To understand why your Windows computer battery doesn't last as long as it used to, there are steps you need to take and possible ways to fix the problem.

Dell serves up long battery life and a touchscreen with its latest Precision 3800 laptop, which the company calls the “world’s thinnest-and-lightest” mobile workstation. The Precision M3800 ...

This laptop looks like a hulking desktop replacement, but its components and price say it's really a budget PC.