Are you having issues making the most out of your LED display? If you can’t find LED display problems solutions to fix your screen, this is the right place to go. 

LED screens became popular for its vibrant images and catchy aesthetics. The seamless splicing of the device also adds to the edge of the screen, along with other benefits you can get from using it like flexibility and energy-saving. 

LED displays can seem too technical to handle but if you look at them in a simple way, they only consist of the following parts:

• Display (Lamp part)
• PCB or circuit board
• Controller

Just like any other device, LED displays can get problematic when issues start cropping out of nowhere. It’s absolutely necessary to know more about these parts and how they interact with each other to be able to solve some of the technical issues you have on your screen. Here are some of the LED display problems solutions you need to learn.

1. Why is there something abnormal displayed on the screen?

One of the most common LED display problems users experience when using the advanced screen is when part of the cabinet display looks abnormal. What are the LED display problem solutions when dealing with this issue? 

With abnormal-looking displays on the screen, the LED control card or power supply is usually the culprit. Look into the status of your receiver card. There’s a high chance you’d need to replace the receiver card to get the device operating normally again. 

2. Why does my LED display have a long dark bright red strip with no input signal? 

If you see a long dark red strip on your LED screen and notice that the input signal is missing, it is one of the LED display problems solutions you can resolve with a special tool. In this case, if you have a hot air gun at home, position it along the area of the LED module where you can see the dark red shade. Usually, the hot air will do its job and fix the problem. 

If it doesn’t get fixed, try checking out the condition of your drive IC. Another reason why this issue cropped up is a damaged drive. Take it out and replace it with a new one. 

3. Why is there a horizontal line on my screen?

The problem where horizontal lines are seen on the screen is another issue on this list of LED display problems solutions. In this issue, there are two possible situations causing the horizontal lines to appear, including the following:

• The cable in the affected row may be loose – tighten the cable ‘
• The power and data connector is damaged – replace it with a new one

If the horizontal lines remain even after you’ve checked these parts, they might need the touch of a technical expert to be repaired. 

4. Why is my LED display not working and its sender card’s green light flashing?

If your screen is not working and you notice that the sender card’s green light is flashing, here are some of the possible causes you can look into:

• Network cable is not properly connected – Reconnect the network cable
• Malfunctioning sender card – Replace your old sender card with a new one
• Low power supply voltage – Check and make sure that the power supply is normal
• Not powered receiving card – Check and ensure that the DC output power supply is at 5 to 5.2 V
• Faulty fiber optic converter – Once you find out it’s faulty, replace the fiber optic converter with a new one

Are you still confused about these possible LED display problems solutions? If you really can’t pinpoint which of these causes is making your LED screen not work, contact your preferred technician and ask for help. 

5. Why is my LED screen flashing?

When one of your LED display issues is your screen flashing, there are two possible reasons for it, which are the following:

• Loose power cord – fix and put the power cord in the appropriate position
• Overlord of power supply – either add more or replace the one you’re currently using with something better or bigger coverage

6. Why is the green light of my LED display’s sending card not blinking?

How about if the send card light in your LED display is not blinking but your screen is still not working? In case the green light remains still and does not blink, these are some of the probable causes to consider:

• HDMI or DVI cable not properly connected – check the connection of each cable and tighten them properly
• The graphics control panel copy is not set or is in expansion mode – Set the graphics control panel into copy mode
• The sending card has issues – replace your sending card with a new one

Conclusion

LED display problems solutions can be simple to understand if you take the time to assess what each of the issues entails. However, it’s not unusual that you won’t solve the problem in one go like an expert. If the issue persists, it’s the best time to contact your favorite technician and let him do the job for you.