Fix: Windows x brightness not working [Complete guide]


Milan Stanojevic

Milan has been enthusiastic most PCs ever since his babyhood days, and this led him to take interest in all PC-related technologies. Before joining WindowsReport, he worked as…
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  • Adjusting the effulgence of your computer is not working in Windows 10 if there is an upshot with the brandish driver.
  • When the Windows effulgence is non changing, cheque the power options settings.
  • If you have bug with the display settings for your system, you can try to alter a registry.
  • When your laptop brightness can’t be adapted, make sure to have your drivers up to date.

Download Driver Adjust Screen Brightness Windows 10


Brightness issues on your computer are normally associated with brandish drivers, and other power settings, which you may or may not be aware of.

If Windows won’t let you lot conform effulgence on your PC or laptop, these are the first 2 areas to bank check for as well trying the usual mutual fixes such as restarting your computer or updating Windows.

While updating Windows will work to install the latest drivers that could exist awaiting on the updates tray, there are other solutions you can try that are listed below.

But first, let’southward quickly review some common scenarios that usually accompany bug related to Windows 10 brightness not working.

Why is my screen effulgence not changing?

  • Windows 10 brightness not working after update
    (While keeping your OS upward to appointment is always a skillful idea, it’southward not uncommon for updates to trigger malfunctions and organisation errors. If
    problematic updates are causing display problems, you might want to revert them.)
  • Windows ten brightness not working after slumber
  • Laptop effulgence is not working
    (You can apply the below solutions for whatsoever blazon of laptop, such as Asus VivoBook/ZenBook, HP, Lenovo or Dell when the brightness is not working. However, keep in mind that every model of laptop is different.)

  • Effulgence option may non be bachelor at all
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Many complain about the Windows ten brightness slider not working, just there is more than to it.

While the
Windows effulgence slider tin can be missing

or deport erratically, you lot can simply equally well deal with brightness keys, buttons, or even display settings that won’t allow you to accommodate the brightness level on your screen.

How do I ready Windows brightness non working?

one. Update the display adapter drivers

  1. Correct-click Start and clickDevice Managing director.

  2. Aggrandize
    Display Adapters.

    display drivers Windows won’t let me adjust screen brightness
  3. Right-click on the Brandish Adapter listed and click on
    Update Driver Software.
  4. Select the pick toautomatically search for the updated commuter software.
  5. Restartthe computer after it’s updated and verified.

You tin also try and go the latest drivers from your computer’s manufacturer website and download and install the latest display and chipset drivers.

Install the appropriate drivers missing from your laptop that can cause the brightness adjustment problem. If this does not piece of work, we recommend trying a 3rd party driver updater.

is ane of our acme recommendations when it comes to updater software. Information technology is very lightweight and easy to use.

The tool
volition bear witness exactly what drivers need updating. You’ll have both the choice to update several drivers at once, if needed, or cull the
Updatebutton next to each commuter.

It is designed to do the whole commuter downloading and installing chore instead of y’all. This is the best way to avoid permanent damage to your PC by getting the right driver versions.

Along with updating, DriverFix can also find whether yous have damaged drivers on your PC and automatically fix them.

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2. Enable adaptive brightness

  1. Get to the Windows search bar and blazon
    Control Console.

  2. Select
    Power Options.

    power options control panel Windows won’t let me adjust screen brightness

  3. Click the
    Change plan settings
    link side by side to your current power plan.

    balanced power plan screen brightness not working windows 8
  4. Click
    Change advance power settings.

    change advanced power settings how to adjust brightness in windows 7 pc

  5. In the new window click
    to open up the listings under it.
  6. Discover and click each of the following: Display brightness, Dimmed brandish brightness, and
    Enable adaptive effulgence.
  7. Alter each of these to the desired settings.
  8. Click
  9. Click

A feature of the Windows operating system, adaptive brightness uses an ambient light sensor to automatically adjust a display’s effulgence to the environment.

On the contrary, if this pick is already enabled and you wish to get rid of it, we have a few tricks for when the
Adaptive Brightness won’t plow off.

3. Enable the PnP Monitor commuter

  1. Right-click on Showtime and select
    ce Manager.
  2. Click

    device manager monitors Windows won’t let me adjust screen brightness

  3. Right-click on
    Generic PnP monitor
    to encounter if it is enabled.

    generic pnp monitor screen brightness not working windows 8
  4. If not enabled, click
    Enabled device. If information technology is enabled, disable information technology.
  5. Click on the
    Action tab
    at the top card of Devices Manager.

    action menu device manager how to adjust brightness in windows 7 pc
  6. Select
    Browse for Hardware Changes.

    scan for hardware changes can't adjust screen brightness

  7. Run the scan.

PnP stands for plug-and-play hardware devices, that piece of work without having to install a driver. Y’all consider it the generic commuter for the display that will automatically become installed past Windows.

4. Update the registry

  1. Right-click on Outset icon and type
    Windows 10 can't sign in with Microsoft account something went wrong

  2. Click on it to open up.
  3. Become to


  4. Select
  5. Get to
  6. Click
  7. Select the below registry and set
    DWORD’south value data to

    0000ffff: Class{4d36e968-e325-11ce-bfc1-08002be10318}000

If you’re still unable to
suit the effulgence on your laptop, try updating the registry. Back up the registry before you modify it, then restore it if a problem occurs.

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This solution contains steps that are part of modifying the registry. Please note that serious problems may occur if you lot do this incorrectly. Ensure you lot follow these steps correctly, and advisedly.

If your screen is faulty, updating your drivers won’t solve the problem.

However, yous should be able to solve the Windows 10 brightness not working issue if there is no hardware failure involved. Make sure to try out our tips and let united states know if your screen is ready to shine again.

Often Asked Questions