Changing Color Settings
In order to disable the color management in Photoshop you will need to adjust 3 settings: Profile Setup, RGB Setup and Preview.
Lesson 1 will walk you though the process. Follow it precisely because if you don't, the images will look wierd to you. The computer you are using may already be setup this way. If it is, then just examine the settings and check to see if they are correct. If not, then fix them. This change will only need to be made one time.