• Profits, Not Conscience, Drive Green Efforts

  
  Everybody wants to go green--but business requirements will lead green IT strategies, Forrester says.

• Extend Your Wi-Fi Range With a Parabolic Reflector

  
  You can create a simple add-on for your router's antenna that will boost and focus the wireless signal. We show you how.
• Add a Second Hard Drive to Your TiVo
• When Windows Update Won't Update
• Six Hacks For Your Mobile Gear
• 12 Sly Web Tricks That Put You in Control
• Essential HDTV Accessories
• Microsoft Updates a Patch
• Five Insane Upgrades That You Should Never Do (and How to Do Them!)
• Wi-Fi Tweaks for Speed Freaks

Upgrading How-Tos

• Extend Your Wi-Fi Range With a Parabolic Reflector You can create a simple add-on for your router's antenna that will boost and focus the wireless signal. We show you how.
• Add a Second Hard Drive to Your TiVo Tired of having to erase old shows from your TiVo's puny hard drive? Hack your Tivo by slapping on a massive external drive.
• When Windows Update Won't Update Ralph Isaacs wants to know why Windows is telling him that it can't install its own updates.
• Six Hacks For Your Mobile Gear Unlock your iPhone, supercharge your camera, and take your TiVo shows on the road for free. These six hacks unleash the hidden power in your mobile gadgets.
• Five Insane Upgrades That You Should Never Do (and How to Do Them!) Feeling a bit nutty? These five upgrades are a little risky and time-consuming--but if you're up for a challenge, you could end up with the coolest rig on the block.

Upgrading News

• Profits, Not Conscience, Drive Green Efforts Everybody wants to go green--but business requirements will lead green IT strategies, Forrester says.
• 12 Sly Web Tricks That Put You in Control Turn a Wi-Fi thief's world upside down. Send an e-mail that self-destructs. And ensure that your boss thinks you're always hard at work. These tweaks and tools let you gain the upper hand.
• Microsoft Updates a Patch Microsoft has re-released a security updates, saying the initial patch was incomplete.
• Essential HDTV Accessories An HDTV is just a TV with a pretty picture until you add a few important accoutrements. The dozen add-ons shown here will greatly enhance your HDTV watching experience.
• Wi-Fi Tweaks for Speed Freaks How to get the most out of your home or small-business wireless network.

Upgrading Playing in PCW Video

• 
  Cold Boot Attack at CanSecWest After Princeton researchers demonstrated a cold boot technique, hackers quickly began to show how it could be used to gain access to your PC's data.

Upgrading Slideshows

• Extend Your Wi-Fi Range With a Parabolic Reflector You can create a simple add-on for your router's antenna that will boost and focus the wireless signal. We show you how.
• Add a Second Hard Drive to Your TiVo Tired of having to erase old shows from your TiVo's puny hard drive? Hack your Tivo by slapping on a massive external drive.
• Essential HDTV Accessories An HDTV is just a TV with a pretty picture until you add a few important accoutrements. The dozen add-ons shown here will greatly enhance your HDTV watching experience.
• Maximize Your Laptop With Cool Accessories These accessories and add-ons will have your old laptop doing brand-new tricks in no time.
• Replace Your Laptop's CPU Upgrading your laptop to a faster, more powerful processor can extend its life span and boost your productivity--but it isn't a project for the fainthearted. We show you how to do it.