SPOD, the short form of spinning pinwheel of death is common to meet for many Mac users. When you boot your Mac, generally it will log you in with a white screen, but sometimes, all you can see is nothing but a spinning pinwheel, and then you will realized your Mac was stuck. This situation […]


NVRAM or PRAM is the special memory, which stores the settings used by your Mac to control the configuration of various systems and devices. Sometimes, you will have to reset your Mac’s PRAM or NVRAM and here are all the things you will need to know about PRAM or NVRAM and about how to reset […]

Email Heders

Full headers for mail messages can tell the details about the sender of email message, such as the origin mail servers, and IP address, original arrival time and much more. Also the complete headers in Mail will be helpful to sort out complicated email server issues. As the full headers can make an email more […]

disk space

A startup disk is a partition of a drive containing a usable operating system. Sometimes, a user can have several startup disks on his hard drive, but more will just have one startup disk. Mac users will encounter problem like a full startup disk, and just don’t know how to figure it out. Actually, when […]

system preferences

Since the launch of Mac OS X in 2001, Apple offered a multiple-user operating system, which means Mac users can create different user accounts for different uses. A spare user account will be used when you are trying to troubleshoot problems with your Mac or the applications on your machine. In that sense, a spare […]