen, but the console is still running.

6. 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 computer starts with a black screen and the host runs normally

The computer starts with a black screen and the host runs normally. Reason: The screen is defective. The first thing you need to check is whether the switch of the monitor is turned on. Find the switch and press it. If the switch does not light up, it means There is a problem with the switch. If the switch keeps flashing, it means there is a problem with the system.

The first reason: It may be that the connection between the host and the monitor is in poor contact (especially the interface is not plugged in properly or is loose), or there may be a problem with the connected data cable, which is why it appears. There is no signal input to the screen, no display, black screen, but the host is still running normally.

Common reasons: The monitor and host video cable are connected incorrectly. The video cable is loose or the video cable is damaged. The computer memory is not plugged in tightly. The motherboard button battery is discharged and malfunctions. The graphics card is faulty or the monitor video cable is damaged. It may also be that the independent graphics card is not installed in place or the power supply cable is loose.

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.

If a black screen still appears, you can remove all components except the CPU, graphics card, and memory module, and then power on and start the computer. If the memory is faulty, there should be an alarm sound. If it is not due to the memory, please change to a normal CPU and start the test again.

What should I do if my computer monitor has a black screen but the machine is still running?

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.

If there is a problem with the power supply, such as insufficient power supply, the host can run but the computer screen does not light up. You can try to replace the power supply.

Check whether the monitor and host video cable are connected incorrectly. Check whether the video cable is loose. If it is loose, handle it manually. If it is damaged, replace the video cable promptly.

Confirm whether the monitor is damaged. If the monitor and graphics card are installed securely, please try another monitor that is confirmed to be normal. If the screen is no longer black, then the cause is that the monitor may be damaged. Confirm whether there is a problem with the fan. If the monitor is not damaged, please further check whether the CPU fan is running.

Black screen repair method: First, check if it is a system or software problem: Method: Turn on the computer and keep clicking the F8 key, enter the system operation menu, select "Last Known Good Configuration", restart the computer, and see if it can be solved .

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