Hitachi is pulling out of the sale of personal computers, saying it wants to focus on larger network systems for businesses instead.
Hitachi had been Japan's eighth-largest PC maker
Analysts said the move showed Hitachi had been struggling to compete in a PC market dominated by US firms Dell and Hewlett-Packard and China's Lenovo.
Hitachi said it was now scaling back PC production at its central Japan plant.
The electronics group had been Japan's eighth-largest PC maker, with its main PC brand being Prius.
"We want to develop new computers for use in the broadcasting industry, which is becoming more digitised," said a spokesman.