...they have to pay you. Whether you have something to do or not is not your problem. But then, the tech industry has successfully hosed labor law already (see "permatemp" and "the IRS loves to host stock option losers") so why not screw us over even more.
As doubtless everyone else will say a million times, computers taking that long to boot is a separate problem.
Getting the job done is no excuse for not following the rules. Corollary: Following the rules will not get the job done.