What to do if the HOST indicator is unlit or red on Apollo 8?
- MMarcus NguyenAug 18, 2025
If the HOST indicator on your Apollo Other is unlit or red, check the Thunderbolt connections and ensure the Apollo software is installed. Try powering the Apollo Other off and on, then restart your computer. If the issue persists, reinstall the Apollo software or try a different Thunderbolt cable.