If you need to run a particular LiveUSB on your laptop where the Internet connection through Wi-Fi doesn’t work. I simply find it easier to attach a USB Wi-Fi nano adapter or a dongle. It doesn’t cost very much but be sure to make your Google search first before buying the particular adapter. Choose a stable adapter or dongle that works out of the box. If you make the LiveUSB persistent then you could with the backup dongle install a driver for the internal card if it exists.
I thought this could be valuable information for those taking the MOOC Introduction to Linux.