Apple recently updated a number of knowledgebase articles, which address problems people have been having with their iPhones, iPods, and Mac hardware and software. The issues include problems with iDVD encoding settings, iMac restores using incorrect system software, and problems installing OS X to external drives.
If you use an iPod and have found the inputs to be unresponsive, this article covers how to recalibrate the touch-sensitive inputs by toggling the hold button.
iDVD embeds the default settings for encoding quality in all projects, so if you have created a project and then changed iDVD's encoding quality at a later date, you will need to change the quality settings back again.
A number of people apparently are trying to restore their iMac's (late 2009) system software using older OS X installation DVDs that contain OS X 10.6.0. While this will work, it will also result in a variety of bizarre problems. This article outlines a number of these and how to correct them.
This article addresses a problem with iPhone applications crashing upon entering certain Japanese characters. The fix is to switch the language to English and reset the keyboard dictionary before switching back to Japanese.
For people who have cellular plans that allow Internet tethering through the iPhone, this article covers the system and software requirements to do so.
Installing OS X to external hard drives is useful for numerous reasons, but in doing so you may encounter a problem where the OS X installer will not recognize the selected drive as a valid installation destination. This article covers how to repartition the drive so the installer will recognize it.