Startup Keystrokes

Startup Keystrokes

Keys to Hold Down

Effect

C

Starts up from a CD or DVD

N

Starts up from a network server

R

Resets the laptop screen

⌘-R

Starts Recovery Mode

T

Puts the Mac into FireWire or Thunderbolt Target Disk mode

Option

Shows icons of all startup disks and partitions, so you can choose one for starting up.

Shift-Option-⌘-Delete

Starts up from external drive (or CD)

Option-⌘-P-R

Zaps the parameter RAM (PRAM). (Hold down until you hear the second chime.)

⌘-V

Shows Unix console messages during startup, logout, and shutdown

⌘-S

Starts up in single-user (Unix command-line) mode

Mouse down

Ejects a stuck CD or DVD

6 and 4 keys

Starts up in 64-bit mode

Shift

Just after powering up: Turns off kernel extensions

Shift

Just after logging in: Prevents Finder windows and startup items from opening. (They’ll return the next time you start up.)

In the Finder

⌘-space

Highlights Spotlight box

Option-⌘-space

Opens Spotlight window

→, ←

Expands or collapses a selected folder in list view

Option-→

Expands a folder in a list view and all folders inside it

Option-←

Collapses a folder and all folders inside it

⌘-↑

Opens parent folder

Shift-Option-⌘-↑

Selects the desktop

⌘-↓ (or ⌘-O)

Opens the selected icon

Option-click the flippy triangle

Expands or collapses all folders within that window

Tab

Selects next icon alphabetically

Shift-Tab

Selects previous icon alphabetically

space bar

Opens Quick Look preview of highlighted icon(s)

space bar

During a spring-loaded folder drag, opens the disk or folder under the mouse immediately

Option-click ...

Get Mac OS X Lion: The Missing Manual now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.