Cheat Sheet

iMac For Dummies

From iMac For Dummies, 8th Edition by Mark L. Chambers

If you're new to the iMac, you'll be eager to discover its exciting possibilities. To get the most out of your iMac, use the keyboard shortcuts for OS X Mavericks, follow a recommended maintenance schedule, and, if you run into a problem, follow the troubleshooting steps.

Using an iMac: Mavericks Finder Keyboard Shortcuts

Keyboard shortcuts help make working in OS X Mavericks on your iMac quick and efficient. Key combinations provide easy options for performing common tasks on your iMac, such as displaying and manipulating windows and copying and moving files.

Key Function
Command+A Selects all items in the active window (Icon view), all items in the column (Column view), or all items in the list (Cover Flow view
Command+C Copies the selected items
Command+D Duplicates the selected item or items
Command+E Ejects the selected volume
Command+F Displays the Find dialog
Command+H Hides all Finder windows
Command+I Shows info for the selected item or items
Command+J Shows the view options for the active window
Command+K Displays the Connect to Server dialog
Command+L Creates an alias for the selected item
Command+M Minimizes the active window
Command+N Opens a new Finder window
Command+O Opens (or launches) the selected item
Command+R Shows the original for the selected alias
Command+T Opens a new Finder tab within a Finder window
Command+V Pastes items from the Clipboard
Command+W Closes the active window
Command+X Cuts the selected items
Command+Z Undoes the last action (if possible)
Command+, Displays Finder Preferences
Command+1 Shows the active window in icon mode
Command+2 Shows the active window in list mode
Command+3 Shows the active window in column mode
Command+4 Shows the active window in cover flow mode
Command+[ Moves back to the previous Finder location
Command+] Moves forward to the next Finder location
Command+Del Moves selected items to the Trash
Command+Up Arrow Shows the enclosing folder
Command+` Cycles through windows and tabs
Command+? Displays OS X Help Viewer
Command+Shift+A Goes to your Applications folder
Command+Shift+C Goes to the top-level Computer location
Command+Shift+D Goes to the Desktop
Command+Control+F Toggles Full Screen mode
Command+Shift+G Goes to the specified folder
Command+Shift+H Goes to your Home folder
Command+Shift+K Goes to your Network location
Command+Option+L Goes to your Downloads folder
Command+Shift+Q Logs you out
Command+Shift+N Creates a new untitled folder in the active window
Command+Shift+O Goes to your Documents folder
Command+Shift+U Goes to your Utilities folder
Command+Shift+Del Deletes the contents of the Trash
Command+Option+H Hides all windows except the Finder's window(s)
Command+Option+I Opens the Inspector for the selected items
Command+Option+N Creates a new Smart folder
Command+Option+T Hides the Finder window toolbar and sidebar
Command+Option+Space Opens the Spotlight window
Command+/ Toggles display of the Status Bar
Command+Space Opens the Spotlight menu
Control+Up Arrow (or F3, depending on your keyboard model) Displays the Mission Control screen
Control+Down Arrow (or Control+F3, depending on your keyboard model) Shows all open windows for the current application using Mission Control
F11 (or Command+F3, depending on your keyboard model) Hides all windows to display the Desktop using Mission Control
F12 (or F4, depending on your keyboard model) Displays your Dashboard widgets
Space Displays the contents of a file using Quick Look

Recommended Maintenance Schedule for Your iMac

Following a recommended maintenance schedule for your iMac will help you avoid problems and keep your computer running smoothly. Use this iMac maintenance guide as a handy reminder.

Task Schedule
Check for updates with Software Update (through the App Store) Automatic setting
Back up with Time Machine Automatic
Defragment older magnetic hard drives using Micromat TechTool Pro or Prosoft Engineering Drive Genius (the Solid-state and Fusion drives in the latest iMac models should never be defragmented) Once a month
Repair Disk Permissions (Disk Utility) Once a week
Delete unnecessary user accounts (System Preferences) As necessary
Scan for viruses (using Intego VirusBarrier 2013 or ClamXav 2) Automatic
Check all volumes for errors (using Disk Utility or Prosoft Engineering Drive Genius) Once a week
Check for the latest drivers for your external hardware Once a month (or after adding new hardware)

iMac Troubleshooting Steps

Anyone can troubleshoot, so if you run into a problem with your iMac, don't be dismayed! Follow these troubleshooting steps to get your iMac back up and running.

  1. Reboot.

  2. Check all cables.

  3. Investigate recent changes you made to your hardware or software.

  4. Run Disk Utility and repair your disk permissions.

  5. Check the contents of your Trash for files you might have deleted accidentally.

  6. Check your Internet, wireless, and network connections to make sure they're still working.

  7. Run a virus scan, using your antivirus application.

  8. Disable your account's Login Items and reboot.

  9. Turn off your screen saver.

  10. Run System Profiler or TechTool Pro and check the status of your hardware.

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