Problems with some laptops on a 5100MP Projector

Question

We have 5 5100MP projectors and on 2 of the 5 we have strange problems, on the 2 units, if you connect a laptop for example a latitude E4500 and use the F and screen change screen I think its F6 the screens will cycle on the laptop and projector but the projector will not do a mirror of the laptop screen. When i say mirror I mean both have the display, laptop and projector. I can have it on one or the other but not both, the projector will do extended desktop but not mirror. When I put the same laptop on 3 of the 5 projectors it works fine. The laptop has the newest Bios and video drivers installed. Anyone have an idea of what is going on?  ***Note, that some laptops work fine on the 2 units that wont work with the E4500 and a few other dell laptops.

Mini4x · Answer

I have several similar issues with these projectors!.  If you can connect it to your network check your firmware version I bet you have A1.40..  Not that this helps but I have two with 1.4 and 3 with 1.7 and the  1.4 ones ahvea ll sorts of issues.

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