To reset Network Configuration to factory setting, here are the steps:
1. Turn off Wifi and unplug network connection;
2. Go to /Library/Preferences/SystemConfiguration
3. Rename preferences.plist to preferences.plist.bak (just in case it is needed)
4. Reboot and a new preferences.plist will be created with the network configuration reset to factory default.
To change the name of the Mac, open Sharing in System Preferences.
Enter or change the name of your choice at the space provide:
Don’t mix this Machine Name up with Short Name and Full Name. Machine Name is the name you want to call your Mac and to be shown to others in a network environment.
Short Name and Full Name are the names of the user of the Mac. These two are used to identify who is the user, and to define and create account information on the Mac.
To eliminate duplicate icons in Launchpad
1. Run Terminal
2. Type sudo rm ~/Library/Application\ Support/Dock/*.db
to remove the problematic Launchpad database
3. Enter user password to permit change
4. Type sudo killall Dock
_ to recreate a new database
5. Exit Terminal
A free app called Launchpad-control can do above resetting with just a few clicks.
Followings are instructions from Apple regarding battery calibration. The computer can be used as normal during Step 1 to 4.
1. Charge the battery to full
2. Keep the adapter plugged in for at least two hours
3. Disconnect the adapter while the computer is on
4. Drain the battery until the computer turns off automatically
5. Leave the computer in sleep for at least five hours
6. Don’t turn on the computer right after reconnecting the power source
7. Only turn on the computer after it is fully charged
Apple has a very detail supporting article explaining how to change User Name and Home Directory Name. It is not very complicated but still need to follow all steps with care.
Click How to Change User Account Name and Home Directory Name for the article.
The Lion OSX no longer allows the action of Double-clicking the Title bar to Drag a Window by default. To activate the function:
- Go Universal Access under System Preferences
- Enable Dragging under Trackpad Options
In Mountain Lion, this Trackpad Option has been moved to Mouse & Trackpad under Accessibility category.
To revert finger movement direction to pre-Lion state
- Go to Trackpad under System Preferences
- Uncheck Scroll Direction: Natural under Scroll & Zoom
Although it may be odd to use this new finger movement direction in the beginning, you’d better get used to it unless you intent to give up Mac in the future.