Mkey Support Now
Modern keyboards include extra keys for volume, media playback, brightness, and launcher shortcuts. While Windows/macOS handle these out-of-the-box, Linux requires proper key mapping and daemon support.
You open Task Manager and find a process named MKey.exe or MKeySupport.exe consuming 25-50% of your CPU. This indicates an infinite loop or a driver deadlock, often caused by a conflict with modern gaming software (e.g., Razer Synapse, Corsair iCUE). mkey support
If you actually meant as in a specific hardware key (e.g., on Lenovo ThinkPad or Dell Precision mobile workstations for accessing BIOS/recovery), or M.2 Key support, let me know and I’ll adjust the write-up. Modern keyboards include extra keys for volume, media
After uninstallation, your keyboard will still function for typing. The Windows logo key, volume mixer (if on a laptop), and basic F1-F12 functions will remain intact. Only dedicated "launch" keys will stop working. This indicates an infinite loop or a driver
Install playerctl and keyd :
Run showkey -s or evtest to see if the kernel receives scancodes.