I run a built-in Windows diagnostic tool and my battery stopped draining battery on the sleep mode.

A friend gave me a laptop to look at. About 90% of the time when you hit the power button the power led will come on and the fans will start up but nothing else happens. No beeps, no BIOS messages, ...

Forbes contributors publish independent expert analyses and insights. I am an investigative attorney and physical security specialist. If you purchase a computer with an internal cellular modem that ...