here is my setup:

  • laptop: hp zbook 15 g2 , no docking station
  • acer k272hul (2560*1140)
  • dell p2311H (1900*1080)

the goal is

connect to both displays to to the laptop and run at max resolution. For this

  • the acer is connected via DP and
  • the dell (since only having DVI and VGA ports) with a VGA cable from laptop to dell


  • picture is blurry on DELL which is bothersome. (prio 1)
  • cable clutter (prio 2)


so i wanted to fix that and had the idea to connect the dell via the DP out of the acer but since the dell only has a DVI and VGA i'm using a DP to DVI cable.

unfortunately, the laptop (win7 + latest drivers) doens't detect the dell.

note, i covered the basics

  • the zbook suport daisy chaining
  • the acer support daisy chaining
    • the DP 1.2 is turned on
  • the DP to DVI works on its own
  • from what i have read DP -> DVI should work at the end of a daisy chain, but maybe not with these devices/cable?

question 1:

so anyone out there that was successful to daisy chain the acer with DP -> DVI ? or that can give tips to remedy the problem ?

question 2:

since sharp picture has higher prio than cable clutter:

  • any one there that has successfully used both, DP and thunderbolt ports (which also does DP according to the manual) to hook up 2 monitors?
  • how does this work and what needs to be looked out for, e.g. cables and devices?

i invested in the meantime into a 2nd WQHD display with DP 1.2. and that now is recognized. so daisy chaining with a DP2DVI cable aint working (with this hardware).

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