电脑显示器黑屏但灯亮怎么回事?三分钟自救指南,电脑黑屏灯亮快速排查与自救三分钟攻略
Why does the computer monitor have a black screen but the light is on? Three-minute self-rescue guide: Quick Troubleshooting and Self-rescue Strategy for Computer Black Screen and Light on within three minutes
以上为机器翻译结果，长、整句建议使用 人工翻译 。