So recently I tried to connect my Acer Aspire V 15 laptop into a screen using HDMI. The video worked, but the audio did not play through the tv speakers.

I tried...

different screen
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I fixed it! Turns out it wasn't the operating system at all. Apparently I had mistakenly installed a program called "cFosSpeed Internet Accelerator + Ping Optimizer" during my transition to Windows...

My interent on my custom desktop, as far as I can remember, has functioned fine for a long time now. However, after upgrading to windows 10 and having it around for a while, I noticed a sharp...

Well ok then! If you're sure then that saves me a big headache. Thanks. Let's hope I don't have to do all that in the first place and can enjoy the new OS.

Windows 10 was released today and I'd like to install it on my custom built desktop for testing. However, I would like to know if I can go back to Windows 7 after updating to Windows 10. I did a bit...