How to Uninstall Cydia Programs

Tap 'Cydia' from your iPhone's home screen to enter the Cydia program. Allow Cydia to perform its automatic update and refresh before proceeding.
Tap the 'Manage' icon on the bottom of the Cydia application screen.
Tap 'Packages' to enter the list of applications that can be removed using Cydia.
Select the application you wish to remove by tapping it. Then tap 'Modify' in the upper-right corner of the application's screen.
Tap 'Remove' on the menu, which will pop up from the bottom.
Tap 'Confirm' in the upper-right corner of the screen that appears after you follow Step 5 to remove the application. After the package is finished uninstalling, tap the button at the bottom of the Cydia screen, which will read 'Return to Cydia.' In some cases, the device may need to be rebooted after you remove the package, in which case the button at the bottom will prompt you to reboot or 'respring' the device.
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How to Connect a Laptop to 3G (5 Steps)

Insert the SIM card into the USB modem, if your carrier requires it. Carriers like AT&T and T-Mobile use SIM cards—a small, fingernail-sized card that contains your personal cellular information. Remove the plastic cap from the modem and insert the SIM card into the slot until it clicks into place. Replace the cap.
Turn on the laptop. Insert the USB modem into an open USB port on the laptop.
Install the software by using the automatic installation wizard. The wizard should start once the laptop recognizes the presence of the new modem. Follow the prompts, accept the license agreement and click 'Install' until a window tells you that the installation is completed. Restart the laptop if prompted.
Connect to 3G with the USB modem by opening the software program that it installed. This can usually be found as a shortcut on the desktop or by opening the Start menu, clicking on 'All Programs' and looking for an application that has the name of your wireless carrier in it. Look for an option to 'Connect.' Choose this to activate the connection.
Open a web browser to test the modem.
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How to Reset the Battery Charger on a MacBook Pro

Power off the MacBook Pro and then disconnect the power cord.
Remove the battery from the MacBook Pro.
Press and hold the power button for five seconds.
Replace the battery and reconnect the power cord.
Power on the MacBook Pro.
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How to Privately Track Your Missing Laptop Computer

Register your laptop computer with the manufacturer. This allows you to have the serial number recorded in their database. Law enforcement officials can easily identify your laptop later.
Apply a security sticker to your laptop. Security stickers come with strong adhesive that is extremely difficult to remove. Security Tracking of Office Property (STOP) stickers even chemically apply 'Stolen Property' tags beneath the sticker on the laptop that make your laptop identifiable as a stolen property; if the thief is able to remove the sticker, the 'Stolen Property' imprint is left showing. These security stickers also include your name, address and telephone number, and request the return of your laptop computer. Stuffbak, StopTheft and TrackItBack make popular security stickers (see Resources below).
Tell your Laptop computer to contact you when it is stolen or missing. Download and install the free laptop tracking software Adeona, and your laptop computer will contact you discreetly when it is missing. Adeona, from University of Washington programmers, is a small program that sends location information at regular intervals to a designated email address. This allows you to locate your missing laptop computer (see Resources below).
Subscribe to laptop computer tracking services. Lojack for Laptop and TrackItBack are popular laptop tracking service providers (see Resources below). For a fee, they will monitor the movement of your computer. They will also notify and work closely with law enforcement officials to recover your missing laptop.
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How to Repair a Dead Key on a Mac Keyboard (4 Steps)

Insert the end of your tweezers under the dead key and gently pry up to pop it out of place. Place the key face-down on a table or desk.
Use your tweezers to remove the plastic hinge from the bottom side of the key.
Fit the hinge in the key compartment, making sure that the clips at the side of the hinge connect securely to the metal tabs on the side of the key compartment.
Fit the key back in the key compartment and gently press down until the key snaps in place. The key should now work without any problems.
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How to Use Micro SD Cards With Apple Laptops (6 Steps)

Remove the microSD card from the slot in your cell phone.
Insert the microSD card into the SD card adapter. It should slide right into the small slot in the card.
Insert the SD card adapter into the media port on the laptop. The port should either show a SD card icon or say SD/MMC next to it.
Open 'Finder' and open the SD card drive.
Drag and drop the files from the SD card to another folder on your laptop.
Drag and drop files saved on your computer to the SD card folder. When you put the microSD card back in to your phone, those files will appear.
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How to Replace the Motherboard on a MacBook

Power down the Macbook. Turn the device over. Take out the battery from the bay. This is done by the pressing of the two catches on the battery's side. Now pull up on the battery. Use the Phillips screwdriver to take out the screws on the bottom of the battery compartment. Remove the compartment.
Flip the Macbook back to the right-side position. Take out the screws on the corners of the rear of the device. Now remove the remaining screws on the three sides of the Macbook. Lift the top of the computer up. The housing will now come off the computer.
Raise the keyboard. Move it away from the computer's body. You will now see the motherboard. Disconnect the orange cord that connects the keyboard to the motherboard. Move the keyboard to one side. Take off the two wires that connect the side of the motherboard to the computer.
Use the screwdriver to take off the yellow tape located on the motherboard. Detach the gold video cable from the motherboard. Utilize the screwdriver to take off the screws on the motherboard.
Raise up the motherboard. Pull out the motherboard's power plug. Now replace the motherboard with the brand new unit.
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How to Delete Multiple Messages in AOL Mail

Log into your AOL Mail account (see Resources).
Press and hold the 'Ctrl' key, and click all the emails you want to delete if you want to remove non-consecutive emails. If you want to delete consecutive emails, press and hold the 'Shift' key and click the first email you want to delete. Hold the 'Shift' key again and click the last email you want to delete. This selects all the emails between the first and last email you selected.
Click the 'Delete' button and then click 'OK' to confirm your selection.
Repeat steps 2 and 3 if you want to delete multiple emails from the 'Saved on AOL' and 'Saved on My PC' folders.
Click the 'Mail' menu and click 'Recently Deleted Mail' if you want to clear multiple emails from the 'Recently Deleted' folder.
Press and hold the 'Ctrl' key and click all the emails you want to delete if you want to remove non-consecutive emails. If you want to delete consecutive emails, press and hold the 'Shift' key and click the first email you want to delete. Hold the 'Shift' key again and click the last email you want to delete. This selects all the emails between the first and last email you selected.
Click the 'Permanently Delete' button.
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How to Replace the Logic Board in a Macbook Pro

Turn your Macbook Pro off and flip it over. Remove the battery from its bay by pressing the two catches on either side of the battery compartment (in the middle of the bottom of your Macbook Pro); then lift out the battery.
Remove the three screws at the bottom of the battery compartment with the Phillips-head screwdriver and lift out the compartment.
Turn your Macbook Pro right-side up and remove the two screws on each corner of the back of the computer. Then remove all the screws on each of the remaining three sides of the computer. Gently lift the top of the Macbook Pro up until the housing comes away from the computer.
Lift the keyboard up by its corners and away from the body of the computer to reveal the green logic board. Detach the orange ribbon connecting the keyboard by gently pulling it loose from the logic board. Place the keyboard aside.
Remove the two wires connected to the sides of the logic board from the computer by inserting the tip of your flat-head screwdriver under the wire and gently lifting upward.
Remove the yellow tape from the top of the logic board with the tip of your flat-head screwdriver. Disconnect the thick gold video cable from the side of the logic board.
Remove the 10 screws on the logic board (eight on the sides and two in the middle) with your Phillips-head screwdriver.
Gently lift the logic board up and remove the power cable from the left side of the logic board by gently pulling it out. With the last connection unplugged, remove the logic board and replace with the new one (available at your Apple retailer or online). Reassemble your Macbook Pro in the reverse order you took it apart.
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How to Remove Dual Boot in Mac

Boot into Mac OS X.
Open the 'Boot Camp Assistant' program in the 'Utilities' folder.
Click 'Create or remove a Windows partition.'
Click 'Continue.'
Click 'Restore.' This deletes the Windows partition and returns the partition scheme to one Mac HFS+ volume filling the entire hard drive. This also removes the dual boot option.
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How to Remove the Keyboard in a MacBook (8 Steps)

Put the soft cloth down on a table. Close the lid of the MacBook and place it face down on the soft cloth. Turn the lock on the bottom panel to release the battery. Slide the battery out of the bottom and put it aside.
Use the Phillips jeweler's screwdriver to remove the three screws running across the long part of the 'L' shaped bracket inside of the battery compartment. Lift the 'L' shaped bracket up and out of the battery compartment.
Use the Phillips jeweler's screwdriver to remove the two screws, one on each side, at the end where the battery cable is located inside the battery compartment.
Lift up on the three metal levers in the battery compartment and remove the screws beneath each using the Phillips jeweler's screwdriver. Use the Phillips jeweler's screwdriver to remove the 2nd, 4th, 7th and 9th screws in the front of the battery compartment, counting from the left side.
Use the Phillips jeweler's screwdriver to remove the three screws from the bottom of the case; two at the back edge and one in the middle. Use the Phillips jeweler's screwdriver to remove the two screws on the outside of the case next to the battery compartment.
Use the Phillips jeweler's screwdriver to remove the two screws on the side of the case next to the optical drive. Remove the four screws from the back of the MacBook where the hinge is with the Phillips jeweler's screwdriver.
Turn the MacBook right side up and put it down on the soft cloth. Open the lid. Grab the back corners of the top plate of the MacBook from both sides. Wiggle the top plate loose.
Grab the top plate from both edges at the front. Slowly lift it up until you see the track pad cable's connector on the case. Pull the connector off the case. Remove the top plate and the keyboard from the case of the MacBook.
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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 Turn Off a MacBook Fan

Shut down your MacBook and disconnect the power supply.
Remove the battery from the bottom of your MacBook.
Press the power button and hold it for five seconds. Reconnect the power supply.
Press the power button again to boot up the MacBook and see if the fan issue has resolved.
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How to Fix a Laptop That Makes a Clicking Noise

Insert a CD or DVD into the optical disk drive to determine if the drive is making the clicking noise. Power the computer off and on to determine if the noise persists while the computer is turned off, or if the noise only occurs while the computer powers up or runs.
Remove any CD or DVD from the disk drive. If the computer makes a clicking sound only when reading from the disk drive, the disk itself may be the problem or the drive may be bad. Insert a different DVD or CD in the drive. If the noise continues, replace the drive or take the computer to a repair shop.
Remove the laptop from any uneven surface. If the surface is not level, the hard drive may not function properly and produce a clicking noise. Place the computer on a level surface and restart it to check that the clicking noise is gone.
Back up any important information from your hard drive onto a CD or external hard drive. If the clicking sound is coming from your hard drive, the drive may be going bad. Back up your important information while the drive is still working. Take the computer to a professional computer repair store to determine if you need to replace your hard drive.
Replace the hard drive if the drive makes a clicking sound because it no longer functions properly. Take the computer to a repair shop or send it to the manufacturer to replace the hard drive. If you have the expertise, you can purchase a new hard drive and replace it yourself. Consult your laptop owner's manual before attempting any repairs.
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How to Fix MacBook Water Damage

Power off your MacBook as soon as it gets wet. If your MacBook was off when it got wet, do not power it back on. Powering the computer on can cause the water to short out some electrical components, and can cause permanent damage to the computer.
Remove the battery, and use a towel or other dry cloth to wipe off any water on the outside of your MacBook.
Fill an airtight container large enough to fit your laptop with dry, uncooked rice, then place your laptop in the container and seal it.
Leave your MacBook in the airtight container with rice for 24 hours. After 24 hours, if the computer still appears to have water in it, return the MacBook to the rice container for an additional 24 hours. If the computer appears to be dry, attempt to power it on.
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How to Use Clipboard on the iPad

Tap on any text field to insert the cursor and bring up the on-screen keyboard.
Hold your finger down on text you want to cut or copy. Use the magnifying glass to make sure the cursor is at the right spot, then remove your finger.
Press the 'Select' option, then move the two edges of the highlighting around and position them to highlight the text you want to cut or copy.
Tap the highlighted text and choose 'Cut' or 'Copy.' Choosing 'Cut' will remove the text and copy it to the clipboard; selecting 'Copy' will copy the text to the clipboard without erasing it.
Paste the clipboard text by tapping on the location you want to paste it. Tap the 'Paste' option. Your clipboard text is now pasted onto the screen.
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How to Clear an AutoFill on a Macbook (4 Steps)

Launch Safari from your desktop and click the 'Safari' button located at the top of your browser. Scroll down the pop-up menu and click 'Reset Safari' to launch the 'Reset Safari' window.
Uncheck all the options except 'Remove other AutoFill form text.' Click 'Reset.' Safari deletes all the AutoFill information you have used on your browser.
Turn off AutoFill if you no longer want to use it. To do so, click the 'Safari' button on your web browser and click 'Preferences.' Click the 'AutoFill' button. You should see 'AutoFill Web Forms.' Uncheck the following options to disable AutoFill: 'Using info from my address book card,' 'User names and passwords,' and 'Other forms.'
Close the browser preferences window. Safari will no longer automatically fill in forms.
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How to Repair a Dead Laptop Battery

Shut down the power on your laptop and close the screen.
Locate the battery case on the underside of your laptop. The case will be a narrow rectangle shape, and be about as long as the width of the laptop.
Notice a lock/unlock sliding switch underneath your laptop. Usually there are two of these switches, each with a battery symbol, near each end of the battery case.
Grasp the laptop battery with your fingertips as you slide one of the switches to the unlock position. Now unlock the second sliding switch. The battery case should now come loose, which will allow you to remove it from the laptop.
Put the battery case in a large freezer bag. Make sure the bag is sealed completely and place it in your freezer for 12 hours.
Remove the bag from the freezer after 12 hours have passed. Take your laptop battery out of the freezer bag and allow it to completely return to room temperature. If condensation appears on the battery case, wipe it away with a small towel.
Slide the battery case back into the empty compartment on the bottom of your laptop. Make sure to lock the battery in place by moving both lock/unlock switches to the locked position.
Plug your laptop into a wall outlet, but do not turn it on. Allow the battery to charge for several hours.
Turn your laptop on and check the battery monitoring icon to see if the unit is fully charged. Usually the icon is on the bottom right side of the computer screen. Wait until the icon shows a full charge before proceeding.
Remove the wall outlet power and continue using your laptop, or let it sit with the power on, until the battery runs completely down. Now plug power back into the laptop and fully recharge your battery. Repeat this cycle of charging and discharging four times. After the fourth cycle you should notice your battery holding a charge for a much longer time than before.
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How to Clear the PMU on a Mac (4 Steps)

Quit all of your active applications and shut down your Mac.
Once your computer is completely shut down, disconnect the computer's AC power Adapter and remove the battery from your Mac.
Press and hold down the power button on your MacBook or MacBook Pro for at least five seconds and then release the power button.
With your Mac still shut off, reinstall the battery in your MacBook or MacBook Pro and reconnect the AC Adapter. The PMU/SMU has now been reset on your computer.
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How to Uninstall and Reinstall Bluetooth on a Mac

Click the Apple icon in the upper-left corner of the menu bar on the desktop screen. Select 'System Preferences' from the drop-down menu.
Double-click the 'Bluetooth' icon in the Hardware section of the System Preferences window. Click the device you wish to remove in the sidebar of the Bluetooth window to highlight it. Click the '-' button to remove it.
Turn on your Bluetooth device. Click the 'Set Up New Device' button. The setup assistant will scan for any Bluetooth-enabled devices and display them in the discovered list. Click your Bluetooth device in the detected devices list. Click 'Next' to proceed with the device setup.
Type the pass code displayed in the Bluetooth assistant if you're pairing a Bluetooth keyboard, or simply click 'Done' in the setup assistant to confirm the device and finish the setup.
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