How to Defrag a Mac Computer

You may notice a slight decrease in your Mac's performance over time as you rename files or move them between folders because these files become fragmented with each change. You can optimize your Mac's performance by defragmenting your hard drive. While the newest version of the Mac operation system, called Mac OS X, automatically defragments most files, you may still need to run a defragmenting program from time to time to check over all of the files on your hard drive.

How to Run Startup Repair for Vista

Windows Vista comes with the following set of system recovery options: Startup Repair, System Restore, Windows Complete PC Restore, Windows Memory Diagnostic Tool and Command Prompt. Excluding Windows Complete PC Restore--a utility not included with Windows Vista Starter, Windows Vista Home Basic or Windows Vista Home Premium--all versions of Windows Vista include these diagnostic and repair tools.

How to Repair Windows Vista Without a CD

Although you can repair a computer that uses the Windows Vista operating system with a repair disc, the disc is not necessary to perform the repair as long as Startup Repair is pre-installed on your computer. Many computers that run on Windows Vista do have Startup Repair pre-installed. Repairing the Vista computer using Startup Repair is a fairly simple process, although it can take several minutes to complete.

How to Jailbreak your Iphone 3GS

With the recently released iPhone 3GS and the all around OS update 3.0, many people are looking to unlock their new Apply iPhone 3GS. The process is not difficult and should only take a few minutes if you have everything you need. This guide will work for both Mac and PC users.

How to Jailbreak iPhone 3G 3.1.3

Since the 2010 ruling by the U.S. Copyright Office that jailbreaking an iPhone doesn't break the law, many new users have opted to perform the operation. Many different tools exist for the job depending on the specific model and system version involved. The iPhone 3G on iOS 3.1.3 jailbreaks very simply using a program named Spirit, allowing the user to install software downloaded from places other than Apple's iTunes App Store.