What could be the reason for the Buick Envision's display screen not lighting up?

1 Answers
Lilah
07/29/25 8:50pm
Specific reasons for the car's central control display screen not lighting up: Power supply abnormality: Check if the power supply to the display screen is normal. If the power supply is abnormal, replace the power supply module. Poor contact: Check if the cable connection is good. If the line connection is poor, promptly inspect whether there is a loose connection in the circuit, causing the central control screen to go black. Simply reconnect the loose part properly. Display screen damage: Check if the display screen is damaged. Replace the display screen for testing. If it returns to normal, the display screen is damaged. If the power supply is normal and the cable connection is good, check the video output signal from the motherboard.
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