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Michael StrongSep 23, 2025
What to do if Dell Latitude 5000 LCD Power rail test fails?
- JJonathan AndersonSep 23, 2025
If the LCD power rail test fails on your Dell laptop, check the battery status LED. If it flashes an error code [2,7], ensure the display cable is properly connected. If the battery status LED flashes an error code [2,8], replace the system board.













