We thought there were some hidden sleep or powersave functions in the Device Manager, but all it lists is the 'default VGA adapter'. You'll return to a conference room to find that, after someone has shut a display off, the Dell machine is still on, but has stopped displaying. So, after our firm purchased many OptiPlex 9020s with Intel HD 4600 cards in them, we are having serious issues with the Display Port output:Įvery sleep and power management setting is tweaked for these machines never to go to sleep, never hibernate disks and never stop displaying, yet they invariably do stop outputting graphics, have no idea why.
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