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 Delete the Update Badge From the App Store

Turn on your iPhone, iPad or iPod Touch and open your Safari Internet browser.
Type 'Jailbreakme.com' into the URL bar, then touch the 'Go' button.
Swipe the arrow button across the screen in the same manner that you do to unlock your device. The jailbreak should begin downloading itself.
Touch the 'OK' button when a pop-up notification appears, telling you that Cydia has been added to the home screen.
Turn your device off, then turn it back on.
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How to Use an iPhone's Internet on a MacBook

Press the 'Home' button on your iPhone and slide your finger across the screen to unlock it.
Press the 'Settings' button on your screen, and click the 'General' tab. Tap 'Network' and 'Internet Tethering.'
Slide the switch so that it reads 'On,' and press the 'Home' button on your device to return to the main screen.
Plug your iPhone into your computer using your device's USB cable.
Click the 'Network Preferences' button in the pop-up window once the phone is connected, and click 'iPhone' from the network list. Click 'Apply' to connect computer to your iPhone.
Open your Internet browser to begin using the iPhone's Internet connection.
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How to Share a MacBook Internet Connection

Click on the Apple menu in the upper left corner of your screen and select 'System Preferences' from the drop-down menu.
Click on the 'Sharing' icon within System Preferences, then check the box next to 'Internet Sharing' from the list of options on the left side of the screen.
Select the Internet source you want to share from the drop-down menu next to 'Share your connection from,' then check the box to the right of 'To computers using' for the Internet sharing option you want to use. Options include sharing the Internet through your MacBook's Ethernet port or broadcasting it through your wireless card.
Click the 'Airport Options' button to configure your MacBook's Wi-Fi network name and password if you are sharing an Internet connection wirelessly.
Connect the devices you want to use the shared connection to your MacBook through your chosen method. Either connect the device through an Ethernet cord to the MacBook's Ethernet port or connect to the MacBook's wireless network.
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How to Connect an iPad to a SMART Board

Connect to your wireless Internet service on the iPad.
Log on to your computer while the iPad is connecting to the Internet.
Click on your LogMeIn app to start it on the iPad.
Enter in the necessary credentials when prompted on your iPad to begin. You may need to verify the process on your computer by clicking 'OK.'
Use your iPad to begin to operate the SMART Board software. You're now controlling the SMART Board from your iPad.
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Can You Screen Share Your MacBook Pro With WD TV

Open the Apple menu from the upper-left corner of your screen, and click 'System Preferences.'
Click the 'Sharing' button under the Internet & Wireless group.
Choose a name for your computer on the network and type it in the Computer Name field.
Click the box next to File Sharing to turn on the file sharing service. Then click on the '+' sign button below the Shared Folders box.
To share additional folders beyond the default Public folder, select the folder you would like to share, and click the Add button. The WD TV player will now recognize the video content you see on your MacBook Pro.
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How to Turn on Backlight on a MacBook Keyboard

Close your Internet browser if you currently have one open on your MacBook, as one of the function keys used for your backlighting is often commonly used by browsers.
Press 'F9' to turn the keyboard backlight on, if it is currently turned off. You can adjust the brightness from dim up to its maximum backlighting by pressing the 'F9' button several times.
Press 'F10' if you need to adjust the backlight so that it is dimmer. Press 'F8' to disable backlighting.
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How to Reset a Wi

Click on 'Apple' symbol on your Apple desktop, located in the upper left of the screen. A drop-down menu will appear. Select 'System Preferences' from the drop-down menu.
Click the 'Network' icon in the 'Internet & Wireless' section. The Network window will appear.
Highlight 'AirPort' in the left side of the Network window then click 'Advanced' in the lower right corner.
Click the 'AirPort' tab at the top of the window then scroll through the list of 'Preferred Networks' and locate your network name.
Click on your network and then click the 'Edit' icon that resembles a pencil next to the '+' and '-' icons below the list of preferred networks. A new window will appear.
Click in the 'Password' field and delete the current password. Type the new password and click 'OK.' Note that you can place a check mark next to 'Show password' to reveal the password currently saved for the selected Wi-Fi network.
Click the red 'X' icon in the upper left corner of the window to exit the Network window and save your changes.
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How to Update a MacBook Pro

Click the Apple icon in the top-left corner of the desktop to access the Apple menu. Select 'Software Update...' It is the second choice on the menu. This loads the Software Update application and checks for available updates. You must have an Internet connection to view and download updates.
Click 'Install' to install updates if OS X indicates they are available. Choose 'Show Details' if you want to see more information about updates or manually select the updates you wish to install. You may need to enter your password to install certain updates.
Click 'OK' and 'Quit' after the updates are done installing. You may need to restart your MacBook Pro.
Click 'Quit' if you receive a prompt stating that your MacBook Pro is up to date. Check for updates frequently to keep your computer safe.
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How to Connect My Laptop to a Projector Wirelessly

Turn off both the laptop and projector. Both must be off for the media program to recognize the new hardware upon restarting your laptop.
Hook up a wireless transmitting device to aid in transferring the signal wirelessly from the laptop to the projector. Wireless transmitters will work to transmit Internet or cable signals from one media to another. A receiver, which acts like an antenna, must be hooked up to the hardware device that will be receiving the wireless signal.
Turn on the laptop and projector. Wait for the media program to recognize the new hardware. It will provide you with prompts on your laptop screen. Follow the command prompts. Some operating systems will not automatically recognize the new hardware. If yours does not, click on the 'Start' menu. Type 'projector sharing' into the search box at the bottom of the start menu. Choose 'Connect to a Network Projector' from the options given.
Select your projector from the drop-down list and wait for the connection wizard to install all of the necessary components. Follow the command prompts until you are finished.
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