Before you connect your hard drive to the TV, and especially before you spend hours loading it up with content, you'll need to make sure that it will work with your television. Check your user manual, or the manufacturer's website, to see what minimum specs you'll need to meet and then compare those to the hard drive you want to use. Many TVs will only support a hard drive of up to 2 TB, for example, so if you had a 4 TB drive you'd have to partition it into a pair of 2 TB spaces. Hard drives can also structure their data in a number of ways, so you'll need to know which file-systems your TV can support. Most TVs are fine with NTFS, which is how Windows 10 formats a disk by default. If you have a Mac or Linux computer you'll need to deliberately format your drive in NTFS, rather than the Mac's APFS or Ext4 on Linux. Your operating system's documentation can tell you how to do that. Connect Your Hard Disk to the TV Take a look at your USB connectors on th...