Score a Fully-Loaded Gaming Laptop for $900

Been pining for a new gaming laptop? If you think a 4K screen, quad-core i7, 16GB of RAM, 256GB SSD, and NVIDIA GeForce GTX-860M will suffice, you can get one for $900 shipped. That’s...kind of crazy! [Lenovo Y50 15.6” 4k Gaming Notebook, i7-4700HQ, GTX-860M, 16GB RAM, 256GB, W8.1, $900] » 4/30/15 6:45pm 4/30/15 6:45pm

Save Big on One of Your Favorite Computer Speaker Systems

If you still listen to music, or any sounds really, through your computer's built-in speakers, it's time for an intervention. The Logitech Z623 speaker set was one of Lifehacker readers' five favorite computer audio systems , and it's within $10 of its all-time low price today on Newegg. [Logitech Z623… » 4/14/15 6:45pm 4/14/15 6:45pm

Five Best All-In-One Computers

If you're looking for a space-saving, powerful PC, and you either don't want to build or you're buying for someone else, an all-in-one computer is a decent bet. They come with everything you need to get to work, are easy to set up, and can be just as good as traditional desktops. This week, we're looking at five of… » 3/08/15 12:01pm 3/08/15 12:01pm

The Best Way To Recycle Your Old Gadgets

'Tis the season to get gadgets but what are you going to do with the one you've got? Folks will pay good money (or at least good karma) for your second-hand electronics. Here's how to hawk your legacy hardware online—or just give it away responsibly—and get an early start on next years Nice list. » 12/27/14 1:01pm 12/27/14 1:01pm

A Nest of Copper Foam Lets This Tiny PC Run Silently Without Fans

You eventually tune it out, but the constant whir of a desktop computer's cooling fans can take a toll on your psyche. It's like a buzzing mosquito that never strikes, and never stops. So the folks at a German company called Silent Power have created a compact desktop PC that trades noisy fans for a block of exposed… » 7/30/14 3:19pm 7/30/14 3:19pm

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 things 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? » 5/05/14 2:36pm 5/05/14 2:36pm

What computers see when they watch movies

When we watch movies, we pay attention to specific parts of the scene and focus on different actors and look at certain things on the screen. Most of what we see is influenced by what the directors want us to see, our attentions are easy to grab after all. So what if you showed the same movie to computers? What would… » 1/14/14 11:32pm 1/14/14 11:32pm

Razer's Modular Desktop Makes Building a PC Like Playing with Lego

Building your own computer is generally reserved for the hardcore, the devoted, the geeky. But with Razer's Project Christine, it's as easy as playing with Legos. Really big, actively mineral cooled Legos. Also it looks like a badass rack of rockets or something, which is cool as shit. » 1/07/14 3:12pm 1/07/14 3:12pm

Here's the Real Reason Why Virtual Reality Doesn't Work Yet

It's another blow for immersive virtual reality. University of California researchers have shown that even people with perfect eyesight navigate the world by relying on a lot more than what they see. Here's why VR won't really work until we go beyond visual cues and fancy treadmills. » 5/03/13 12:07am 5/03/13 12:07am