If your system is less than two to three years old, it pays to update it with more memory, better graphics and perhaps a secondary hard drive. A memory and/or video card upgrade is a simple, cost effective way to boost your computer’s performance, providing that’s where the problem lies.

Whether it’s for sharing photos with family and friends or setting up the kids’ computer to print in your home office, your networking needs can be easily satisfied with a wireless network; but how can you tell which one is best? What sort of questions should you ask? And how do you set up a network easily and quickly?