How to Change the Administrator Name on a Mac

Login to your Mac using the administrator account. To do this, select the administrator account from the login screen. Depending on your settings, you may need to enter the administrator password. If you are already logged in with another account, then first select 'Log Out [Account name]...' from under the Apple Menu at the far left of the top menu bar.
Open the System Preferences application. This program is located by default in your Applications folder, but you may have moved it somewhere else. The appearence of the icon varies depending on what version of Mac OS you are using. In Mac OS 10.5, its icon looks like three gears in a silver-colored box, but in earlier versions of Mac OS X it may look like a light switch.
Select 'Accounts' in the System section. The Accounts icon looks like the silhouettes of two people, and is usually at the beginning of the fourth row of icons, under the 'System' header. Click on the icon.
Select the administrator account from the list on the left of the Accounts window. Administrator accounts say 'Admin' under the account name. Change the administrator status of an account by checking or unchecking the 'Allow user to administer this computer' box. If there is only one account, it will have administrator privileges by default.
Change the text in the 'Name' field to the new administrator name. Enter the administrator password to confirm the change.
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How to Disable Top Sites in Safari (3 Steps)

Launch Safari. By default, the Top Sites screen is displayed. Hover the cursor over any website thumbnail you never want to be shown. Click the 'X' that appears in the corner to delete it from Top sites.
Click the 'Safari' menu and choose 'Preferences.'
Click the 'General' tab, then click the 'New Windows Open With' menu and change it from 'Top Sites' to any other option, like 'Home Page' or 'Empty Page.' This will stop Safari from displaying your top sites when you launch the browser or open a new tab.
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How to Customize the Dock on an iPad (5 Steps)

Find an app icon on one of your home screens that you want to move to the dock. You can dock as many as six icons at a time. You can also remove the default icons from the dock and replace them with your own customized arrangement.
Press and hold on an app icon until all the icons begin to shake, indicating they have entered editing mode and can be repositioned. This is the same process you use when you move apps from one home screen to another.
Press and hold on an app on a full dock and drag it off onto the home screen to make room for a new app.
Drag a newly chosen app to the dock and release to add it to the dock. Continue touching and dragging apps until you are satisfied with the arrangement.
Press the 'Home' button to stop the shaking apps and take them out of editing mode.
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How to install Windows 7 on a Mac Pro (6 Steps)

Update Bootcamp to at least version 3.1. Previous versions do not support Windows 7. You can download the required update from Apple's support website.
Open Bootcamp through 'Finder.' Go to 'Applications,' 'Utilities' and click on the program to open it.
Create a partition for Windows. You can use the default settings or adjust the size to your liking. You must have enough free space on your current hard drive to create a new partition.
Insert the Windows 7 installation disc when the partitioning is complete and click 'Start Installation' to proceed. Your machine restarts.
Select the new partition you created when the Windows 7 installation process is done loading. Choose the format option near the lower right-hand corner of the screen. The partition must be formatted before Windows can be installed. Be careful not to format any other partition or data will be lost. Click 'OK' to confirm the formatting and the Windows 7 installation process will begin.
Follow the instructions on the screen to continue the process. Your computer reboots after some time. Upon reboot, Windows 7 will load and you will be asked to set several settings such as language and keyboard layout. After the settings are chosen, installation is complete and the Windows desktop will appear. Your Mac will now load Windows 7 by default after every restart.
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My MacBook AirPort Won't Turn On (4 Steps)

Click the 'Apple' menu, then 'System Preferences.'
Click the 'Network' icon, then 'AirPort' in the side window. Click the '-' button to remove AirPort as the default connection method.
Enter your administrator password to confirm the removal and click 'OK.' Click the '+' button in the Network window and select 'AirPort' as the interface.
Click 'Create' to save the changes, then 'Turn AirPort On' to activate the network utility. Select your network's name from the Network Name menu.
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How to Play Chess on Mac OS Tiger

Click the 'Go' menu tab from the Finder.
Scroll to and click the 'Applications' menu option. This will bring up the list of common applications that are currently stored on your Mac.
Double click the 'Chess' icon to play chess. If the icon is not immediately visible then simply scroll up or down until it appears in the window.
Notice that by default the computer will start a game with the human playing as white and the computer playing as black.
Begin play simply by moving your pieces and progressing through the game until either you or the computer is victorious.
Click 'Game' followed by 'New Game' to change the current players or the difficulty. You can change the game from Computer vs. Human to Computer vs. Computer or Human vs. Human.
Take advantage of the Move menu. The Move menu offer you a chance to take back moves after the fact, as well as see the last move the computer performed.
Choose a variant form of chess when you start a new game. Crazyhouse, for example, allows you to replace pieces to the board that are duplicates of your opponents (if you capture an opponent's white rook, you will receive a black rook of your own, even if you already have 2 on the board).
Enable Speech in chess. With speech enabled (and a compatible microphone) you will be able to instruct the computer where and how to move your pieces without ever having to touch the keyboard.
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How to Fix Error 21 on an iPad

Make sure you're logged in to your computer with an administrative account. If you're not certain, log out and then log in with an admin account.
Update to the latest version of iTunes on your computer by clicking the iTunes 'Help' menu and selecting 'Check for Updates.' If you don't see the Help menu, press 'Ctrl-B' on the keyboard to reveal the Menu bar.
Update Windows. If you don't have Windows' default automatic updates enabled, install any updates manually. Press the 'Windows' key from the Start screen, select 'Settings and then 'Change PC Settings.' Select 'Update and Recovery,' followed by 'Windows Update.' Click 'Check Now.' If there is an update available, follow the onscreen prompts to install it.
Confirm that any security software you installed on your computer is up to date. Windows security software is updated when you do a Windows update.
Unplug all USB devices connected to your computer except for the keyboard and mouse. Examine the iPad's Lightning cable to ensure it is in good repair and then plug it in to a USB port you know is working properly on the computer .
Restart the computer and the iPad. Launch iTunes and try to update or restore the iPad.
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How to Use Calendar Programs on a Mac (6 Steps)

Go to the 'Applications' folder and double-click the iCal icon.
View iCal by the day, week or month using the tabs at the top of the window. You can change the view at any time.
Customize your calendars in the menu on the left side of the window. By default, there are two calendars: 'Home' and 'Work.' Add a new calendar by Control-clicking in the 'Calendars' area and selecting 'New Calendar.' Change the name and color of the calendar by Control-clicking on the new calendar and selecting 'Get Info.'
Schedule an event by clicking on a calendar to select it. Go to the main calendar window and click on the time and date at which you want to schedule the event. Drag downward to adjust the time for the event. You can adjust the time frame of the event using the resize pointer at the top and bottom of the event. You can move the event by dragging it.
Double-click on the event and press 'Edit' to enter information about the event. Type a name for the event in the text box at the top of the window. Enter a location, if desired, by clicking next to 'Location.' Select if the event will repeat. Adjust the alarm setting if you want a reminder for the event. Add notes at the bottom of the window, if desired. Press 'Done' to leave the editing window.
Click on the thumbtack icon in the lower right corner of the window to an item to a running 'To-Do' list. Select the appropriate calendar from the menu on the left side of the window. Control-click in the 'To-Do' area and select 'New To-Do.' Enter a name for the item and click on the icon to the right of the name to set the priority for the item. Set a due date and alarm for the item by Control-clicking it and selecting 'Get Info.'
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How to Open Downloads on My Desktop Mac

Launch the Safari web browser by double-clicking its icon inside of the “Applications” folder. Select “Preferences” from the “Safari” drop-down menu at the top left of the screen. Click the “General” tab at the top left of the window that appears.
Locate the “Save downloaded files to” tab. Make a note of the name of the folder in the drop-down menu next to the tab--this could be “Downloads” if the default save location is in effect or any other folder on the Mac’s hard drive. Close the window by clicking the red button at the upper-left corner.
Click once on the desktop. Select “New Finder Window” to bring up a window on the desktop. Enter the name of the folder where the downloaded files are being kept in the Spotlight utility's “Search” text field at the upper-right corner of the window. Wait as files and folders appear in the column beneath the “Search” text field.
Double-click on the name of the folder where the downloaded files are being kept. The downloaded files inside of the folder are now displayed in the column.
Double-click on the downloaded file that you want to open, or drag it from the window onto the desktop and then double-click on it.
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How to Write Farsi on a Macintosh

Click the Apple menu and select 'System Preferences...' from the drop-down menu.
Select the 'Language & Region' option in System Preferences.
Click the '+' button, select the 'Persian' option and choose the 'Add' button.
Choose an option to determine the default language used on your system. If you select the 'Use Persian' option, then your entire system defaults to the Persian language. Mac OS X doesn't offer full support for Persian in all applications. If you want to continue to use your computer in English, select the 'Use English' button.
Click the 'Keyboard Preferences...' button and select the 'Persian' option from the sidebar. Check the keyboard layout preview. If you don't like the layout, click the '+' button and choose a different Persian keyboard layout from the list of options. When you make your selection, click the 'Add' button.
Select the option to 'Show Input Menu in Menu Bar' to make it easier to switch between keyboard layouts. When you want to switch between English, Persian and other languages, click the icon in the menu bar and select the desired language from the list.
Click the back arrow to return to the Language & Region window. Select the 'Advanced...' button. Set the formatting options for your computer. You can change the Format language for dates, times and numbers so that the computer uses Persian formatting conventions. You can also change the default currency and measurement units used by your computer. Click 'OK' to save your changes.
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