Cracking

Hello! I own an Acer Aspire vn-792g, had it for over two years now. I never had any issues with it before. About four months ago, a buzzing/sizzling started to appear from inside of the laptop, approximately from under the left side of the keyboard (HERE'S AUDIO). It's definitely not the...

I got both the amp and the speakers off Gumtree and the speakers have worked well for years now. The amp was bought as a backup for me to take to uni but when I play music I occasionally get a cracking sound, the amp will either reboot itself or stay powered but not connect to the speakers? Any...