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Jose OlsonAug 31, 2025
How to fix Flash corruption detected by SBIOS on Dell Laptop?
- MMichael WardAug 31, 2025
If your Dell Laptop detects flash corruption via SBIOS, press the power button for over 25 seconds to perform an RTC reset. If the problem persists, replace the system board. Alternatively, disconnect all power sources (AC, battery, coin cell) and drain flea power by pressing and holding down the power button for 3-5 seconds to ensure all power is drained.