Display panel power rail built-in self-test (L-BIST)
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L-BIST (LCD Power Rail Test) is an enhancement to the single LED error code diagnostics and is
automatically initiated during
POST. L-BIST isolates if the LCD is receiving power from the system board. L-BIST checks if the system board is supplying power to the LCD by performing an LCD Power Rail test. If there is no power going to the LCD, the battery status LED flashes a
[2,8] LED error code.
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