Tahlia S. wrote:
… when I put the USB into my PC to see whether it would play. The visual worked fine, but I couldn't hear any sound. …
Thanks for your excellent, very precise description!
Your workflow creates a .mov file - which, out-of-the-box a Windows based machine can NOT play (no audio, no video). It needs the free Quicktime-for-Windows plug-in.
soooo, that you DO see a picture tells me, there has to be something installed on that PC 😁
My first assumption would be, this installment is somehow kaputt.
I would suggest, as a first step:
• if optional, try your usb-stick on some other PC - does it work? audio? video?
• re-install the free Quicktime-for-Windows on your PC, http://support.apple.com/kb/DL837
another option is, following advice, I give in this user tipp
How to create a video for playback with Windows/XBox/PS3/… etc?