What is the reason for the Hongqi H5 display screen not lighting up?
1 Answers
Hongqi H5 display screen not lighting up may be caused by the following reasons: 1. Abnormal power supply: First check whether the power supply of the display screen is normal. If the power supply is abnormal, replace the power supply module. 2. Poor line contact: If there are no other problems, check whether the cable connection is good. If there is a problem, replace the cable. 3. Display screen damage: You can first check whether the display screen is damaged. Replace the display screen for testing. If it returns to normal, the display screen is damaged. If the situation remains the same, with normal power supply and good cable connection, check the video output signal of the motherboard and replace the motherboard for testing.