Alienbware X51R3 with S2716DG from Dell doesn't wake up from sleep mode

I recently bought a new Alienware X51R3 and Dell S2716DG Monitor. The PC happened a few weeks earlier from the monitor, and the system worked very well (and wake up from his sleep normally) on the old monitor.

After setting the new monitor (executed in a single monitor configuration) on the display port, the PC is no longer waking up from his sleep. I tried to update the driver for the monitor and turning off the monitor 'Deep sleep' works without success.

It worked fine with the previous monitor so I think that the monitor is most likely the culprit but haven't found a solution or work around yet. Power off the PC everytime I walk away from it or disabling sleep seems completely unnecessary.

The Dell Support program help hard locks - the PC every time I launch...

After a little violin, I was able to adjust the settings for PCI Express Link State Power Management from the command line with:

powercfg 381b4222-f694-41f0-9685-ff5bb260df2e 501a4d13-42af-4429-9fd1-a8218c268e20 ee12f906-d277-404b-b6da-e5fa1a576df5 0

Will test the sleep options and report.

Tags: Dell Peripherals

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