The text inside the \parbox isn't showing up on the compiled pdf. What is the solution to this problem?
Best regards from Sweden.
\documentclass[11pt]{article}
\usepackage[margin=2.5cm,a4paper]{geometry}
\setlength{\parindent}{0em}
\usepackage[T1]{fontenc}
\usepackage[english]{babel}
\usepackage[utf8]{inputenc}
\begin{document}
\parbox[h!][\textheight][t]{\textwidth}{
\parbox[h!][\textheight][t]{0.17\textwidth}{
\vspace*{0.075\textheight}
\hspace*{0.15\textwidth}
\rule[\textheight]{1pt}{0.85\textheight}
}
\parbox[h!][0.85\textheight][t]{0.76\textwidth}{
\vspace{12em}
{\huge Assignment report} \\[0.1cm]
{\Large{EDA331, Computer Systems Engineering}} \\[0.8cm]
{\Large \bf Optimizing Hardware and Software \\
in Scientific Computing} \\ [1cm]
{\Large Ali Mohamed \& Ali Mohamud\\
almoha@student.chalmers.se |
almoh@student.chalmers.se \\[0.8cm]
\today}
}}
\end{document}

\parboxes and rather describe what you are trying to achieve: do you want to insert a frontispiece? – GuM May 07 '17 at 00:06