What should I do if the win7 system cannot start and the screen is black?

Windows 7 startup black screen may be caused by hardware failure (monitor, graphics card, cable, power supply) or software problem (driver, system file, malware). Troubleshooting steps include: Check hardware connections Boot in safe mode Perform a system restore Update drivers Repair system files Scan for malware Reinstall Windows if other methods fail

How to solve the black screen problem when Windows 7 system starts up

When a black screen appears when Windows 7 system starts up, it may be caused by the following reasons:

Hardware problem:

• Monitor failure
• Damaged graphics card
• Loose or damaged connection cable
• Power supply failure

Software Problem:

• Corrupted Driver
• Corrupted System File
• Malware Infection

Troubleshooting steps:

1. Check the hardware:

• Make sure the monitor is turned on and connected correctly.
• Restart your computer and make sure the graphics card connection is secure.
• Check whether the power cord is loose or damaged.

2. Safe Mode:

• Try to start Windows in Safe Mode. Press the F8 key and select Safe Mode. If it boots normally in safe mode, it may be a driver or software issue.

3. System Restore:

• If you can start in safe mode, please try to perform system restore. This will restore your system to a previous state and may resolve the issue.

4. Update driver:

• Try to update the display adapter driver. Go to Device Manager, right-click on the display adapter and select "Update Driver".

5. Repair system files:

• Run System File Checker (SFC). In the command prompt, enter the following command: "sfc /scannow". This will scan and repair damaged system files.

6. Scan for malware:

• Run a malware scanner. Use an antivirus or anti-malware program to scan your computer to find and remove any malware that may be causing problems.

7. Reinstall Windows:

• If all else fails, you may need to reinstall Windows. However, doing so will delete all files and settings, so make sure to back up your data before proceeding.

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