How we test laptops at ZDNET in 2026 ...

Laptops quietly monitor their own health, but most people never tap into the tools that can warn of trouble long before a crash or data loss. Built-in hardware diagnostics sit below the operating ...

Dan Ackerman leads CNET's coverage of computers and gaming hardware. A New York native and former radio DJ, he's also a regular TV talking head and the author of "The Tetris Effect" ...

ZDNET experts put every product through rigorous testing and research to curate the best options for you. If you buy through our links, we may earn a commission. Learn Our Process 'ZDNET Recommends': ...