AVPro AC-MXMV122-UHD 4x2 HDMI Video Flux Matrix 155898342396 and screen backlight comes on

and screen backlight comes on but screen is blank

Manufacturer Deutsch Model Number MS3476W14-4P SKU 19-52079 Ref 23-72901

Includes Dial Push Pull Force Gauge

Manufacturer New Focus Model Number 9909 SKU 19-67912 Ref 23-97047

AVPro AC-MXMV122-UHD 4x2 HDMI Video Flux Matrix 155898342396 and screen backlight comes onCondition Used Description This item is fully tested and in excellent working order. Item will come with a 30 Day Warranty. Cosmetically in good condition showing minor scuffs scratches blemishes from previous use. Includes 4x2 HDMI Video Flux Matrix as pictured. No additional items or accessories are included. Unless pictured, no power adapter power cable included. Photos are of the actual unit for sale. Inventory is on hand and ready to ship. Please