Guide to Fixing Led Screen Error

In the process of using LED screens, it is inevitable to encounter some unexpected problems. Faulty LED display will affect the effectiveness of the program being held. Therefore, when detecting abnormalities, check and find a solution at that time to limit the risks arising while organizing the event.

1. LED is dead or wrong color display

- Phenomenon : One or more LEDs on the LED modules do not light or light up in the wrong color. This problem can be caused by damaged LED bulbs, poor quality bulbs, bumps, poor 4-pin solder joints of LED bulbs, or expired LED bulbs….

- How to fix : The best test method is to show red, green, and blue in turn. Then mark the dead spot with an eraser or crayon. Remove the module from the display and replace the LED with a new torch/solder method. Note to set the correct direction of the LED before soldering.

2. Led screen lost signal

- Phenomenon: During normal use, the signal suddenly lost, sometimes not. The reason is that the power supply to the screen and processor is not stable.

- How to fix: Need to check the power supply and replace it to avoid shorting or burning the screen

3. Error led screen is jerky, image is not smooth

- Phenomenon : The presentation image is laggy, not smooth due to weak computer configuration, but displays high-resolution, large-frame images and videos (>30fps) through heavy software like Vmix , Resolume Area…

- How to fix Use a computer to present with high configuration: i5, i7, RAM from 8GB or more, discrete video card. Besides, you can use software to lower the resolution of the video or reduce the number of frames.

4. The led screen flashes in an area, sometimes winning and losing

- Phenomenon: During the presentation, a certain area of ​​the screen is flickering, sometimes winning and sometimes losing. This greatly affects the success of the program. Mostly because the network wire connecting the receiver card is broken and not running the total backup wire.

- How to fix : When this phenomenon occurs, replace the network cable. However, when the show was going on, it was very difficult to change the wires. Therefore, the best solution is to add a backup wire for the entire screen. This will help the monitor always have a backup signal line when suddenly there is a faulty network wire, the screen will still work fine.

5. The led module appears with stripes or different colored boxes

- Phenomenon: Led screen appears stripes

on the module or an area of ​​the square is discolored or different from the rest. Most of these errors are caused by damaged LED module driver IC and color IC.

- How to fix : Remove the module plate from the LED screen, remove the screw on the front of the module to separate the plastic frame and LED plate. Locate the faulty IC and proceed with the replacement.

6. Error LED Screen Display Not Right With Computer

- Phenomena:

• The display is not in the correct order of top, bottom or left and right because the network cable is plugged in reverse.
• The aspect ratio is not standard due to the wrong adjustment of screen parameters

- How to fix : Re-plug the network cable and reset the standard screen parameters with the actual resolution of the screen.

7 . LED Screen Error No Uniform Color

- Phenomenon: The LED display color is not uniform. Especially easy to recognize when testing the colors R, G, B and white. Because LED modules are used in different batches, at different times, or because of poor module quality.

- How to fix : Need Calibration again. This is a complex operation and requires additional good equipment such as a camera and specialized software to perform.

8. The screen in use is missing an area

- Phenomenon: The screen is missing a few, losing an area, the whole sheet or an area with a different color. The cause of this phenomenon is that the 16-fiber flat cable connected to the receiver card is loose, damaged, causing the screen to lose color, and a few cells wrong. Another reason is that the receiver card is damaged, the network wire is loose, the power supply for the receiver card has problems causing color loss, wrong color in an area on the screen.

- How to fix:

• When detecting that the screen has lost color or the image is wrong in some cells, plug the cable back into the module and the receiver card or the module with the module. If it doesn't fix it, replace the cable with a new one.
• When the screen loses color, wrong color in an area, please reconnect the network cable or check if the power supply to the receiver card is still green, if not, you should change the source, if it lights up but the screen doesn't turn on, replace it. New receiver card. However, replacing the card requires someone with experience and expertise in LED screens. When replacing, it is necessary to have the right type, correct configuration and careful installation, the new screen can work as before.

9. Sound does not come out

Manifestation: Plug the audio cord into the laptop or PC but no sound on the speaker because the default audio output source has not been selected on the computer.

How to fix:

Step 1: On the laptop device, select Settings

Step 2: Find Sound and select Sound Setting. Then, select the devices in that box until the sound

Customers wishing to rent LED screens, quality event equipment - prestige - cheap in Ho Chi Minh City, please contact HSV Media with the information below:

• Address: 184/20 Le Dinh Can, Tan Tao Ward, Binh Tan District, HCMC
• Hotline: 0362.209.208 / 0918.989.560
• Website: hsvmedia.vn