Traditional Culture Encyclopedia - Hotel reservation - How to open the hotel surveillance black screen?
How to open the hotel surveillance black screen?
If there is a black screen on the monitor, first check whether the power supply is normal, such as whether the power plug is loose and whether the power cord is connected properly. Then check whether the video line is interrupted and whether the video head is in good contact; Then check whether the terminal settings are correct. General power supply is more likely to have problems, and power supply and lines can be restored after repair.
1. First, check the power supply and wiring. Because the main reason of black screen is power failure, the probability of power failure and wiring failure is relatively high. You can use a multimeter to measure the power supply and wiring. If no current is found, there is something wrong with the power supply. Replace the power supply and repair the wiring.
2. Secondly, check whether the video cable is normal and whether the video head and the power plug are in poor contact. If the connector falls off or has poor contact, unplug it, clean it and plug it in again. If the lines are disconnected, connect them.
3. After that, you need to check whether the terminal settings have been modified, resulting in a black screen on the display, such as whether the software is running normally and whether the version is up to date. You can try to upgrade the software to a version compatible with your monitor.
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