Apex 300 Related Searches Apex 300 SteelSeries This device has reached its end of production. We may not be able to provide any troubleshooting steps. You are welcome to take a peek at our STORE and see what the new keyboards are up to! Related articles Apex 100 Apex M800 My keyboard is experiencing software issues Apex Pro/Apex Pro TKL Features & User Manual Apex Keyboard Reset