SysMain' was draining my computer's background memory. Here's how to find the biggest culprits behind your sluggish PC.

After reading a Journal entry the other day on home automation using a Mac, I decided to give it a try, and further geekify my home. So I went and bought a starter kit, some light controllers, a few ...

When your PC is acting up, one diagnostic tool at your disposal is the Windows Recovery Environment (or Windows RE). Windows RE offers a series of functions to help you root out whatever is ailing ...

We’ve all been there - you’re working on a project or discover something interesting online, and your computer just isn’t moving as fast as it should. Slow computers can be caused by a variety of ...

Q: What preventative maintenance tasks should I be doing to help my computer run better? A: As with many other items in our lives, preventative maintenance is the key to avoiding expensive repairs ...

Realizing that your computer is infected with a virus can be a heart-stopping moment, but there's no need to panic. Viruses or other malware can have a devastating effect on your PC, slowing its ...

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Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...