Cupertino giant Apple is the first company to mass produce the commercially available keyboard backlighting in laptops back in 2003. In fact, these backlit technology makes it easier to type during the dim light situation. As it uses low power LED, it won't affect the battery much if we use it at a reasonable level.
However, there comes a situation, where your backlit keyboard doesn't work or disabled for no special reason. If you are a MacBook user, you must have been through this at least once and here we have a few possible reasons for this occurrence. Today, we have come up with some simple solutions that might help you!
Adjust the Mac and Light sensor
There is few instance, where the surrounding light directly falls on the light sensor on the Macbook, disabling or locking the illumination indicator and controls. If that's the case, adjust you Macbook, so that the direct light doesn't fall on the display or anywhere near the front facing camera.
Control the key backlighting manually
If the above trick doesn't work, you can fix it by manually controlling the backlight controls. How do you do that?
- Open System preference from the Apple menu and go to the "Keyboard" panel.
- Uncheck the option saying " Automatically illuminate keyboard in low light".
In terms of manual control, you can adjust the lights by pressing F5 and F6 keys. Anyhow, just be aware that the lights will no longer adjust themselves.
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Reset the SMC
Is "Automatically illuminate keyboard in low light" option missing from your keyboard preferences? Then you need to reset the System Management Controller (SMC) to get back again.
The SMC hold the control over a variety of hardware options and system level power functions. However, this is the last and final step you should take, fi everything has failed you.