A hard drive is the main component that the computer relies on. On the hard drive, the operating system is stored, also includes your pictures, videos, music, documents, etc. No operating system on...
yes adjust the jumper at the back of the drive. it's a white block. it between the interface connector and power connector. you also want to set it aswell in the bios.
You can copy the files to the external hard drive simply by dragging/dropping them from the folders on your internal drive to your external drive. However, if you want a complete backup of your...