Redmi 4X Display Light Problem Solution – Backlight Ways


Redmi 4X Display Light Problem Solution – Backlight Ways

In this post, we will show you the direct jumper of the Xiaomi Redmi 4x display backlight solution and backlight components that hold and control for the LCD screen display backlight to glow. If one of these components may become faulty due to wet or water damaged it will result in LCD’s backlight failure. Though the black screen problem on Redmi 4X is not a common issue, few owners of this phone reported that they were facing trouble with it.

Some users said that they found a solution after plugging the charger in while some others said that they had to run a few restarts to fix the black screen problem on Redmi 4X. Here we have narrowed down some solutions of the problem, and you can follow them in order to fix the same.

Following are some of the Redmi 4X display problems that you might encounter:


  • White Display
  • No Display
  • Lines on Display
  • Low Light on Display
  • No Backlight

Manual Solution

Manual Solution is basically only for low light and Backlight issue and in order to resolve that all you have to do is to go into settings and check for brightness (Remove the check on Automatic Brightness). For Backlight, check backlight settings and timings.

Hardware Solution

To fix the dark screen display problem, you may first try to replace or install a new Display screen module, to easily confirm if the LCD’s backlight LED’s were still working or already damaged. You can also check the LED’s using the multimeter if you can manage without damaging the LCD flex connector. If the newly installed LCD still shows the same problem and the LED light doesn’t light up, refer to the solution below and locate the highlighted components on the PCB board.

Read More:-  Repair Xiaomi Redmi Note 3 Pro Display Backlight Problem

Redmi 4X LCD Screen Display Problem Solution

Redmi 4X Display Light Problem Solution Backlight Ways


Redmi 4X Display Light Ways

Here are some hints on how to troubleshoot the Redmi 4X LCD display backlight not working problem.

” Note: Ensure that the Lcd is okay or try replacing it before proceeding”

1. Check the LCD pin connector for possible damaged, resolder if necessary.

2. Trace each of the LED + (positive and LED – (negative connection line paths down to the resistors where it is being connected.

3. Check the connected resistor, replace if found damaged.

4. Check the pin connector assembly and ensure to clean it as well.

5. Check the display filter resistors including the LCD supply voltage and trace the connection tracks to the LCD pin connector. Replace the damaged resistor or mind to reconnect if there is an open line path.

If you have further questions please don’t hesitate to leave a comment.

Note: Every repairing solution posted here is tested by at least one member of our team. Use the information available here at Your Own Risk. We are not responsible if any harm comes to your device during the repairing process.

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