Why is my display turning off during boot?

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Original question quoted below. After some investigation, I have discovered that the issue lies with the i915 driver not being able to recognize a connection to the monitor on my HDMI port. I ensured the i915 driver is current, and it does work correctly on 4.3.5 but not on 4.4.4+.

This is the output from journalctrl from a 4.3.5 boot:

Mar 30 16:24:46 am3900g-u3802 kernel: fbcon: inteldrmfb (fb0) is primary device

Mar 30 16:24:46 am3900g-u3802 kernel: Console: switching to colour frame buffer device 160x64

Mar 30 16:24:46 am3900g-u3802 kernel: [drm:intel_opregion_init [i915]] ERROR No ACPI video bus found

Mar 30 16:24:46 am3900g-u3802 kernel: [drm] Initialized i915 1.6.0 20150731 for 0000:00:02.0 on minor 0

Mar 30 16:24:46 am3900g-u3802 kernel: i915 0000:00:02.0: fb0: inteldrmfb frame buffer device

This is the same output from a 4.4.6 boot:

Mar 30 15:38:37 am3900g-u3802 kernel: i915 0000:00:02.0: No connectors reported connected with modes

Mar 30 15:38:37 am3900g-u3802 kernel: [drm] Cannot find any crtc or sizes - going 1024x768

Mar 30 15:38:37 am3900g-u3802 kernel: [drm:intel_opregion_init [i915]] ERROR No ACPI video bus found

Mar 30 15:38:37 am3900g-u3802 kernel: [drm] Initialized i915 1.6.0 20151010 for 0000:00:02.0 on minor 0

Mar 30 15:38:37 am3900g-u3802 kernel: fbcon: inteldrmfb (fb0) is primary device

Mar 30 15:38:37 am3900g-u3802 kernel: Console: switching to colour frame buffer device 128x48

Mar 30 15:38:37 am3900g-u3802 kernel: i915 0000:00:02.0: fb0: inteldrmfb frame buffer device

Any ideas how to troubleshoot this further?

I have an Acer Aspire AM3900G-U3802 Desktop computer with an Intel GMA x4500 graphics chip. I have fedora 23 instaled, and the latest kernel I can successfully run is 4.3.5-300. 4.4.4 and 4.4.5 both have the same issue, which is this: When I boot the pc, I see the bios message, then the grub menu, then a blinking white cursor in the upper left hand of the screen, then the display starts searching for signal, then turns off. My assumption is that the kernel is not able to run the video card for some reason, so the display is turning off because it can't find a signal. I also assume that its a video card issue because when i was installing fedora 23, I had to use the nomodeset kernel option to get the live disc to run, then upon installation, I removed it, and it worked fine after that up until this point. Otherwise, I have been running fedora 23 successfully on this computer since it was released this last winter. What changed between 4.3.5 and 4.4.4 that would affect this?