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How Can I Diagnose and Fix My Slow Computer?
Dear Lifehacker, My computer's feeling a little sluggish lately and I want to boost its performance if possible. I see ads all the time for PC optimization programs, but they all look spammy. Are there any easy and reliable tools I can use to check my PC and tune it up? Thanks, Hoping for a Boost Title image by Jake Sumpter , utilizing a photo by Aaron Amat (Shutterstock) . Dear Hoping, Getting top performance out of your computer is definitely a Lifehacker challenge.If you use Google's Public DNS server or OpenDNS as your DNS server, you may notice starting today that YouTube videos load faster and other web content comes in quicker. If you're using your ISP's DNS server as the default, now's a good time to try Google's or OpenDNS. The reason behind the speed bump is that OpenDNS and Google are working with Content Delivery Networks (CDNs) to attach location data to the DNS requests, so when you request a web page, it will go to a server near you rather than, as previously mentioned possibly a server that's not closest to you.
How to Enjoy the New Web Speed Boost from Google DNS and OpenDNS
Dear Lifehacker, Everyone bickers about which browser is faster, but in my experience all of them eventually slow down after I've opened a few tabs and used them for a while. Whether I use Chrome, Firefox, or IE, my CPU spikes, the browser eats my memory, and it slows to a crawl. How can I stop this? Please Help, Need for Speed Photo by William Warby . Dear Need for Speed, That's the trouble with browsers these days-everyone argues over a few seconds of startup and rendering time, but eventually everyone winds up complaining about how slow they get with regular use.

