TBS1072C Black Screen

My TBS1072C would only boot up until the black Tektronix screen and wouldn't go any further. I have tried restarting the unit several times, but the problem persists. Do you have any suggestions on how to resolve this?

Hello,

Please contact service and send the scope in for repair.
Tektronix/Keithley Repair/Calibration:
Web: https://www.tek.com/rma-request
Email: rmarequest@tektronix.com