Try the following and test after each:
On my Helix, the Realtek High Definition Audio driver dated 6/16/2015 version 6.0.1.7535 is installed along with an Intel(R) Display Audio. In the start up, following are loaded:
"C:Program FilesRealtekAudioHDARAVBg64.exe" /FORPCEE4
"C:Program FilesRealtekAudioHDARAVBg64.exe" /LENOVO_MICPKEY
C:Program FilesRealtekAudioHDARAVCpl64.exe -s
By disable these 3 start ups in the Task Manager then reboot, the mouse and keyboard runs smoothly with no jitters. No need to disable the sound drivers in Device Manager. There are no adverse affect on sound output in music or video playback.
Try the following and test after each:
On my Helix, the Realtek High Definition Audio driver dated 6/16/2015 version 6.0.1.7535 is installed along with an Intel(R) Display Audio. In the start up, following are loaded:
"C:Program FilesRealtekAudioHDARAVBg64.exe" /FORPCEE4
"C:Program FilesRealtekAudioHDARAVBg64.exe" /LENOVO_MICPKEY
C:Program FilesRealtekAudioHDARAVCpl64.exe -s
By disable these 3 start ups in the Task Manager then reboot, the mouse and keyboard runs smoothly with no jitters. No need to disable the sound drivers in Device Manager. There are no adverse affect on sound output in music or video playback.