T540p / T440p + UltraDock + external display issues
Hello
I am having trouble with the t540p in the UltraDock.
I have a Setup with 3 screens:
-internal
-external on DVI
-external on DisplayPort
The more external are connected to the UltraDock.
I had the problem, that the external monitor on the blanks of DVI ports frequently (about every 15 minutes) for 2-3 seconds.
Less frequently (about once every 1-2 hours) all white external monitors for 5 to 10 seconds and you can hear the Windows sound in the speakers to disconnect and reconnect the devices.
Another anomaly is that when I use the t540p without the docking station (but a power supply connected) the screen fades until the "battery level" from time to time, I discovered (also only for a few seconds) and the battery symbol changes from "operation network" to "battery operation" so that the light is dimmed.
In this case the two power supplies (that comes with the t540p and that comes with the UltraDock)
Maybe these effects could be linked somehow?
Anyone of you knows the same problems or got any idea what could be the problem here?
Best regards
André
Tags: ThinkPad Notebooks
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Download EtreCheck from https://etrecheck.com
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Click the [Support] links to help with non-Apple products.
Click [details] for more information on this line.
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Description:
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