Troubleshooting night mode in Windows 10

Troubleshooting night mode in Windows 10

Important! The “Night Light” feature appeared in Windows 10 1809, before the option to adjust the temperature range of the screen image was not available. Therefore, we recommend updating your operating system to the latest version first so that the troubleshooting methods described in this article are up to date. We have a separate tutorial on this topic on our website.

Read more: Updating Windows 10 to the latest version

Method 1: Activate a feature

If your OS version is up to date, but night mode still isn't working properly, you should check your settings. It is possible that they are not configured correctly, causing the usual activation of "Night light". it does not work. There is a separate article on our website that is entirely dedicated to setting up the mode in question. Read the advice given there and only proceed to the following methods if they are not effective.

More information: How to activate and configure night mode in Windows 10

Method 2: Add an option to the notification panel

Some users are used to enabling "Night light" via the notification panel with a selection of quick action applets. However, due to inexperienced use of the computer or virus infection of the operating system, some icons may disappear, including the one responsible for activating the mode described in this article. If this is the case, it can be restored by editing the system settings.

    1. Use the shortcut key Ganar + I, launch the parameters window. You can also perform the same action through the menu "Start Menu. Open it and click on the pinion button.
    2. After launching the options window, proceed to "System"by clicking on the corresponding icon.

  1. Go to the tab "Notifications and actions"and then click on the link "Edit quick actions".
  2. In the expanded notification panel on the right side of the screen, if necessary, uncheck unnecessary applets by clicking the stationery button icon in the upper right corner.
  3. Then press the "Add". and in the contextual menu that appears, select "Night light"..

Now, after opening the notification panel, the desired icon to activate the night mode will be displayed in the selected place. You just have to click with the left mouse button.

If, after following the instructions, the function "Night light" worked for a limited time and then failed again, there is a possibility that the operating system is infected with viruses. Protection tools should be used to scan the operating system and, if a threat is detected, remove it. Third-party antivirus solutions are best suited for this, as the internal software has not prevented the penetration of malicious code.

There is a separate article on our website that discusses three ways to combat viruses in detail. Be sure to read it to remove the existing threat and prevent a new one from appearing.

Read more: How to remove all viruses from your Windows 10 computer

If the tools described in the suggested article cannot be used, other software can be applied. The way antivirus tools work is the same everywhere: you have to run a scan from the main menu, wait for a report, and if a virus is found, select the type of action to remove it. A selection of the most popular protection programs is offered in another article on our website, where you can also get a link to download them.

Read more: Programs to remove viruses from your computer

Method 3: Editing the registry

If there is a button in the notification panel, but there is no result after pressing it, the problem may be caused by misconfigured keys in the system registry. If this is the case, you will need to modify your settings. This process requires a lot of time and knowledge, so it would be more rational to use a pre-built script. You will have to create and initialize it yourself.

  1. Launch the app "Memo pad"For example, using the system search. Click in the corresponding area of ​​the taskbar and type your query. In the results, click the name of the text editor.
  2. In the window that opens, copy and paste the three lines of text shown below:Windows Registry Editor Version 5.00

    [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\CloudStore\Store\Cache\DefaultAccount\$$windows.data.bluelightreduction.bluelightreductionstate][HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\CloudStore\Store\Cache\DefaultAccount\$$ windows.data.bluelightreduction.bluelightreductionstate\Current]

    «Data»=hex:02,00,00,00,54,83,08,4a,03,ba,d2,01,00,00,00,00,43,42,01,00,10,00,d0,0a,02,c6,14,b8,8e,9d,d0,b4,c0,ae,e9,01,00

    Then open the menu "File". and select the option "Save as". The same action can be performed via hotkeys Ctrl + S.

  3. In the file manager window that appears, navigate to the folder where the file has been inserted. "Memo pad" the script – in the example this is "Desk".. Enter in the field "File name". see name "regScript.reg" (the characters that precede the period can be arbitrary, but not the ones that follow) and click "Save".
  4. Close the Notepad window and double-click the file you just created. In the dialog box that appears, confirm by clicking "Yes"..
  5. Allow the log file to initialize again by clicking "Yes".

If the function does not work correctly "Night light" The problem will be corrected in the registry.

Attention! To avoid problems with the registry in the future, it is advisable to clean it periodically. These measures will also prevent many related errors that can occur due to defragmentation and clogging of this system component. On our website there is an article that tells how to perform this procedure.

Read more: Clean the Windows registry from errors

Method 4: Activate system services

Incorrect operation of night mode can also be caused by disabled services "Network Connection Mediator" и "Connected Devices Platform Service". You should check their status and turn them on if necessary.

  1. Knock on the window "Task Manager".using the search function of the system. Enter a query in the corresponding field and click on the application of the same name in the results. Also read: Running Task Manager in Windows 10
  2. In the window that opens, click on the button "Read more"in the lower left corner. This will switch to advanced mode with additional features.
  3. Open a tab "Services" and click on the link "Open services".located at the bottom of the window interface.
  4. Search the list "Intermediary connection to the network" и "Connected Devices Platform Service". Right-click on each of them and select "Properties"..
  5. In the drop-down menu "Startup type". select a value "Automatic".. Then press "Run".and then "Apply", "AGREE"..

Attention! After completing all the steps in the instructions above, restart your computer for the changes to take effect immediately.

Method 5: Update the video card drivers

The operating system must have drivers for the video card, including the one built into the CPU, if any, to control the display. Firmware downloaded from the manufacturer's official website will be very effective. This will ensure that not only does the function work correctly "Night light".but it will also improve the performance of the entire computer.

There is a separate article on our website that discusses all the available ways to install the drivers. There you can also find how to search for proprietary software.

Read more: Update drivers on a Windows 10 computer

Owners of a discrete video card from NVIDIA or AMD should look for drivers on the official campaign sites. But this is not the only way to get the publisher's software product.

Read more: Update drivers for AMD Radeon / NVIDIA graphics cards

A workaround to find a video chip driver is to use the hardware ID, which can be found at "Device administrator"..

More information: Finding Drivers by Hardware ID

There is also stand-alone software developed by third-party studios to automatically find and install drivers on your computer. These applications do not guarantee the implantation of official software on the system, but they can help solve the problem if all the methods listed above have not been effective.

Read more: Software to update your computer drivers

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