How to Sync Mac Laptop to Mac Desktop (5 Steps)

Connect the power port on the MagSafe connector into the power connection on the MacBook. This allows you to charge the laptop while it is connected to the desktop display.
Insert the USB cable, also running out of the MagSafe cable, into one of the USB ports on the side of the Macbook.
Connect the mini DVI cable (also part of the MagSafe connector) into the mini DVI connection port, located on the left side of the MacBook computer.
Insert the opposite end of the MagSafe cable (a single USB cable) into one of the self-powered USB ports, located on the rear of the Mac desktop display.
Power on the MacBook and the desktop display. The content of the laptop now syncs with the desktop.
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How to Recover an Overwritten File on a Mac (4 Steps)

Open the folder where your overwritten or deleted file was located in the Finder. If it was on the Desktop, simply close all other windows.
Select 'Enter Time Machine' from the Time Machine (backwards-running clock) icon in the Applications folder. Alternatively, if you have the Time Machine icon in your dock, simply select that.
Click the up arrows or a point in time on the bars at the right to 'travel back in time' -- that is, to see how the folder looked in the past. Locate the file(s) or folder(s) you want to restore.
Click 'Restore.' If your file was deleted, it will be restored to your drive. If it was an older version, your Mac will ask you which version you want to keep -- the original (newer file), both files, or if you want to replace the original (newer file) with the older one. Make your decision and proceed.
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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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How to Restart a Mac Into a PC Setting (3 Steps)

Press and hold down the 'Option' key. Turn on the Mac. Wait for the 'Volume selection' screen to appear before releasing the 'Option' key. Select the icon of the disk image that has been made from the Windows operating system. Click the 'OK' button to have the Mac boot up as a PC running Windows.
Double-click on the 'System' folder inside the Mac's main hard drive to open a window. Double-click on the 'Library' folder inside the window. Double-click on the 'PreferencesPanes' folder inside the new window that appears. Scroll down to 'StartupDisc.prefPane.' Press down on the 'Option' key while dragging 'StartupDisc.prefPane' to the desktop. Place the 'shortcut' icon of 'StartupDisc.prefPane' that was just made in the lower right corner of the screen. Close the open Finder windows by clicking the red buttons in their upper left corners. Double-click on the 'StartupDisc.prefPane' shortcut icon. The Mac will now reboot as a PC running Windows.
Go to the 'Apple' menu. Select 'System Preferences' from the drop down menu. Select 'Startup Disk' from beneath the 'System' tab in the window that appears. Click on the icon of the disk image that has been made from the Windows operating system from the list of choices presented in a column in a new window. Click on the 'Restart' button beneath and to the right of the disk image's icon. Click on the 'Restart' button on the confirmation window that pops up.
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How to Sync iCal on Two Macs (21 Steps)

From the Apple menu, select 'System Preferences' and click on the 'MobileMe' icon. If you are running an old version of OSX, the icon will be '.Mac' but it will take you to the MobileMe site at Apple.
Click on the 'Sync' tab.
Check the 'Synchronize with MobileMe' box and select 'Automatically' from the drop-down menu to the right.
To sync iCal, select 'Calendars.'
Log all the computers to be synchronized into your MobleMe account.
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How to Determine If You Need More RAM in Your Computer

Eliminate any problems that could be causing effects that you may mistakenly blame on a lack of RAM. Use measures such as scanning your computer for viruses, defragmenting your hard drive and making sure at least 10 percent of the capacity on your hard drive is unused.
Look out for specific problems that may result from not having enough RAM. The main one is applications running slowly and being unresponsive. Less common ones include parts of the display on your screen appearing to be missing, or on-screen messages explicitly referring to a lack of memory.
Keep track of the problems you experience over the course of several days, noting which applications you are running. If the issue is related to a lack of RAM, the problems should happen regularly and not necessarily be affected by the particular application you are running.
Check how much RAM your computer uses. Open and run a typical combination of applications that you would normally be running at the same time. Then open Windows Task Manager by clicking the Start button (the Windows logo at the bottom left of the screen), typing 'task manager' and pressing the Enter key. In Task Manager, keep an eye on the figure next to 'Physical Memory' while carrying out a range of typical tasks in the applications you have open. If the listed figure is consistently at or close to 100 percent of memory, you may benefit from added RAM.
Check whether your operating system is 32-bit or 64-bit by clicking the Start button, then clicking 'System and Security' then 'System.' Look for the details next to 'System type.' If you have a 32-bit system, you will not get any benefit from having more than 4 GB of RAM.
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How to Customize Roundcube Webmail

Download the latest version of Roundcube from roundcube.net. The Roundcube installation file is in the format of a tarball (.tar.gz) archive.
Make sure that your Web server meets the system requirements for installing Roundcube. You can use an Apache, Cherokee or Lighttpd Web server running at least PHP 5.2.1 with the IMAP extension installed. You should also have SMTP installed or the ability to use PHP as a mail server.
Install MySQL or PostgreSQL, depending on your preference, if a database engine is not already installed. Create a database for Roundcube usage. You can download MySQL from mysql.com and PostgreSQL from postgresql.org.
Install Roundcube. You can install it manually from the tarball archive file or automatically if your Web host offers the client as an option in your account's control panel.
Specify if you would like a drop-down menu of log-in options when you see the prompt to enter your IMAP host. For example: $rcmail_config['default_host'] = array('mail.yourhost.com', 'webmail.yourhost.com', 'ssl://mail.yourhost.com:993') You can always change this option by modifying the main.inc.php file in the config folder of your installation.
Test the installation of Roundcube. If it was successful, you will be able to log in to the client via your browser.
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How to Replace a Hard Drive in a Macbook Air

Place the MacBook Air on a clean work surface, so that the bottom of the computer is pointing up. Remove the screws around the perimeter of the hard drive using the Phillips-head screwdriver. Lift the bottom of the case off the computer.
Locate the black cable running from the large black battery to the logic board. Lift it off the logic board carefully. Unscrew the battery from the case, using the Phillips-head screwdriver, and then lift it out of the case.
Locate the hard drive in the upper-left corner of the case. Locate the orange ribbon cable that goes over the hard drive. Pull the black pull tab that secures the ribbon cable to the logic board and lift the cable off the logic board. Pry off the ribbon cable connection from the speaker to the logic board, using the spudger.
Unplug the audio-out cable socket from the logic board, using the spudger, then pry the hard drive cable connector off the board, using the spudger. Pull the black cable, located above the hard drive, in the seam between the case and the drive, out of the case using the spudger, then remove the screw cover from the hard drive bracket, using the Phillips-head screwdriver. Unscrew the hard drive from the case, using the Phillips-head screwdriver, then lift the hard drive out of the case.
Push the hard drive out of the case, then pull the rubber shock isolator off the hard drive. Remove the ribbon cable from the hard drive, using the spudger. Install the ribbon cable into the replacement hard drive and install the rubber shock isolator around the hard drive. Push the replacement hard drive into the case with both hands. Reinstall the drive in the case with the Phillips-head screwdriver, then reassemble the computer in the reverse order of the disassembly procedure.
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How to Get Rid of Pinwheel on Mac (6 Steps)

Click the desktop screen to access the Finder menu, and click the Apple menu at the top of the screen.
Click 'Force Quit' and select the application that has 'Not Responding' next to it in parentheses.
Click 'Force Quit' in the list of currently running applications, and click 'Force Quit' in the pop-up dialogue box to confirm you want to shut down the application. Any unsaved information in the application will be lost during the force quit action.
Click the Go menu at the top of the desktop, and click 'Utilities.'
Double-click 'Activity Monitor' and click the :'System Memory' tab near the bottom of the application window.
Click 'CPU' to sort the running processes according to central processing unit usage, and click the process that has a high CPU number. Click 'Quit Process' to close the process, free up memory and restore stability to your computer's memory.
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How to Tether With an iPad (3 Steps)

Acquire a portable device capable of receiving a cellular data signal and acting as a Wi-Fi router. This could be a jail-broken iPhone with a suitable application running, a cell phone, a smartphone or a portable 3G router. Follow its instructions to begin transmitting a Wi-Fi signal.
Launch the iPad's 'Settings' application, and tap the 'Wi-Fi' button. The iPad will automatically scan for wireless networks within range.
Tap the entry for your portable Wi-Fi router. If requested, enter the security key and tap the 'Connect' button. The iPad will now receive an Internet connection from the Wi-Fi router.
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