If you can not connect your phone to your computer, please go to the phone store to change a new USB cable. Then try with the new cable, and if you are still unaware of the instructions, you can try a software which can easily transfer your pictures from any phone to any computer.
![enter image description here](http://www.syncios.com/images/data-transfer/700xNxbackup-samsung-galaxy-s6-edge.jpg.pagespeed.ic.5qxM9AAoqd.jpg)