Why are there so many vertical/horizontal stripes on my display?

A: Attendance machine screen is damaged, please contact SVANTTO after-sales technical department for maintenance.

After-sales technical department：

Email: support@svantto.com

Tel：+1 403 477 1911 8:00 - 17:00 (PT)

WhatsApp：+86 153 6009 8620 9:00 - 18:00  (UTC+8)