The ornamental design for computer folio having protective foldable cover with integrated display screen and writing surface portions, as shown and described.
The FIGURE is a perspective view of the computer folio having protective foldable cover with integrated display screen and writing surface portions showing the new design in the open configuration with a computer keyboard and display screen mounted to the left-hand portion of the cover housing and a paper tablet mounted to the right-hand side, the computer keyboard and paper tablet are shown for illustrative purposes only and form no part of the claimed design.