Then the screen went black again. The green light on the tower flickered once, twice, then turned amber.
He was about to give up and call IT when the cursor suddenly jumped downward, leaving a single, crisp line of green text in its wake. maintenancetool.exe
Checking memory integrity... CORRUPTED SECTOR DETECTED. Checking disk volume... FRAGMENTATION CRITICAL. Checking user permissions... OVERRIDE UNAUTHORIZED. Then the screen went black again