This new feature, which will help your laptop save energy, is being tested by Windows 11.

This new feature, which will help your laptop save energy, is being tested by Windows 11.

Now, when plugged in, laptops and two-in-1s can use Content Adaptive Brightness Control.

What you should be aware of

The Beta Channel has just received Windows 11 Builds 22621.1537 and 22624.1537.

A long list of changes and fixes are included in the update, which also includes access keys for File Explorer, a brand-new developer tool for gathering live kernel memory dumps.

When the devices are plugged in, both builds also include the option to use Content Adaptive Brightness Control on laptops and 2-in-1s.

Windows 11 Update Settings

This week, Microsoft released Builds 22621.1537 and Build 22624.1537 for Windows 11 Insider Preview. While the latter ships have new features disabled, the former ships by default have them enabled. The File Explorer XAML context menu now has new access key shortcuts thanks to the update. Additionally, it introduces a brand-new feature that facilitates live kernel memory dump collection for developers.

Content Adaptive Brightness Control, which modifies a display or monitor based on what is displayed on the screen, is already supported by Windows 11. The objective is to strike a balance between visual appeal and power consumption. Now, the feature is compatible with plugged-in laptops and 2 in 1s.

If the user has access to Microsoft Edge, the Bing Chat experience will be displayed in both new builds when the search box is opened in the Taskbar.

File Explorer Access Keys

Access key shortcuts are now available in File Explorer’s XAML context menu. A keyboard user can quickly carry out a command in the context menu using an access key, which is one keystroke shortcut. The display name will have a letter that corresponds to each access key. We’re working to make File Explorer more approachable in this way. You can use File Explorer’s menu key to try this out by clicking on a file and pressing the menu button.

In Task Manager, create live kernel memory dumps.

To help with the collection of live kernel memory dumps (LKDs), we are introducing a number of new developer-focused Task Manager features. In addition to the current “Memory dump” for user-mode processes, this is also available. A kernel live dump’s objective is to collect information so that an abnormal situation can be fixed while still allowing the OS to run. When compared to a bug check for “non-fatal” but high-impact failures and hangs, this lowers downtime. For more information on live kernel dumps, click here (opens in a new tab).

Go to the Task Manager’s Details page, right-click on the System process, and the context menu should appear to say “Create live kernel memory dump file” to capture a Live kernel or Kernel stack memory dumps.

A specific location will be used to write the dumps:

LiveKernelDumps %LocalAppData%Microsoft Windows TaskManager

To view or modify the settings for live kernel memory dumps, visit the Task Manager Settings page.

On plugged-in devices, such as desktop PCs, Content Adaptive Brightness Control (CABC)

Users are already familiar with the Content Adaptive Brightness Control (opens in new tab) (CABC). In order to strike a balance between lower power consumption and better visual experience while preserving battery life, Windows 11’s feature will dim or brighten specific areas of displays or monitors depending on the content being displayed. Starting with this build, we’re allowing this feature to function on desktop PCs as well as laptops and two-in-1 computers that are plugged into a charger. This modification shouldn’t be noticeable to the majority of users and should cut down on energy use.

This feature can be changed by going to Settings > System > Display under “Brightness & Color” and selecting “Off,” “Always,” or “On Battery Only” from a drop-down menu. The default setting for battery-powered gadgets like laptops and two-in-1s is “On Battery Only.” This is by default turned off on desktop PCs. In order to make sure CABC is properly tuned, we encourage Insiders on laptops, 2-in-1s , and desktop PCs to try the “Always” option and provide us with feedback on its visual quality.


We have started rerouting some of the troubleshooters found under Settings > System > Troubleshoet and in other parts of an OS to the new Get Help problem-solving platform as a result of deprecating Microsoft Support Diagnostic Tool (MSDT) and MSDT Troublespotters (opens in new tab).

After a bugcheck, KbCallbackTriageDumpData BugCheck Callback Routine (opens in new tab) will now add virtual memory ranges to kernel-generated minidumps.

CHANGES AND IMPROVEMENTS IN BUILDs 22621.1537 and 22624.1537

Use the Taskbar to search.

A button in the taskbar’s search box will open the Bing chat experience in Edge once you’ve gained access to the new BING. The taskbar’s search box will have a dynamic search highlight button if you don’t have access. Not everyone will immediately notice this as we start to distribute it to Insiders.