HUD Randomly Disappearing

Hi guys, for some reason my HUD only works some of the time. I’d say it’s about 50-50, where my HUD usually works but just sometimes disappears. Pressing Tab affect my screen but the actual overlay just doesn’t come up. Does anyone have any idea? Did they introduce a new key I’m pressing that might be doing it I don’t know of? Show HUD is definitely ticked in my settings.

[editline]14th September 2015[/editline]

Never mind, I found the answer. Num * (My Push to Talk) Is the default button to turn on/off HUD now.