 However, when the procedure is undertaken, Holly discovers that due to a miscalculation her IQ is now more than double her original score but that she has a life expectancy of three minutes.As a result, the ship's computer shuts herself down to preserve life, putting "Red Dwarf" onto back-up power as a result.Without power, Lister, Kryten, Arnold Rimmer and Cat are forced to operate on basic methods, including journeys of five days to and from the cargo decks.