need help to fix

I need help with a few things, 1 the hdmi cord connected to the xbox works but doesnt show a thing but no signal on my laptop the second is that my internet is connected and most of the time it wont load anything the third is that when i download files or transfer files from my phone to the...

So when I turn on my subwoofer it’s from episode the only identifier I found was (es-sub-ele10-200) and play anything with bass especially at low volume it sounds like it scraping and it makes a whole lot of extremly weird noises and makes a huge amount of resistance on the cone yet as soon as...