Ctrl, Shift not responding after some time in V4

 From:  Michael Gibson
10187.6 In reply to 10187.5 
Hi Vitaly, also it looks like there is a factory reset function (may wipe your settings, be careful):
https://support.steelseries.com/hc/en-us/articles/360043313811-My-keyboard-is-experiencing-software-issues

- Michael