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Daisy Chain with M4800 and two Dell Monitors
My Dell m4800 notebook is connected with the E-Port Plus Port Replicator via a DP 1.2 cable to a Dell U2713H. This monitor is then connected via displayport out to a U2312HM monitor (using daisy chain).
The U2713H is set to use display port 1.2.
While I'm writing this it's working smoothly (apart the monitor numbers... the U2713H is set as monitor 2 and the first monitor is the U2312HM, is there any way to revert those?), but if I restart the PC the only way to get it work is to start PC with the Notebook LCD open, then close it and after suspension it works. Do you have any idea on how to solve this??! This is very annoying and it takes ages to start....
If you have any idea please let me know.
Thanks a lot in advance
mario
DELL-Chris M
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December 10th, 2015 09:00
The monitors simply receive whatever signal is being sent from the laptop. The fact that they function in a DP 1.2 daisy chain, means that the monitors are OK. The culprit is either the E-port or the laptop. Could possibly be the system chipset and video drivers. You should re-post this issue on the Laptop Video board to get assistance from other laptop users.