The black screen of Samsung monitor shows "detection signal line"

Samsung LCD screen prompts "signal line detection", which is related to loose cable connection and wrong switching. Here, taking connecting the analog interface as an example, the troubleshooting method is demonstrated:

1. Check whether the signal line plug on the back of the monitor is securely connected.

2. Check whether the signal line plug on the back of the computer is firmly connected.

3. Check whether the equipment connected with the product is powered on.

4. On the display panel, switch the signal SOURCE key source key or switch/confirm key (for five-dimensional key display, press the function key and move the JOG button to the signal source switch position for conversion. ) key to display the back interface and switch to the corresponding mode. For example, to connect the RGB input interface of a monitor, you need to switch to Analog mode.

Here's a reminder: users connected to laptops need to switch the screen display mode. Please refer to the instruction manual or consult customer service. Please hold down the window key and then press the P key continuously for the win7 system of Samsung notebook computer to switch between four display modes.

If the above operation fails to solve the problem, or the problem of cable replacement and computer testing still exists, please log in to Samsung official website, find the local Samsung service center, and send the monitor to the service center for testing and processing. The address link is:/support/location/supportservice.do? Page = service. location