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What are the reasons for the Buick Regal's central control screen not lighting up?

1 Answers

MacEden

07/30/25 7:03am

The reasons for the Buick Regal's central control screen not lighting up are as follows: 1. Poor line contact: It is necessary to promptly check whether the lines are loosely connected. If there is, it will naturally cause the central control screen not to light up. Just connect the loose part properly. 2. Aging power signal line: You can try replacing it with a new one. If the black screen is resolved, it means there is indeed a problem with the power signal line. 3. Module abnormality or design defect: The screen has been used for too long, causing the power supply module to malfunction, not only resulting in lag but also severe black screen phenomena. It may also be due to circuit design defects. However, problems like module abnormalities and design defects require inspection, repair, or direct replacement at a repair shop.

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