1. Contact the school or examination institution: First, you need to contact the TV University and examination institution as soon as possible to find out whether you can still take a make-up exam or reschedule the exam after the exam.

2. Provide relevant certificates: If you are unable to take the exam for any reason, you need to provide relevant certificates, such as sick leave certificates, work certificates, etc., to prove that you have legitimate reasons for failing to take the exam.

3. Apply to postpone the exam: If you are unable to take the exam for some reason, you can apply to the TV University or examination agency to postpone the exam. The specific time and arrangement of the postponed examination will be arranged according to your situation and the regulations of the examination institution.