What causes a white screen when the computer starts up?

The reasons why the computer turns on to a white screen include power outage of the monitor, poor contact of the monitor data cable, no power supply to the motherboard, poor contact or damage to the graphics card, poor cpu contact, poor contact of the memory stick, machine infection with viruses, BIOS setting issues, Monitor driver issues and hardware failures, etc. Detailed introduction: 1. The monitor is powered off. If the monitor is not powered on, a white screen will appear when the computer is turned on. Please check whether the monitor's power cord is tightly connected and make sure the monitor is turned on; 2. The monitor data cable is in poor contact. If the monitor The data cable between the computer and the computer is loose, etc.

The operating system for this tutorial: Windows 10 system, DELL G3 computer.

The white screen on computer startup may be caused by a variety of reasons. Here are some possible reasons and corresponding solutions:

1. The monitor is powered off: If the monitor is not powered on, then A white screen appears when the computer is turned on. Please check whether the monitor's power cord is tightly connected and make sure the monitor is turned on.

2. Poor contact of the monitor data cable: If the data cable between the monitor and the computer is loose or has poor contact, it may cause a white screen at startup. Please check and re-plug the data cable to make sure it is tightly connected.

3. The motherboard is not powered: If the motherboard does not receive sufficient power supply, it may also cause a white screen at boot. Please check whether the power cord is tightly connected and make sure the power supply is working properly.

4. Poor contact or damage to the graphics card: If the contact between the graphics card and the motherboard is poor or the graphics card is damaged, it may cause a white screen at boot. Please check and reseat the graphics card to make sure it is tightly connected. If the problem persists, consider replacing the graphics card.

5. Poor CPU contact: If the contact between the CPU and the motherboard is poor, it may cause a white screen at boot. Please check and re-plug the CPU to make sure it is tightly connected.

6. Poor contact between the memory module and the motherboard: If there is poor contact between the memory module and the motherboard, it may cause a white screen at boot. Please check and reseat the memory module to make sure it is tightly connected.

7. The machine is infected with a virus: If the computer is infected with a virus, it may cause a white screen at startup. Please use anti-virus software to fully scan your computer and remove viruses.

8. BIOS setting problem: If the BIOS setting is incorrect, it may cause a white screen at boot. Please try to reset the BIOS settings, or enter the BIOS settings interface to make relevant adjustments.

9. Monitor driver problem: If the monitor driver is damaged or missing, it may cause a white screen at startup. Please try updating or reinstalling your monitor driver.

10. Hardware failure: If the above reasons are eliminated, then the white screen on computer startup may be caused by hardware failure. At this time, it is recommended to seek professional help for further maintenance.

In short, there may be many reasons for a white screen on computer startup, which need to be carefully investigated. If you can't solve the problem yourself, seek professional help.

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