ashippen
1 Copper

RE: Latitude E7440 black screen after undock

Try the following:

Windows Key + R> type "powercfg.cpl"> Choose what closing the lid does>When I close the lid: Do nothing (select this option for both on battery and plugged in)> Save Changes

Or navigate to the control panel via the start menu>Hardware and Sound>Power Options> Choose what closing the lid does>When I close the lid: Do nothing (select this option for both on battery and plugged in)> Save Changes

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