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 Make iTunes Songs Download Faster (6 Steps)

Download iTunes songs over your home network instead of public networks unless you only have a dial up connection. Public connections share bandwidth among all users, so your download speed will be slow if others are also using the same connection. If you must use public networks, choose library or school networks whenever possible. These tend to have higher bandwidth and faster speeds than coffee shop or restaurant hotspots.
Connect your computer to your broadband modem using an Ethernet cable rather than downloading over the wireless connection. Data transfer over cabled connections is faster than wireless connections.
Move your computer or device as close to the router as possible if you must use a wireless connection, such as on an iPod, iPad or iPhone.
Connect to the Internet using your service provider's domain name server (DNS) rather than a public DNS. If you have not changed your connection from the default your provider set up, this will happen automatically each time you connect to the Internet. However, if you have specifically configured your home network to use a public DNS such as Google DNS, the company that iTunes uses for file delivery may route your downloads through a busy public data stream. This makes your downloads take longer than they would on a private ISP-provided server. Contact your ISP about switching back to its server.
Close any browser windows and other programs running on your computer before you shop for your iTunes songs. On a mobile device like the iPhone or iPad, open the multitasking pane, hold your finger over one of your open app icons, and then tap the 'X' to close all open programs except the iTunes store. This lets your computer's processers and RAM direct most of their resources to iTunes.
Launch iTunes on your computer and select the 'Downloads' link from the menu as your songs are downloading. De-select the box that says 'Allow simultaneous downloads.' This may increase your overall download time, but each individual song will download more quickly because they are not competing with each other as they download.
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How to Hook Up an External Antenna to MacBook

Purchase a wireless USB adapter with an external antenna (see Resources section for suggestions).
Plug your wireless USB adapter into your MacBook's USB port.
Insert the included CD into your CD drive to install the drivers to run your wireless USB adapter (follow manufacturer's instructions).
Go to 'System Preferences - Network' and ensure that your wireless adapter is listed under the available network connections.
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How to Connect an iPad to a Wireless Network

Press the iPad's 'Home' button to reach the iPad's home page of apps.
Click the 'Settings' app icon, which looks like gray gears.
Click 'Wi-Fi' to enter the iPad's wireless settings.
Touch the 'On/Off' selector switch on the top of the screen until it reads 'On.'
Select the wireless network that the iPad is to be connected to under 'Choose a Network...' It may take a few seconds for the networks to appear after turning on the wireless feature.
Enter the password for the network if prompted to do so, and select 'Join' to access that 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 Wirelessly Connect a Mac to a TV (3 Steps)

Purchase a wireless converter (See Resources). These converters connect to a VGA source, such as a Mac, and send both audio and video signals to your TV.
Hook up the wireless converter to your TV, and program it. Use the User's Manual with the converter to set up the connection.
Turn on your Mac and the TV. You now see what's on your computer screen on the TV.
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How to Stream Pandora to Apple TVs

Press the right arrow on the Apple TV's remote to highlight 'Settings' in the menu. Press the down arrow to highlight 'General.' Press the center button to select 'General,' 'Network.'
Highlight 'Configure Wireless.' Press the center button. Click the name of your wireless network in the list. Enter the network password.
Click 'Done' to enter the password and connect to the Wi-Fi network. Click 'Done' once more when the connection complete message appears. Press the 'Menu' button three times to return to the main menu.
Tap 'Settings' on your Apple mobile device, and tap 'Wi-Fi.' Slide your finger over the Wi-Fi tab to enable the device's wireless feature. Tap the name of your Wi-Fi network.
Enter the network's password. Tap 'Join.' Press the 'Home' button. Tap the Pandora application icon.
Tap the radio station you want to listen to, and tap the AirPlay icon in the bottom-right corner of the Pandora window next to the 'Next' button.
Tap 'Apple TV' as the destination device to begin streaming the application.
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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 Play Video Back Wirelessly to a TV From a MacBook Pro

Plug one end of the Apple TV's HDMI cable into Apple TV. Plug the other end in the back of the television.
Turn on the television.
Select the wireless network the MacBook Pro is on and enter the password.
Open iTunes on both the TV and the MacBook Pro.
Click 'Advanced,' then 'Turn on Home Sharing' on Apple TV and the MacBook Pro.
Type your Apple ID and password in.
Click 'Create Home Share.' After it is finished, you can play any videos on the MacBook Pro from iTunes and they will appear on the television.
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How to Access Free WiFi With a Macbook Pro (4 Steps)

Click the wireless icon in the upper-right corner by the clock.
Wait approximately 10 seconds for the wireless networks in the area to be detected and displayed.
Click the name of the hotspot with the strongest signal, indicated with more solid black curved bars.
Open a Web browser and attempt to connect to a Web page to verify connectivity.
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How to Use a Wireless Projector With an iPad (4 Steps)

Insert the VGA adapter into the iPad's dock connector port, located at the bottom of the iPad.
Insert the other end of the adapter into your wireless projector's VGA port.
Turn on your projector, and push the 'Home' button on the iPad.
Tap the 'Keynote' or 'Videos' icon on the iPad's home screen to display the presentation or video.
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How to Make My Wireless Network Invisible

Enter the administration interface for your router or access point. Use your Web browser to connect to this interface by navigating to the address required by your device (for example, http://192.168.1.1).
Browse to the wireless setting page in the administration interface. This page typically includes options for changing the wireless network mode, wireless network name, wireless channel, and the SSID (Service Set IDentifier) broadcast.
Disable the SSID broadcast and save your settings. The router or access point should reboot to enable the new settings.
Enable the SSID only when performing networking maintenance or connecting other computers to the network. However, even without the SSID broadcast, you can connect to your network by simply manually entering the network name, so try to keep the SSID broadcast disabled at all times.
Continue to use encryption such as WPA (or WEP, if WPA is not available on your device). Disabling SSID can help thwart casual outsiders, but more experienced intruders can still use sniffing techniques to find and access your network. Encryption can help prevent such intrusions.
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How to Connect VirtualDJ to the iPad (5 Steps)

Download the VirtualDJ iRemote app from the iTunes App Store to your iPad. Install the app.
Launch VirtualDJ on your computer. Connect to your wireless network on both the iPad and your computer if they're not already connected.
Click on the 'Config' button at the top of the window to access the VirtualDJ setup screen. Click on the 'iPhone/iPad' tab. Activate the 'Enabled' check box.
Tap the 'VirtualDJ' icon on your iPad to launch the app.
Click on the 'Connect' button in the VirtualDJ interface. The VirtualDJ program on your PC recognizes your iPad; you can now use the iPad's touch screen to control VirtualDJ.
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How to Disable the Wireless on a Macbook

Locate the AirPort icon located in the top right corner of the desktop, and click it. Scroll down the pop-up menu, and click 'Turn off AirPort' to disable your MacBook's wireless.
Alternatively, click the 'Apple' logo in the top left corner, and select 'System Preferences.' Click the 'Network' icon under 'Internet and Wireless' to launch the 'Network' dialog box.
Click 'AirPort' on the left panel, and click the 'Turn AirPort Off' button to disable the MacBook's wireless.
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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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