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After the quality control check, both the hardware and software are tested rigorously for performance and compatibility issues.
Here you can see a batch of laptops being put through the paces. This is the most time-consuming part of the manufacturing process, lasting around 80 minutes.
The monitors on top of the cabinets show the factory workers how far along each system is in the tests, and if any problems have been detected.
Photo: Sylvia Carr