Is a Blown Fuse Usually the Cause When the Navigation Screen Doesn't Light Up?

[VonAdrian]

When a car's navigation display screen doesn't light up, it could be due to a blown fuse. Key considerations: 1. Other possibilities: Check whether the navigation device's software is genuine or pirated. Pirated software may cause compatibility issues, requiring reinstallation of genuine software to resolve the problem. 2. Navigation device issues: After upgrading the navigation device, some problems may arise, primarily because the original hardware may not fully support the new software version. In such cases, it's necessary to contact the manufacturer promptly to replace the navigation device unit. 3. Multiple data sources: The map database for in-car navigation systems comes from various sources, with the primary one being street databases provided by municipal government agencies. For a high-quality in-car navigation system, the quantity of maps, their accuracy, and the timeliness of data updates are all crucial factors.