The latest data, from Digitimes Research (DR), estimates that global notebook shipments will slump by 17.5 percent in the fourth quarter.
The market research company believes that vendors are still cautious about demand, particularly in the consumer market. Enterprise sales are only likely to decline by a fraction of this figure.
DR said that Hewlett Packard is very cautious about shipments in the fourth quarter and is facing its own challenges in the move to splitting the company into two separate entities.
And Lenovo is not selling as many machines as it hoped to, either.
Apple appears to be still doing pretty well as demand rises for its notebook products with people shifting away from Windows machines, and 2-in-1 machines also seem to be bucking the trend.