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 Play With Subtitles in iTunes (6 Steps)

Launch iTunes on your computer.
Click 'Edit' at the top of the iTunes window.
Click 'Preferences.'
Click 'Playback.'
Click the 'Subtitle Language' pull-down menu and then click a language. Click 'OK' to save the change. Now subtitles will appear when you play a video in iTunes that comes with subtitles.
Move the pointer over a movie while it is playing and hold it until the iTunes controls appear, and then click the 'Subtitles' button to toggle subtitles on and off. The 'Subtitles' button looks like a cartoon speech balloon.
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How to Replace Video Cards on a Mac (7 Steps)

Power off the Mac Pro computer and unplug the power cord.
Remove the side cover by lifting the lever on the back of the case.
Pull out the existing video card.
Insert the new video card in the same location.
Connect any auxiliary power connectors to the video card. In most cases, this is an adapter that converts from the standard molex connector type to PCI-E.
Replace the side cover and power on the computer.
Optionally install the latest drivers for the video card. Visit the video card manufacturer's website to obtain the latest driver software. The video card works without the update, however.
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How to Copy Paste a Screenshot (8 Steps)

Pull up the screen or video you want to take a screenshot of onto your computer.
Press the 'PrtScn' key on your keyboard. This is the 'print screen' key and it may be abbreviated differently depending on your keyboard.
Open the document into which you want to paste the screenshot.
Press 'Ctrl' + 'V' on your keyboard. You now have copied and pasted a screenshot on your PC.
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How to Get a Micro SD Card Unstuck From a Laptop

Pull the SD-to-Micro SD adapter out of the laptop’s compartment slot. Place the SD-to-Micro SD adapter on a table with the Micro SD card facing to the right.
Hold the SD-to-Micro SD adapter down on the table with your left hand. Hold the tweezers in your right hand.
Clamp the jaws of the tweezers on the end of the Micro SD card. Pull the Micro SD card out of the SD-to-Micro SD adapter with the tweezers.
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How to Upgrade Your MacBook Air

Remove screws. The internals of a MacBook Pro are accessed form the underside of the casing. The bottom is held in place by ten screws, including six 3 mm Phillips screws, two 5.4 mm Phillips screws, and two 7.9 mm Phillips screws.
Lift off the case. Once the screws are removed, the bottom of the MacBook Air case should come off easily, with a quick pull.
Disconnect the accessory ports. Your MacBook Air's current hard drive or solid state drive sits underneath the ribbon that connects your accessory USB, audio, power and DVI connectors. With the bottom of the case removed, unplug the ribbon that connects these accessories to the motherboard.
Remove hard drive screws. Once the accessory ports are disconnected form the board, remove the screws that hold the hard drive frame in place.
Lift the hard drive frame. Make sure that the ribbon that attaches the accessory ports is safely out of the way. If the path is clear, the hard drive and its frame can be lifted from the computer.
Replace hard drive. With the frame and hard drive out of the computer, the current drive can be slid out of the frame and a new one inserted. Original generation MacBook Air models use a zero insertion force (ZIF) connector, so make sure the hard drive or solid state drive you use has this type of connector. Models manufactured after the summer of 2009 feature a more common Serial ATA (SATA) connector. All MacBook Air hard drives or solid state drives must be 1.8 inches wide by 5 mm tall to fit in the frame.
Reassemble MacBook Air. Place the bracket back in the computer and secure it using using the removed screws. Reattach the ribbon connectors for the accessory ports. Replace the back of the computer and secure it with its 10 screws. Boot the computer and install Mac OS X, being sure to test functionality.
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How to Replace the RAM in a MacBook Pro (11 Steps)

Shut down your MacBook Pro. Remove the external cords, power adapter, Ethernet cable and any peripherals.
Allow your computer to cool down for 10 minutes if it has been on. The metal components inside the MacBook Pro can be hot to the touch.
Turn the computer over and open the battery cover release the latch on the computer's bottom. Push the latch in and pull it up. Lift the battery cover off.
Pull up on the tab on the back of the battery. Lift it up to loosen it, then pull it out.
Remove the four screws along the battery compartment with a size 00 screwdriver. Place the screws in a safe place. Remove the four screws near the hinge side. Make a note of where the screws go back into the body of the computer.
Lift the back cover off the computer and locate the memory module in the center of the computer.
Discharge static electricity from your body by touching a metal surface inside the computer.
Remove the existing RAM by pushing out on the retaining clips to release the first module. Remove the RAM, then release and remove the second module.
Hold the new RAM card at a 30-degree angle. Line up the notch in the RAM card with the tabs that are located in the memory slot. Slide the card into the bottom slot, then push down on the outer edge until it clicks into place. Repeat the process with the second module in the top slot.
Place the bottom cover back on and replace the screws into the holes, beginning with the hinge edge. Replace the remaining screws near the battery compartment.
Replace the battery and the battery cover. Close the latch on the back. Turn the computer over and turn it on.
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How to Test a Power Adapter on a Mac (6 Steps)

Connect the 'Magsafe' end of the connector to the power supply port on the left side of the Mac laptop. Connect the two-pronged power supply to a wall outlet or power strip. The light on the 'Magsafe' connector end should light up. If it does not, proceed to Step 2.
Verify a secure connection. Gently pull out the Magsafe connector, then reconnect it to the laptop. Wait a few seconds for the status light to come on. If it does not, unplug the power supply and try another wall outlet or power strip outlet.
Turn on the laptop. Once the Mac OS X desktop loads, click the 'battery icon' in the upper right of the screen. Look for either 'Battery is charged' or 'Battery is charging' in the drop-down menu. If you see neither of these phrases, proceed to Step 4.
Unplug the power supply again from the wall outlet or power strip. Verify that the 'adapter' plug on the end remains securely in place. The Apple power adapter has a removable plug that allows you to connect the Apple power supply extension cable; check that the removable plug remains firmly in place.
Reconnect the power supply plug to the outlet. If the status light still does not turn on or the 'battery icon' does not indicate a fully charged battery or charging battery, proceed to Step 6.
Unplug the 'Magsafe' end of the adapter from the computer. Reconnect it to another Mac laptop. Note that some Apple adapters have different 'Magsafe' plugs, including barrel-shaped, T-shaped and L-style plugs. Verify that your adapter matches the power supply port on the second Mac laptop before connecting. If the second laptop begins charging, the issue lies with the first laptop and the adapter is functioning properly. If the second laptop fails to begin charging, you'll need a replacement power adapter.
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How to Play Music and Audio Sound Remotely From a PC on an iPad

Download the iTunes app 'Remote' to your iPad from the iTunes Music Store.
Launch iTunes on the PC that you want to play music from.
Enable Home Sharing by clicking 'Advanced' and 'Enable Home Sharing' in the pull-down menu at the top of the iTunes window.
Launch the 'Remote' app on your iPad.
Click the icon that looks like a cog at the upper-right hand corner of the app to display the settings menu. Click 'Home Sharing' to enable remote playback through your iPad.
Click the iTunes icon that appears within 'Remote.' This will display the iTunes library of the PC on which you enabled Home Sharing.
Select any song through your iPad to begin playing it back through your PC.
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How to Connect Two Macbooks With a USB Cable (5 Steps)

Stand the MacBook Air on a table. Open the MacBook Air’s lid to reveal the LCD screen. Rotate the MacBook Air so that the LCD screen is facing you.
Pull the port access door on the right side of the MacBook Air down with your fingers. Insert the USB cable from the USB-to-Ethernet adapter into the USB slot that is closest to you inside of the port access door.
Stand the MacBook on the table to the left of the MacBook Air.
Plug one end of the Ethernet cable into the Ethernet port on the USB-to-Ethernet adapter that is connected to the MacBook Air.
Plug the other end of the Ethernet cable into the Ethernet port on the side of the MacBook.
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How to Connect Android to Macbook Pro

Connect your USB data cable to the Android, and to the Macbook.
Pull down the Notification pane on your Andriod. Tap 'USB Connection.' Tap 'USB Mass Storage.'
Search the desktop of your Macbook for the mounted SD card. Double-click this drive to explore its contents.
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