Dell Optiplex 7040m – black screen, no logo no POST, 3

Dell Optiplex 7040m – black screen, no logo no POST, 3 amber 6 white LED flashing error code repair

#Dell #Optiplex #7040m #black #screen #logo #POST

“Marcus Vidovich – Electronic Repairs”

Here is a Dell Optiplex 7040m Micro PC that has a black screen, no logo won’t POST and a continuous flashing error code of 3 amber and 6 white – the service manual states that error is a failed MNB (Mainboard) and to contact support but further searching says its an Intel Management Engine…

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