It is not certain whether the display is broken or the graphics card is broken; a black screen is a common phenomenon. , especially in some older computers or prefabricated computers. There are many causes of computer black screen, such as damaged monitor, damaged motherboard, damaged graphics card, poor contact of graphics card, damaged power supply, damaged CPU, excessive temperature of components, etc.
The monitor is not powered on or the power cord is loose. The cable between the monitor and computer is loose or not connected properly. The resolution of the monitor is inconsistent with the computer settings, resulting in the inability to display properly. There is a malfunction in the monitor, such as damage to internal components of the monitor, malfunctioning backlight, etc.
The desktop computer host can start, but the display screen does not respond. What is the problem? Check whether the monitor switch is turned off, whether the cable is connected properly, and whether the power plug is plugged in securely. Disconnect the monitor from the computer. If the monitor shows no signal, the monitor is broken.
The power supply is insufficient, the power supply is insufficient, and the AC voltage may be unstable. 2. There is something wrong with the memory itself. If you take it out and wipe it with an eraser before putting it back in, this kind of problem is probably broken. 3. The graphics card driver was accidentally deleted. Go to the device manager to see if it has been deleted. 4. If you are poisoned, use genuine anti-virus software to kill the virus.
1. Driver problem The independent graphics card is not installed correctly or the driver is damaged, which may cause it to not work properly. The correct driver for your graphics card needs to be downloaded or reinstalled to ensure the card is functioning properly.
2. It’s because the graphics card driver is not installed. Right-click "This Computer" (or "My Computer") and the independent graphics card cannot be detected in the device manager because the graphics card driver is not installed. The reason for this problem is that the graphics card driver is not recognized.
3. Solution to the problem of missing laptop display: Enter the Programs and Functions of the control panel. Uninstall the independent graphics card driver or the remaining items of the independent graphics card driver in the control panel.
4. The notebook computer cannot detect the independent graphics card, which is usually due to a graphics card driver failure or a graphics card failure. You can first use 360 Driver Master to check whether the driver of the independent graphics card is installed correctly. If the graphics card driver is installed normally but the independent graphics card cannot be detected, it is recommended to contact after-sales service.
5. You can download and install the corresponding graphics card driver from the NVIDIA official website. If you can't install it this way, you still need to get the after-sales service to test the graphics card.
6. If you haven't found it yet, try changing the system version. It may be caused by the incompatibility between the system version and the graphics card driver. You can change to the win7 system. Now all notebooks basically support the win7 system driver. It is best to install it. Win7 Microsoft original system for testing.
Maybe it’s because the driver is not installed. It cannot be ruled out that the graphics card is faulty.
Open the driver wizard program on the computer desktop. After entering the Driver Wizard program, click Driver Management. Select the graphics card driver that needs to be installed. Click Install. After the driver is installed, you can view the graphics card in Display Adapters in Device Manager.
The reason is as follows: Because your computer does not have a discrete graphics card, it cannot be detected. The monitor signal cable is damaged. Check whether the signal cable is connected to the output interface of the independent graphics card. If it is connected to the integrated graphics card and the integrated graphics card works, the independent graphics card cannot be detected in the device manager. The graphics card driver is not installed correctly.
There is no independent graphics card in your computer. Integrated graphics cards and independent graphics cards are two common graphics processing units in computer hardware. Integrated graphics cards are usually integrated into the motherboard or CPU and are mainly used for simple computing tasks and daily office needs.
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