Mini series 3 not putting monitor in power save

I have a T510 with a Mini Dock Series 3.

Everything works as planned, except when you are using DisplayPort between the dock and my Dell monitor, the monitor will not go into saving energy. When it is connected directly using DisplayPort, the monitor will be able to register without problems, every time.

This problem occurs for the shutdown, Hibernate and sleep. The only time where energy saving working properly is in standby. Wake on LAN and the other suspects usual, that all seem to be set correctly.

Most often, after its judgment (etc.), the screen displays "power saving", turns off for about 10 seconds, him returns with the message "cable not connected" (which means no energy saving).

Everyone knows this?

Or, in other words, someone else monitor the work of energy saving as expected with a Mini Series 3?

My solution for the T510 must use DVI on my Dell 2408, since to my Dell 2408 DisplayPort has failed.

I looked at the dock when Windows is shut down and after that the T510 stops, 10 seconds later, the dock lights up briefly and the monitor on.

When bypassing the dock and direct connection on DisplayPort, Dell behaved very well

I have concluded that implementing Dell of the DisplayPort power saving function was not compatible with the dock, or at least with what the dock was 10 seconds after the end of the window. I have no idea why the dock does this, but I bet there's a good reason, otherwise... Why do.

My guess is that your problem is similar, that is your monitor ' implementation of DVI power saving is not compatible with the behavior of sending power station about 10 seconds after stopping.

Maybe take a look and see the sequence.

Tags: ThinkPad Notebooks

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