Connecting to external monitors to a HP docking station.


I have an HP Elite notebook  in a docking station with two external monitors.  There is only one VGA port on the docking station.  I am unable to get the second monitor to work.  I bought a VGA Video Splitter Cable,  Both monitors now display the same thing and function as one monitor.  What do I need so that the two monitors can function as two separate monitors.  

As it is now, the laptop which has a small screen and one monitor function as two monitors.

The monitor that works is plugged into the VGA port on the docking station.  There is a VGA port on the computer, but it is not being recognized.  However, the mouse and printer work fine plugged directly into the computer.
moriniaAdvanced Analytics AnalystAsked:
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Joe Winograd, Fellow&MVEDeveloperCommented:
What model EliteBook?

But no matter what model, all EliteBooks that I have work fine with two monitors — some with three! I'm writing this email on an EliteBook 8460w in a docking station with three external monitors — and no extra video cards (I'm simply using the ports in the dock).

As you've discovered, a VGA splitter simply duplicates the image — not what you want. Furthermore, you cannot use both VGA ports — one on the laptop and one on the dock (they are actually the same port). The way to get two monitors is to use the VGA port and one of the other video ports, which on all EliteBooks that I'm aware of is a DisplayPort (other possibilities are DVI and HDMI, but on an EliteBook, it is extremely likely to be DisplayPort).

Here's an EE article about getting two monitors to work on an EliteBook 2540p even without a dock (works fine on a dock, as well):
Dual External Monitors on the HP EliteBook 2540p

I'm very confident that you can get two monitors to work on whatever EliteBook model you have — probably with nothing more than a DisplayPort to HDMI cable or a DisplayPort to DVI cable (depending on what connector your second monitor has — the one not using the VGA port). Regards, Joe

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moriniaAdvanced Analytics AnalystAuthor Commented:
Thanks for the info.  The laptop and monitors  belongs to my company.  There is no external CD drive so I think drivers need to be installed and I will have to wait for the IT to install.  We are not allowed to install software on the machine.
Joe Winograd, Fellow&MVEDeveloperCommented:
You're welcome — happy to help. You shouldn't need any drivers (or any software) beyond what's already in Windows. Once you have one monitor connected via VGA and the other connected via DisplayPort (or whatever the other port is on the dock), you should be able to run the Display applet in Control Panel, select "Disconnect this display" for the laptop screen and "Extend desktop to this display" for the two external monitors. Regards, Joe
moriniaAdvanced Analytics AnalystAuthor Commented:

I am embarrassed to tell what the solution was.  The docking station had two HDMI ports along with the respective cables.  I plugged them in the docking station and everything works fine.
Joe Winograd, Fellow&MVEDeveloperCommented:
Thanks for the update — glad to hear it was an easy fix! Regards, Joe
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