Corsair K70 CORE RGB TKL Keyboard Driver/Utility 5.39.77

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File size: 3.30 MB
Released: Feb 9, 2026
Downloads: Total: 7 | This Week: 7
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Corsair K70 CORE RGB TKL Keyboard Driver/Utility 5.39.77 - Description

What’s New:

- Added new Chronograph and Decision Coin widgets to Xeneon Edge
- Added Adjustable Over Current Protection Settings for when AX Series PSUs are operating in multi-rail mode

Bug Fixes:

- Fixed an issue where using "Disconnect this Display" in Windows Display Settings caused iCUE to disconnect from Xeneon Edge
- Fixed an issue for MAKR 75 where the hardware saving process was unable to complete and caused iCUE to crash
- Fixed an issue for MAKR 75 where quitting while saving an image caused a disconnection with the wireless receiver
- Fixed an issue for the Software Update tab where checked boxes are cleared after scrolling down and back up
- Fixed an issue for iCUE Installer where after installing a headset module, the restart required icon in the Software Update tab was lost
- Fixed an issue on Xeneon Edge where enabling display duplication in Windows caused the gyroscope feature to rotate both screens simultaneously
- Fixed an issue for Xeneon Edge where videos were not loaded in the correct resolution when set as the device background
- Fixed an issue for Govee (H610A) where adjusting the brightness bar did not affect the physical lighting
- Fixed an issue where selecting a device in the “Software Updates” list caused the page to scroll to the top
- Fixed an issue where the module list flickered when scrolling in the Software Update tab
- Fixed an issue where the "Blur" toggle for a Profile Image or Video in the Software Profile Settings did not work properly
- Fixed an issue where in iCUE Settings the dash was clickable
- Fixed an issue where the tooltip for the iCUE Settings icon continued to be displayed after mouse pointer was moved
- Fixed an issue for Xeneon Edge Calendar Widget where iCUE displayed incorrect text on some fields
- Fixed an issue for Xeneon Edge where iCUE would crash after using the "facebook.com" web URL and then duplicating it twice

CORSAIR iCUE is an ambitious undertaking that, when complete, will provide you with more monitoring, lighting, and fan control capabilities than ever before. We’re excited to ask you to join us in these early access stages to help us create the best software possible.

To install this package please do the following:

- Click the Download button and follow the steps for saving the package on your computer.
- Save all work in progress and close open applications.
- Note for .ZIP archives: Extract the file and enter the newly-created directory.
- Locate and run the available setup file.
- Allow Windows to run the file (if necessary).
- Read and agree with the License Agreement to proceed with the installation process.
- Follow the instructions displayed on-screen.
- Close the wizard and perform a system reboot to allow changes to take effect.

About Keyboard Packages:

Install the proper keyboard software and your system will be able to recognize the device and use all available features. This will also make it possible for owners to configure additional hotkeys.

In case additional keyboard accessories are connected, this step can also improve the bundle's overall stability and compatibility, as well as performance.

Therefore, if you wish to install this release, simply make sure that your computer OS is supported, save the package, extract it if necessary, run the available setup, and follow the on-screen instructions for a complete installation.

Bear in mind that, even though other platforms might be compatible, we do not recommend applying this software version on configurations running under OSes other than the specified ones.

That being said, if you consider applying the present version, download and install the package. Also check with our website whenever you can, in order to stay up to speed with latest releases.

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