After the computer is turned on, the monitor shows no signal

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Reasons why the monitor shows no signal after the computer is turned on: 1. The monitor is not powered on; 2. The connection cable between the monitor and the host is faulty; 3. The memory module is in poor contact; 4. The monitor is faulty; 5. The graphics card is faulty; 6. The motherboard is faulty. This topic provides you with relevant articles, downloads, and course content for you to download and experience for free.