Q: The SD card disappears again and again.
A: The SD card disappears again and again, or is always unavailable.
It may happen that the SD card no longer works properly due to spelling errors. Then format the SD card via the WebUI or remove the SD card to format it on the PC.
IN-9008 Full HD SD Card Upgrade
IN-5907 HD SD Card Upgrade
IN-5905 HD swap the MicroSD Card