How-to: Change the SteelSeries Apex 9 TKL Switches Related Searches Apex 9 TKL OptiPoint Optipoint switches Hot swappable optical switches SteelSeries We recommend calibrating your keyboard after swapping out the switches. Need help calibrating your keyboard? Check out this FAQ here. For more help with your keyboard, contact support here. Related articles Does the Apex 9 TKL include a switch puller? Prism - Early Access Apex 7 / Apex 7 TKL Features & User Manual Can I lube and modify my Apex 9 TKL? How do I configure lighting on my Apex 9 TKL?