How to solve the problem that the display does not light up when the computer is turned on

There are five common solutions to the problem that the display does not light up when the computer is turned on: 1. Check the hardware connection; 2. Check the graphics card; 3. Check the BIOS settings; 4. Reinstall the graphics card driver; 5. Check for hardware failure. If the fault persists, it is recommended to seek professional help.

Solution guide for display not lighting up after computer startup

It is a common fault that the display does not light up after computer startup , there may be several reasons for this problem. Here are several common solutions:

1. Check the hardware connections

• Confirm that the power cord is properly connected to the monitor and the power outlet.
• Check that the video cable (HDMI, DisplayPort, etc.) is securely plugged into the graphics card and monitor.
• Try changing to a different video cable or monitor to troubleshoot the hardware.

2. Check the graphics card

• Make sure the graphics card is correctly installed on the motherboard.
• Check whether the graphics card fan is running normally and whether there is no dust accumulation on the heat sink.
• If you have an integrated graphics card, try switching to the integrated graphics card. If the monitor returns to normal, it may be a graphics card problem.

3. Check the BIOS settings

• Enter the BIOS settings and make sure the monitor is selected as the primary display device in "Primary Display".
• In the BIOS, try resetting to default settings, which may resolve display-related errors.

4. Reinstall the graphics card driver

• Start the computer in safe mode.
• Use a display uninstaller (such as DDU) to uninstall the current graphics card driver.
• Restart the computer and install the latest version of the graphics card driver.

5. Check if there is a hardware failure

• If none of the above methods can solve the problem, there may be a hardware failure.
• Try changing to a different RAM stick as damaged RAM can also cause display issues.
• Try to use backup power supply to eliminate power failure.

Tip:

• Disconnect the computer from the power source before making any hardware changes.
• If you're not sure how to perform a task, seek help from a professional.
• If you change hardware, make sure they are compatible with your system.

The above is the detailed content of How to solve the problem that the display does not light up when the computer is turned on. For more information, please follow other related articles on the PHP Chinese website!