When contacting the helpdesk, please be prepared to provide the following information:

  • Your name
  • Student ID number
  • Your course name, number, and section (i.e. ENG 111 TC)
  • Instructor name (if known)
  • Internet browser version
    (i.e. Internet Explorer 7)
  • Your Internet Service Provider (ISP)
  • Complete description of the problem and any error messages you have received

Technical Support

Support is available to all SinclairOnline students with computing, portal login, ANGEL access, and other system-related questions.

For class-specific academic support, please contact your instructor directly.

Sinclair Helpdesk

Phone: (937) 512-4357 or 1-866-781-4357 (toll-free)
Helpdesk Website:
Online Helpdesk Ticket: (24 hour response time)
Hours of Operation: Monday–Sunday:6 a.m.–midnight (EST)

Helpdesk Resources

Angel Tutorials

Helpdesk Knowledgebase