This message was posted on behalf of Intel Corporation
Z_Z: Thank you very much for contacting the Intel® communities. We will do our best to provide the information you are looking for.
In reference to your question, I checked Acer’s web site and it shows that the processor on your laptop is the Intel® i7-6700HQ. Based on the specifications on our web site that processor works with HDMI 1.4:
In this case we recommend to get in contact directly with Acer, so they can confirm the above information and also to provide suggestions about what can be done to connect a 4K monitor to your unit:
Any further questions, please let me know.