Why does my download speed slow down extremely in the course of the day and when I reboot my pc it's back to normal. My desktop is connected via ethernet cable. MBPro ...

That cheap Ethernet cable in your router box is why you're not getting the speeds you paid for — it is probably crippling your internet.

We may receive a commission on purchases made from links. If you're even moderately familiar with computers and networking, you've probably fiddled around with a cable that connects your PC or laptop ...