How Do I Unregister My Mac?

Click the 'Apple' icon in the upper-left corner of the desktop and click 'System Preferences.'
Click 'MobileMe' in the Internet & Wireless section and click the Sync tab. Click 'Advanced' in the bottom-right corner of the MobileMe window.
Click the name of your computer in the account synchronization window and click 'Unregister' to remove the computer from MobileMe's registration.
Click 'Done' and close the MobileMe window to apply and save the new settings.
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How to Change an AirPort Password (7 Steps)

Open a new Finder window by clicking on the icon in the Dock.
Navigate to the 'Utilities' folder, which is located in the 'Applications' section of the Mac hard drive.
Double-click on the 'AirPort Utility' icon. The AirPort configuration program will launch and begin scanning for nearby AirPort wireless routers.
Highlight your AirPort wireless router from the list of available devices on the left side of the window. Then click on the 'Manual Setup' button at the bottom of the window.
Go to the 'Wireless' tab at the top of the window.
Enter a new password for your AirPort wireless network in the 'Wireless password' and 'Verify Password' fields.
Click on the 'Update' button at the bottom of the window to save the settings and change your AirPort password.
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How to Transfer Photos From iPhone to Mac Without iPhoto

Connect your iPhone to your Mac. Close iPhoto if it opens automatically.
Go to your Applications folder, locate Image Capture and double-click the icon to open it. Allow Image Capture several seconds to recognize your iPhone.
Click “Browse” next to the Destination heading to choose a location to download your photos. Image Capture default settings automatic download to your Pictures folder if you don’t choose another location.
Click “Download” if you want to download all of the photos on your iPhone. Click “Download Some” and then click the photo thumbnails to selectively download photos.
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How to Uninstall Programs on Mac Computers

Click the Launchpad icon from the Dock at the bottom or side of your computer.
Locate the icon for the application you want to remove from the Launchpad screen, and then click or tap and hold down on the application icon. This will cause all the icons on the Launchpad screen to wobble.
Click or tap the 'X' on the icon of the application you want to remove. This will remove the application.
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How to Ping an IP Address on a Mac (6 Steps)

Open a new Finder window.
Navigate to the 'Utilities' folder, which can be found in the Applications section of the Mac hard drive.
Double-click on the 'Network Utility' icon to start the networking application.
Click on the 'Ping' tab at the top of the application window.
In the main field, type the IP address you wish to ping, and enter the number of ping attempts you would like to complete.
Click the 'Ping' button to begin testing the connection. Ping results will appear in the main application window.
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How to Install Skype on the iPad

Tap the 'App Store' icon on your iPad. Tap the search field and use the keyboard to type 'Skype,' then click 'Search.'
Tap the free 'Skype' app that appears in the search list and tap the 'Install App' button.
Enter your iTunes password when prompted.
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How to Turn Off the iSight Light on an iMac

Close the iChat, iMovie and Photo Booth applications. If you don't see them open, search for them by typing in 'Photo Booth' (or the other applications) in the Finder at the top right of your screen, then opening the application.
Select 'Photo Booth' (or the other application names) from the menu that appears in the top left of your screen, then click 'Quit Photo Booth.' If you do this for all three applications, you should be able to turn off the iSight light.
Open your System Preferences folder by typing 'System Preferences' in the Finder menu. Select 'System Preferences' from the list of options that appear, then select 'Accounts' and 'Login Items.' View the list of items that are set to open upon Login. If Photo Booth, iMovie or iChat are on the list, deselect them by clicking the arrow next to the item. That may have been causing your iSight light to be on all the time.
Click the 'lock' item in the bottom left of the Accounts pane to save your changes, enter in your Mac username and password to confirm the changes, and click 'OK.' Your camera light should not turn on and be left on now, unless you open Photo Booth, iMovie or iChat.
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How Do I Use Photo Booth to Record Secretly? (5 Steps)

Remove Photo Booth from the OS X dock by clicking the icon and dragging it off or by right-clicking the icon, selecting
Options and unchecking the
Keep in Dock menu item.
Click the
Launchpad icon, then click
Photo Booth to start the program.
Click the
FIlm icon to put the program into video mode. Click the
video camera icon to begin recording.
Click
Photo Booth in the menu bar and select
Hide Photo Booth. The Photo Booth window will disappear. Position your device so that the camera is pointed in the direction you wish to record.
Cut a small piece of electrical tape and place it over the green video recording indicator light; otherwise, the light will give away the fact that the Mac’s camera is on.
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How to Find the Link Speed of a Mac

Open a new Finder window by clicking on the icon in the dock.
Navigate to the 'Utilities' folder, which can be found in the 'Applications' portion of the Mac hard drive.
Double-click on the 'Network Utility' icon to open the networking program.
Click on the 'Info' tab at the top of the application window.
From the 'Network Interface' drop-down menu, select the network adapter whose speed you wish to look up. The speed of the connection will then appear below.
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How to Create a Live Bootable Flash Drive for CentOS on a Mac

Open the UNetbootin website at UNetbootin.SourceForge.net in your Web browser.
Click the “Download (For Mac OS X)” link on the page and save the file to your Mac
Double-click the downloaded UNetbootin ZIP file. Your Mac automatically unzips its contents to the current folder.
Double-click the “UNetbootin.app” file to open UNetbootin.
Click “Distribution” at the top of the UNetbootin window, select “CentOS” from the “Select Distribution” box and select your desired version of CentOS from the “Select Version” box.
Insert the USB flash drive into a USB port on your Mac and select it from the “Drive” box at the bottom of the UNetbootin window.
Click “OK.” UNetbootin automatically downloads your selected version of CentOS, converts it and creates a live CentOS flash drive. You can restart your Mac or other computer to boot from the CentOS flash drive.
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How to Set a Password on a MacBook (6 Steps)

Click the 'Apple' logo in the upper-left corner of the screen.
Click 'System Preferences.'
Click 'Accounts.'
Click 'Change password.'
Enter the old password, if any, and enter the new password into both the 'New password' and 'Verify' boxes.
Enter a password hint, if desired, and click the 'Change Password' button. The changes take effect immediately.
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How to Zoom in Skype

Select 'Tools' from the menu bar and then click 'Options.' Select 'Video Settings' from under General in the left pane and then wait for Skype to detect your camera.
Click 'Webcam Settings' on the Video Settings pane to access your webcam options.
Select the 'Camera Control' tab and then drag the slider next to 'Zoom' to the right or left to increase or decrease zoom.
Click 'OK' to close the settings window and then click 'Save' to apply your changes.
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How to reverse audio in Garageband (6 Steps)

Select the audio region you want to reverse by clicking on it in the Garageband mix window.
Open the edit menu. Choose 'Add To Loop Library.' Enter a unique name for the region so you can easily find it in your loops folder. Click on 'Create.'
Open the folder 'Library> Audio> Apple Loops> User Loops> Single Files'. In that folder is an .aif file of the audio you selected to export for reverse processing. Select that file and choose 'open with> Audacity'. The file will open in the Audacity audio editor window.
Press 'Apple A' to select the entire file (in Audacity). In the Effect menu, choose 'reverse.' Press the space bar to play back the reversed audio file. In the File menu, choose 'Export as .wav file,' and save the file with a new name onto your desktop.
Switch back to the Garageband application and simply drag and drop the reversed file onto the mix window. The file will now appear on a new track, ready for playback.
Align the imported reversed audio file with your original file. Play back the audio and adjust the start point of the reversed audio file as needed to fit into your musical arrangement.
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How to Change the Size of a Slide on Keynote

Open a new or existing Keynote presentation.
Click on the blue 'Inspector' button in the toolbar. Click the 'Document' pane then click the 'Document' button.
Click the 'Slide size' pull-down menu at the bottom of the window. Select the desired slide size from the pre-sets or click 'Custom Slide Size' to enter the desired width and height in pixels. Click 'OK' to confirm the size.
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How to Turn on the Camera on an Apple Computer

Click 'Go,' then click 'Applications.'
Double-click 'iChat.' Alternatively, you can launch iChat by clicking the icon on the dock, if it is present.
Click the green 'camera' icon next to any online contact on your buddy list to initiate a video chat. The iSight camera will light up to show that it is turned on.
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How to Change the Default Wi

Launch 'System Preferences' from the Apple menu in the top left corner of the screen.
Select the 'Network' preference pane and click on the 'Advanced' button.
Drag the available networks in the 'Preferred networks' window to their desired order of importance. The network on the top of the list will always be the default Wi-Fi network when available.
Click on 'OK' to exit the screen and click on 'Apply' to save your changes.
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How to Invert Color on a MacBook Pro Monitor (7 Steps)

Click the 'Apple' menu at the top of the screen and then click 'System Preferences.'
Click 'Universal Access' in the 'System Preferences' window.
Click 'Seeing' in the 'Universal Access' window to view a list of visual options.
Click 'White On Black' in the 'Display' section of the window to invert the color of the display.
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How to Remove an Icon From the Toolbar

Open the Windows program where the toolbar is located by selecting its name within the 'Start' menu.
Right-click anywhere in the open area on the right side of the 'Help' menu. Scroll down and select 'Customize.' Wait for the 'Customize' dialog box to load.
Select and drag the toolbar icon you want removed to the 'Customize' dialog box. Repeat for each icon you want removed. Select 'Close.'
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How to Connect a MacBook to a TV Monitor

Connect a DVI cable from your Macbook to your TV. If your TV does not have a DVI port, then use a converter cable to convert DVI to S-Video.
Turn on the TV.
Click the Apple logo on the task bar and click 'System Preferences.'
Click 'Displays.' Click 'Detect Displays.'
Click the TV display and then adjust the 'Resolution' to the highest possible setting. If you are connecting to a high-definition TV, then you are likely to get the best resolution. You have now connected your MacBook to a TV.
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How to Unlock an Apple Laptop When the Password is Lost

Put the Mac OS X Install disc into your Apple laptop. This should be the same version currently installed on your computer.
Find the 'Install and Restore' icon and click it.
Choose your language and select the arrow button.
Select the 'Utilities' menu or the 'Installer' menu, depending on your version.
Select 'Password Reset' or 'Reset Password,' depending on your version.
Find your Mac OS X hard disc volume from the 'Reset Password' window. If you're the only computer user, there should be only one option.
Select your account from the dropdown menu. Again, if you're the only user, you'll only see one option.
Enter and confirm a new password for your Apple laptop. Click the 'Save' button to save your new password.
Find the red button in the left hand corner of the 'Reset Password' window. Click it to close the window.
Select the 'Mac OS X Installer' and click 'Quit.'
Click 'Restart' to restart your laptop. You will then be able to enter your new password to unlock your system.
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