MSO2024B Scope doesn't power on

My MSO2024B doesn't power on. The screen flashes briefly, then nothing.

Please contact Tektronix service team directly. Below you can find the contact information for our Service Department and someone will be happy to help:
Tektronix/Keithley Repair/Calibration:
Web: https://www.tek.com/en/service-quote
Email: rmarequest@tektronix.com
Calibration services for all other products:
Web: https://www.tek.com/fastquote
Email: mvs@tektronix.com