I have a problem with my Samsung NP700Z3C-S02 laptop after installing windows 10. I have not been able to use the fn-keys or turn on the backlight in my keyboard. I have tried searching for the problem, but the only solution i found was to install the program: Samsung Settings.
This issue mainly occurs on Windows 10 but do not worry as we will help you out. Read the blog thoroughly and learn how to fix the laptop backlight issue. Adjusting the keyboard’s backlight. Note: the screenshots below come from Windows 10, but the fixes also work on Windows 8.1 and Windows 7. Fix 1: Re-enable your laptop keyboard Your Toshiba laptop keyboard may have been accidentally disabled, and that’s why your Toshiba laptop keyboard is not responding or typing at all. Update the operating system's motherboard and power manager driver, if the keyboard backlight not working on laptop, it is recommended that you use 'sfc' to scan and repair system files that may be damaged. Run sfc in Windows 10: 1.Boot your system. 2.Press the 'Windows' key and open the 'Start Menu'.
Summary :
Keyboard backlight not working on Windows/Mac is a common phenomenon. That makes many Windows and Mac users confused. However, you don’t have to worry about it now. In this post, several solutions will be offered by MiniTool. You can select one according to your demand.
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Backlight keyboards refer to the keyboards illuminated with some LED. It provides better visibility for you and enables you to type words even in a completely dark room. The backlight keyboards feature has been widely applied to Windows and Mac.
However, various reasons like bad software updates or hardware issues cause keyboard backlight not working. Here are some solutions for you to fix keyboard backlight not working. You can try them one by one until you solve the issue.
Solutions for Windows
Solution 1: Reboot Your Computer
Generally speaking, rebooting computer can solve many common issues. Turn off your computer and take out the battery. After a few seconds, put the battery back and reboot your computer. Then check whether the keyboard backlight not working Windows 10 is fixed or not. If this method fails to work, try another.
Solution 2: Uninstall the Changed Software
Before the backlight stops working, do you make any change to your software? If so, you should uninstall the software, and then check if the issue still persists.
Step 1: Open Settings, and then navigate to Apps & features.
Step 2: After clicking the software that has been changed by you, select the Uninstall option and then follow the screen prompts to uninstall the changed software completely.
Solution 3: Update BIOS and Chipset Drivers
You can also try to update BIOS and chipset drivers to fix the issue. Drivers with different versions may lead to such problems.
Read this guide to update your BIOS and chipset drivers now.
Solution 4: Change Windows Keyboards Properties
Backlight time-outs may cause keyboard backlight not working Windows 10 too. In this case, you need to change Windows Keyboards Properties.
Step 1: Open Ease of Access Center via search box, and then navigate to Keyboard.
Step 2: Then change the time of turning off the backlight in the Keyboard Properties window.
Step 3: Click OK to save changes and xit.
Solution 5: Uninstall the Latest Windows Update
Dell Keyboard Backlight Windows 10
If you encounter the keyboard backlight not working issue after installing the latest Windows Update. It is recommended to uninstall the update. Alternatively, if you created a System Restore Point in advance, you can restore your computer to the previous state.
Uninstalling the update in Settings as the picture shows:
High CPU usage is a common problem that happens to PCs. The latest Windows 10 KB4512941 update also leads to this issue, but you can find solutions to fix it.
Solutions for Mac
Solution 1: Check the Location of Light Sensor
First and foremost, check whether the light sensor is facing some light sources directly. If so, the automatic backlighting may not trigger. Hence, adjust the location of your light sensor. After that, check if the Mac keyboard backlight not working issue is solved or not.
Solution 2: Adjust the Brightness of Keyboard
When you set the brightness of keyboards to 0, you may also encounter the keyboard backlight not working issue. So, adjust the birghtness of the Keyboard with the following steps.
Step 1: Click the Apple icon at the upper left corner.
Step 2: Click the System preferences… from the dropdown menu.
Step 3: Select Keyboard from the given options.
Step 4: Uncheck Adjust keyboard brightness in low light box.
Step 5: Utilize the F1 and F2 keys to control the keyboard lighting level manually.
Solution 3: Change the Whole Keyboard Panel
If you spilled some liquid like water, milk, soup on the keyboard, your keyboard backlighting may fail to work. Here comes the need of changing a new keyboard panel. You can change it by yourself or send it to a Mac repair store. It is strongly recommended to select the latter option.
To change the keyboard panel, you need to buy a suitable replacement at first. Then prepare tools like screws, a knife, screwdriver and other tools. Next, turn off the Mac and take out the battery to change the panel.
Solution 4: Contact Customer Service
If all the above methods cannot fix the Mac keyboard backlight not working issue, you’d better contact customer service of your Mac to ask a favor. This is a direct and effective way.
All the solutions to fix keyboard backlight not working for Windows and Mac are provided for you. Select the methods according to your machine.
“Why is there no backlight on my laptop keyboard?” I saw a problem like this on some forums. Therefore, several solutions will be listed in this article, hoping to solve this problem.
Steps for How to Repair Keyboard Backlight Stop working
Step 1: Try pressing 'FN + Space' to turn keyboard backlight on or off (keyboard backlight shortcuts depend on the keyboard model). Normally, the switch of the backlit keyboard will have alight-emitting icon on the keyboard key, and the switch of the backlit keyboard light can be controlled by combining the FN.
If you still won't turn on the keyboard backlight, continue to the step 2
Step 2: If you encounter keyboard backlight not working after windows 10 update, this may be due to damage to the related system files or drivers. you need to download keyboard light driver and re-install the corresponding driver:
Keyboard Backlight Not Working Windows 10
Update the operating system's motherboard and power manager driver, if the keyboard backlight not working on laptop, it is recommended that you use 'sfc' to scan and repair system files that may be damaged.
Run sfc in Windows 10:
1.Boot your system.
2.Press the 'Windows' key and open the 'Start Menu'.
3.Type command prompt or 'cmd' in the search field.
4.From the search results list, right-click on 'Command Prompt'.
5.Select Run as Administrator.
6.Type the command into command prompt and press Enter: sfc /scannow.
Step 3: If you have Win 10 installed, try updating the ATK package and Smart Gesture drivers and see if this resolves the problem
- Find the driver and software page at the website
- Find the ATK installation package as your notebook model and operating system
- Download and install the ATK package
- Restart the notebook as prompted
- Press the shortcut key to test whether the keyboard backlight is not on.
Step 3: Remove the laptop battery and power adapter, press the laptop power button for more than 10 seconds, and then connect the battery and adapter to boot test.
Step 4: If the keyboard backlight not turning on, this operation can help determine the cause of the it
Press the F2 or FN+F2 into the BIOS when booting to the dell logo. Press the keyboard backlight shortcut to test.
If the keyboard light can be adjusted in BIOS, this shows that the related hardware of the keyboard backlight is no error. If in the BIOS, keyboard backlight is not on or unable to adjust, indicating that there is a problem with the laptop keyboard. Maybe you need to change the keyboard or cable in order to fix keyboard backlight issue.
There is also a tip you can try, there will be a restore or default button in bios, you can try this. Since the BIOS is restored by default, some hardware will be reset, which can solve some hardware failures due to special circumstances.
Step 5: Reset Windows to fix keyboard backlight not working in windows 10
Since this method will affect laptop data,it is recommended when all the above tests cannot be solved the problem that enable the keyboard backlight.
Reset Windows 10 laptop:
Reset Windows 10 is easy, thanks to a built-in tool for resetting a PC. Open the 'Start' menu and select 'Settings'. Now select 'Update & Security' and you can see 'recovery',click 'get started' under 'reset this pc'. Then there may be some inquiries and prompts to be determined, follow the prompt steps.
Step 6: Light of the keys or the ribbon cable for the backlight has gone bad
If no app inside windows settings for keyboard backlight or ASUS backlight control setting can fix it. They if you really want the backlight back I’m fairly certain you can find the keyboard replacement for your laptop on ebay/GEMWON and follow a youtube video how to replace the new keyboard youself and cheap.
Summary:
Usually, the main reason why the laptop keyboard backlight does not work is that the driver is damaged. It usually happens after system update. In addition, the hardware fault of the laptop keyboard is also one of the reasons why the keyboard backlight does not light up. You can buy a professional laptop repair keyboard at GEMWON to save your keyboard repair costs.
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