computers

This Video Explains What Coil Whine Is And How To Avoid It

You turn on your PC, start up a particularly taxing program, and then — you hear it. A high-pitched sound emanating from somewhere as if your ears are ringing. You’re not going crazy, it’s coil whine, and it can come from a number of components in your computer.


Premium Computer Fans Tested: Do They Keep Your Computer Cooler?

The fans that come with your computer are probably bland and cheap, so you may be tempted to buy something a little nicer. LinusTechTips tested premium Noctua fans to find out if they actually kept their computer cooler or quieter.


Keep Your Mac's Old RAM After Upgrading

Upgrading RAM in a computer is such an easy affair that most of us just do it on our own. If you’re on a Mac, you’re probably also upgrading your RAM from third-party suppliers. MacIssues points out that if you’re adding RAM from someone other than Apple, it’s worth holding onto it for a bit.


The Everyday Tasks Your Phone Does Better Than Your Computer

We’ve known for a while that your smartphone is a better PC than your PC ever was. It can’t replace everything your computer does, but there are some things that are actually better to do on your phone rather than on your computer.


Pick The Right MacBook Processor For Your Usage

MacBooks are great little laptops, and Apple offers a few different options to choose from. The Wirecutter likes the MacBook Air, but it also digs into the differences between the available i5 and i7 processors.


Five Best Ultrabooks

Whether you need a new laptop for work, school or play, an Ultrabook is a powerful and portable choice. Here are five of the best Ultrabooks on the market right now, based on your nominations.


How Hot Is Too Hot For Your Computer To Run

You probably know that heat is bad for your computer, and you might even know how to monitor its temperatures. But how hot is too hot? Linus from Techquickie explains in this video.


Ask LH: What's The Best Way To Purchase A Desktop PC?

Hi Lifehacker, I’m looking at buying a decent desktop PC ($1500 or so is what I have budgeted). It will store a lot of files (photos, movies, music) and be used to edit my home videos, but I have no need for it to be a gaming powerhouse. I’d also like an SSD for the operating system.


Ask LH: How Do I Know When To Upgrade My PC Or Just Build A New One?

Dear Lifehacker, My computer is getting a little old. I built it myself, but I’m not sure whether it’s worthwhile to upgrade individual elements like my processor or video card or whether I should just start from scratch and build a new rig. How can I tell when it’s time to upgrade and when I should start over?


The Performance Benefits Of Discrete Video Cards (Even For Non-Gamers)

If you’re a PC gamer, you know that upgrading your computer’s video card will give you the best gaming performance boost. PCWorld argues, however, that a discrete graphics card belongs in most people’s desktop PCs — not just gamers.