Use this hub to choose the KNULLI guide that matches the symptom you can observe on an RG CubeXX. Start with the visible problem, then follow the linked guide for the full checks and fix.
Game and Library Discovery
- If a copied game is absent from the system list, use the KNULLI games-not-showing guide.
Storage and Userdata
- If a second SD card is detected but KNULLI is using a different userdata location, check the active storage selection.
BIOS Warnings
- If KNULLI reports missing firmware, verify the required BIOS file and folder.
Networking and Windows Transfers
- If the handheld will not connect or repeatedly disconnects, follow the KNULLI Wi-Fi troubleshooting guide.
- If Windows cannot open the network share, use the KNULLI SMB and SHARE access guide.
Scraped Box Art and Metadata
- If scraping finishes but artwork is missing, diagnose missing box art and metadata.
RetroAchievements and Save States
- If save-state loading fails while achievements are active, check the RetroAchievements Hardcore Mode restriction.