The invention discloses an
exception handling method and device, equipment and a medium. The
exception handling method comprises the steps that a
file system of a target partition is monitored; when it is monitored that the
file system is abnormal, abnormal information corresponding to the target partition is recorded; in response to a starting operation of the vehicle-mounted terminal, when the abnormal information is recorded, formatting the target partition, so that a user terminal performs
data recovery on the target partition after acquiring the formatted information; wherein the formatting information is information representing that the target partition is formatted. Thus, the
file system of the target partition is monitored, the abnormal information can be recorded in time, and the formatting operation of the target partition is carried out after the vehicle-mounted terminal is restarted, so that the user terminal can carry out
data recovery based on the formatting information, the file
system can normally use the corresponding partition, the situation that the file
system cannot be recovered after being abnormal is avoided, and the user experience is improved. And the reliability and the restorability of the file
system are ensured.