Have you ever had that sinking feeling that something’s not quite right with your computer? Maybe it’s running slower than usual or there are new icons on your desktop that you don’t recognize. Well, ...

The AI gold rush has sent demand—and prices—for computer memory shooting skyward. Here’s how to size your PC’s RAM the smart way for real-world use, whether you're scoping out a new system or just ...

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 ...

OK, not really, but here's the deal:<P>I live in Chicago. It's been hot & humid recently (temps of 90+ Fahrenheit, humidity in the 70s and above).<P>My computer room has no air conditioner and in the ...

The question of whether you should turn your PC off every time you're done using it or if it is okay to leave it running all the time has often been debated – with varying answers of many degrees over ...

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If your system struggles when you're trying to get your game on, Razer Cortex could well be the answer. This free PC optimizer suspends unnecessary system processes, clears out memory and defrags your ...

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 ...

Knowing how to record computer audio will always be greatly helpful, especially when you want to record podcasts, interviews, streaming music, audio calls, and more. This post will discuss some ...

The following content is brought to you by Mashable partners. If you buy a product featured here, we may earn an affiliate commission or other compensation. Credit: Mashable So, you want your PC to ...

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, ...