Here is the tested and working solution of Xiaomi Redmi Note 4 Lcd Backlight not working problem display light ways and display related issues in case you are going to troubleshoot display problem such blank display, dark screen display, white screen (with tones), No backlight LED that is resulted from due to wet damaged or accidentally dropped issues by the users.
The problem of damage with no backlight is often symptomatic like an LCD that has no display, the LCD screen becomes white. Or in general, there is no light produced by the LCD screen but the ringing and notification sound can still be heard.
What Is An Redmi Note 4 LCD or Backlight?
To start with, an LCD is the digital display interface of your phone, it is the interactive part where you see what goes on as you operate or tap on an icon, watch a video, play music or games, etc. When the LCD (liquid crystal display) is faulty or damaged, you one won’t be able to enjoy it as before. This is where the LCD backlight comes in, the backlight is a series of LEDs (light-emitting diodes) well arranged and suited in the screen layers to give illumination to the LCD screen.
Redmi Note 4 LCD Backlight Problem Solution
To fix the dark screen Redmi Note 4 backlight 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.
Redmi Note 4 Backlight problems that you might encounter:
- White Display
- No Display
- Lines on Display
- Low Light on Display
- No Backlight