Some users may experience issues when casting to a Chromecast device with their Killer Wireless-AC 1550. You can resolve this problem by following these steps:
- Click Start
- Type cmd and right-click Command Prompt and click Run as administrator
- In the Command Prompt window, type netsh and press Enter
- Type interface and press Enter
- Type ipv4 and press Enter
- Type or copy and paste set subinterface “Wi-Fi” mtu=1458 store=persistent and press Enter
- Close the command prompt window and test