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Austin StewartSep 23, 2025
What to do if Dell Precision 3570 LCD Power rail test fails?
- SScott MooreSep 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.














