To open the screen lid, simply highlight the very top of the lid and rotate to any angle. All parts of the screen lid are linked and rigged to rotate together. See pics.
Only the 3ds max file has the textures already applied to the model. All other formats do not but all jpeg textures are included with the download and must be applied to this model within your modeling program. All formats are uv mapped and all textures should fit correctly when applied.