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E6420 e port plus with multile monitors
When I got my E6420 and e port plus, I was able to connect to 3 external monitors (2 DVI, 1 VGA) and use the LCD on the laptop as an extended desktop. Yesterday when I booted the laptop, it appeared to re-install the video driver for some reason, and now I can only connect to 2 monitors. Does anyone know what needs to be done to get all 4 of the monitors to work again? From what I can tell, the same driver was installed for the video card (Nvidia NVS 4200M).
Thanks in advance.
travis.johnson1
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August 31st, 2012 08:00
E6420's will only drive two displays. So you can use two exteral monitors on any interface or one external + the internal LCD display. If you want to use a 3rd display you need to buy a USB video adapter like the Display Link ones or there are a few vendors that actually make a completely usb powerd/driven external monitor but they don't seem to be as feature rich as a standard monitor.
I don't think it is driver releated, I think its a hardware limitation.