Difference between revisions of "Startup key combinations for Macs"

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__NOTOC__
  
__NOTOC__
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= Startup key combinations for Macs =
  
 
=== Intel-based Macs ===
  
=== Intel-based Macs ===
 
{| border="1" cellpadding="2" cellspacing="0"
  
{| border="1" cellpadding="2" cellspacing="0"
−
| Press C during startup
+
| Press C during startup
  +
| Start up from a bootable CD or DVD, such as the Mac OS X Install disc that came with the computer.
 
|-
  
|-
−
| Press D during startup
+
| Press D during startup
  +
| Start up in Apple Hardware Test (AHT), if the Install DVD 1 is in the computer.
 
|-
  
|-
−
| Press Option-Command-P-R
+
| Press Option-Command-P-R
  +
| Press until you hear two beeps. Reset NVRAM
 
|-
  
|-
−
| Press Option during startup
+
| Press Option during startup
  +
| Starts into Startup Manager, where you can select a Mac OS X volume to start from.
 
|-
  
|-
−
| Press N
+
| Press N
  +
| Make the the first bootable Network volume appear as well.
 
|-
  
|-
−
| Press Eject, F12, or hold the mouse (/trackpad) button
+
| Press Eject, F12, or hold the mouse (/trackpad) button
  +
| Ejects any removable media, such as an optical disc.
 
|-
  
|-
−
| Press N during startup
+
| Press N during startup
  +
| Attempt to start up from a compatible network server (NetBoot).
 
|-
  
|-
−
| Press T during startup
+
| Press T during startup
  +
| Start up in FireWire Target Disk mode.
 
|-
  
|-
−
| Press Shift during startup
+
| Press Shift during startup
  +
| Start up in Safe Boot mode and temporarily disable login items.
 
|-
  
|-
−
| Press Command-V during startup
+
| Press Command-V during startup
  +
| Start up in Verbose mode.
 
|-
  
|-
−
| Press Command-S during startup
+
| Press Command-S during startup
  +
| Start up in Single-User mode.
 
|-
  
|-
−
| Press Option-N during startup
+
| Press Option-N during startup
  +
| Start from a NetBoot server using the default boot image.
 
|}
  
|}
   
 
=== Apple Boot Key Combos ===
  
=== Apple Boot Key Combos ===
 
{| border="1" cellpadding="2" cellspacing="0"
  
{| border="1" cellpadding="2" cellspacing="0"
−
| Bypass startup drive and boot from external (or CD)
+
| Bypass startup drive and boot from external (or CD)
  +
| CMD-OPT-SHIFT-DELETE
 
|-
  
|-
−
| Boot from CD (Most late model Apples)
+
| Boot from CD (Most late model Apples)
  +
| C
 
|-
  
|-
−
| Force the internal hard drive to be the boot drive
+
| Force the internal hard drive to be the boot drive
  +
| D
 
|-
  
|-
−
| Boot from a specific SCSI ID #.(#=SCSI ID number)
+
| Boot from a specific SCSI ID #.(#=SCSI ID number)
  +
| CMD-OPT-SHIFT-DELETE-#
 
|-
  
|-
−
| Zap PRAM
+
| Zap PRAM
  +
| CMD-OPT-P-R
 
|-
  
|-
−
| Boot into open Firmware
+
| Boot into open Firmware
  +
| CMD-OPT-O-F
 
|-
  
|-
−
| Clear NV RAM. Similar to reset-all in open Firmware
+
| Clear NV RAM. Similar to reset-all in open Firmware
  +
| CMD-OPT-N-V
 
|-
  
|-
−
| Disable Extensions
+
| Disable Extensions
  +
| SHIFT
 
|-
  
|-
−
| Rebuild Desktop
+
| Rebuild Desktop
  +
| CMD-OPT
 
|-
  
|-
−
| Close finder windows.(hold just before finder starts)
+
| Close finder windows.(hold just before finder starts)
  +
| OPT
 
|-
  
|-
−
| Boot with Virtual Memory off
+
| Boot with Virtual Memory off
  +
| CMD
 
|-
  
|-
−
| Trigger extension manager at boot-up
+
| Trigger extension manager at boot-up
  +
| SPACE
 
|-
  
|-
−
| Force Quadra av machines to use TV as a monitor
+
| Force Quadra av machines to use TV as a monitor
  +
| CMD-OPT-T-V
 
|-
  
|-
−
| Boot from ROM (Mac Classic only)
+
| Boot from ROM (Mac Classic only)
  +
| CMD-OPT-X-O
 
|-
  
|-
−
| Force [[PowerBooks]] to reset the screen
+
| Force PowerBooks to reset the screen
  +
| R
 
|-
  
|-
−
| Force an AV monitor to be recognized as one
+
| Force an AV monitor to be recognized as one
  +
| CMD-OPT-A-V
 
|-
  
|-
−
| Eject Boot Floppy
+
| Eject Boot Floppy
  +
| Hold Down Mouse Button
 
|-
  
|-
−
| Select volume to start from
+
| Select volume to start from
  +
| OPT
 
|-
  
|-
−
| Start in Firewire target drive mode
+
| Start in Firewire target drive mode
  +
| T
 
|-
  
|-
−
| Startup in OSX if OS9 and OXS in boot partition
+
| Startup in OSX if OS9 and OXS in boot partition
  +
| X or CMD-X
 
|-
  
|-
−
| Attempt to boot from network server (Hold until Mac Logo appears)
+
| Attempt to boot from network server (Hold until Mac Logo appears)
  +
| N
 
|-
  
|-
−
| Hold down until the 2nd chime, will boot into 9?
+
| Hold down until the 2nd chime, will boot into 9?
  +
| CMD-OPT
 
|-
  
|-
−
| OSX: Watch the status of the system load
+
| OSX: Watch the status of the system load
  +
| CMD-V
 
|-
  
|-
−
| OSX: Enter single-user mode (shell-level mode)
+
| OSX: Enter single-user mode (shell-level mode)
  +
| CMD-S
 
|}
  
|}
   
 
=== After startup ===
  
=== After startup ===
 
{| border="1" cellpadding="2" cellspacing="0"
  
{| border="1" cellpadding="2" cellspacing="0"
−
| Bring up dialogue for shutdown/sleep/restart
+
| Bring up dialogue for shutdown/sleep/restart
  +
| POWER
 
|-
  
|-
−
| Eject a Floppy Disk
+
| Eject a Floppy Disk
  +
| CMD-SHIFT-1 or(2) or (0)
 
|-
  
|-
−
| Force current app to quit
+
| Force current app to quit
  +
| CMD-OPT-ESC
 
|-
  
|-
−
| Unconditionally reboot
+
| Unconditionally reboot
  +
| CTRL-CMD-POWER
 
|-
  
|-
−
| Fast Shutdown
+
| Fast Shutdown
  +
| CTRL-CMD-OPT-POWER
 
|-
  
|-
−
| Goto the debugger (if [[MacsBug]] is installed)
+
| Goto the debugger (if MacsBug is installed)
  +
| CMD-POWER
 
|-
  
|-
−
| Reset Power Manager on [[PowerBooks]]
+
| Reset Power Manager on PowerBooks
  +
| USE THIS LINK
 
|-
  
|-
−
| Put late model [[PowerBooks]] & Desktops to sleep
+
| Put late model PowerBooks & Desktops to sleep
  +
| CMD-OPT-POWER
 
|}
  
|}
   
 
=== Application Specific Keys ===
  
=== Application Specific Keys ===
  +
Startup key combos to reset the resolution on video boards:
 
{| border="1" cellpadding="2" cellspacing="0"
  
{| border="1" cellpadding="2" cellspacing="0"
  +
| SuperMac (at least some models)
  +
| Press & hold OPT
 
|-
  
|-
  +
| Imagine 128 Card (reset resolution)
−
| [[SuperMac]] (at least some models)press&hold
 
  +
| N
 
|-
  
|-
  +
| RasterOps (at least some models)
−
| Imagine 128 Card (reset resolution)
 
  +
| Press & hold CMD-OPT-SHIFT
 
|-
  
|-
  +
| Radius (Use cable sense pins to set resolution)
−
| [[RasterOps]] (at least some models)press&hold
 
  +
| U
 
|-
  
|-
−
| Radius (Use cable sense pins to set resolution)
+
| Radius (Cycle through available resolutions)
−
|-
 +
| T
−
| Radius (Cycle through available resolutions)
 
 
|}
  
|}
   
 
=== Conflict Catcher ===
  
=== Conflict Catcher ===
 
{| border="1" cellpadding="2" cellspacing="0"
  
{| border="1" cellpadding="2" cellspacing="0"
−
| Pause Boot
+
| Pause Boot
  +
| P
 
|-
  
|-
−
| Launch CC at Startup
+
| Launch CC at Startup
  +
| SPACE or CAPS LOCK
 
|-
  
|-
−
| Skip remaining extensions
+
| Skip remaining extensions
  +
| CMD-PERIOD
 
|-
  
|-
−
| Reboot cleanly while loading extensions
+
| Reboot cleanly while loading extensions
  +
| CMD-R
 
|}
  
|}
   
 
=== RAM Doubler ===
  
=== RAM Doubler ===
 
{| border="1" cellpadding="2" cellspacing="0"
  
{| border="1" cellpadding="2" cellspacing="0"
−
| Disable at Startup
+
| Disable at Startup
  +
| ~ (Tilde) or ESC
 
|}
  
|}
   
 
=== Apple System Installer ===
  
=== Apple System Installer ===
 
{| border="1" cellpadding="2" cellspacing="0"
  
{| border="1" cellpadding="2" cellspacing="0"
−
| Change custom install to clean install
+
| Change custom install to clean install
  +
| CMD-Shift-K
 
|}
  
|}
   
 
=== Claris Emailer ===
  
=== Claris Emailer ===
 
{| border="1" cellpadding="2" cellspacing="0"
  
{| border="1" cellpadding="2" cellspacing="0"
−
| Bypass specified startup connections
+
| Bypass specified startup connections
  +
| Hold CMD at launch
 
|-
  
|-
−
| Bring up rebuild options
+
| Bring up rebuild options
  +
| Hold OPT at launch
 
|}
  
|}
−  
−
== Password recovery ==
  
−
On client the procedure is:
  
−
# Boot on single-user mode
  
−
# Change the password on command-line:
  
−
 
−
<pre><nowiki>
  
−
# passwd my_user
  
−
</nowiki></pre>
  
−  
−  
−
On XServe the procedure is:
  
−
# Boot on single-user mode:
  
−
# Mount partition
  
−
 
−
<pre><nowiki>
  
−
# fsck
  
−
# mount -uw /
  
−
</nowiki></pre>
  
−  
−
# Change password
  
−
 
−
<pre><nowiki>
  
−
# nicl -raw /var/db/netinfo/local.nidb -create /users/$newuser _writers_passwd administrator
  
−
# passwd administrator
  
−
</nowiki></pre>
  
−  
−  
−
== Create a new user with administrative privileges ==
  
−
First write down the gid which comes from admin group
  
−
 
−
<pre><nowiki>
  
−
# nicl -raw /var/db/netinfo/local.nidb -read /groups/admin
  
−
</nowiki></pre>
  
−  
−
Lets say, the gid is '''''20''''', then from command line execute:
  
−
 
−
<pre><nowiki>
  
−
# nicl -raw /var/db/netinfo/local.nidb -create /users/my_user
  
−
# nicl -raw /var/db/netinfo/local.nidb -create /users/my_user uid my_user_id
  
−
# nicl -raw /var/db/netinfo/local.nidb -create /users/my_user realname "My User Real Name"
  
−
# nicl -raw /var/db/netinfo/local.nidb -create /users/my_user passwd "my_user_passwd"
  
−
# nicl -raw /var/db/netinfo/local.nidb -create /users/my_user gid 20
  
−
# nicl -raw /var/db/netinfo/local.nidb -create /users/my_user shell "/bin/bash"
  
−
# nicl -raw /var/db/netinfo/local.nidb -create /users/my_user home "/Users/my_user"
  
−
# nicl -raw /var/db/netinfo/local.nidb -create /users/my_user _writers_passwd my_user
  
−
# passwd my_user
  
−
# ditto /System/Library/UserTemplate/English.lproj /Users/my_user
  
−
# chown -R my_user:staff /Users/my_user
  
−
# nicl -raw /var/db/netinfo/local.nidb -read /users/my_user
  
−
# nicl -raw /var/db/netinfo/local.nidb -append /groups/wheel users my_user
  
−
# nicl -raw /var/db/netinfo/local.nidb -append /groups/admin users my_user
  
−
</nowiki></pre>
  

Latest revision as of 06:07, 28 May 2013

Intel-based Macs

Press C during startup Start up from a bootable CD or DVD, such as the Mac OS X Install disc that came with the computer.
Press D during startup Start up in Apple Hardware Test (AHT), if the Install DVD 1 is in the computer.
Press Option-Command-P-R Press until you hear two beeps. Reset NVRAM
Press Option during startup Starts into Startup Manager, where you can select a Mac OS X volume to start from.
Press N Make the the first bootable Network volume appear as well.
Press Eject, F12, or hold the mouse (/trackpad) button Ejects any removable media, such as an optical disc.
Press N during startup Attempt to start up from a compatible network server (NetBoot).
Press T during startup Start up in FireWire Target Disk mode.
Press Shift during startup Start up in Safe Boot mode and temporarily disable login items.
Press Command-V during startup Start up in Verbose mode.
Press Command-S during startup Start up in Single-User mode.
Press Option-N during startup Start from a NetBoot server using the default boot image.

Apple Boot Key Combos

Bypass startup drive and boot from external (or CD) CMD-OPT-SHIFT-DELETE
Boot from CD (Most late model Apples) C
Force the internal hard drive to be the boot drive D
Boot from a specific SCSI ID #.(#=SCSI ID number) CMD-OPT-SHIFT-DELETE-#
Zap PRAM CMD-OPT-P-R
Boot into open Firmware CMD-OPT-O-F
Clear NV RAM. Similar to reset-all in open Firmware CMD-OPT-N-V
Disable Extensions SHIFT
Rebuild Desktop CMD-OPT
Close finder windows.(hold just before finder starts) OPT
Boot with Virtual Memory off CMD
Trigger extension manager at boot-up SPACE
Force Quadra av machines to use TV as a monitor CMD-OPT-T-V
Boot from ROM (Mac Classic only) CMD-OPT-X-O
Force PowerBooks to reset the screen R
Force an AV monitor to be recognized as one CMD-OPT-A-V
Eject Boot Floppy Hold Down Mouse Button
Select volume to start from OPT
Start in Firewire target drive mode T
Startup in OSX if OS9 and OXS in boot partition X or CMD-X
Attempt to boot from network server (Hold until Mac Logo appears) N
Hold down until the 2nd chime, will boot into 9? CMD-OPT
OSX: Watch the status of the system load CMD-V
OSX: Enter single-user mode (shell-level mode) CMD-S

After startup

Bring up dialogue for shutdown/sleep/restart POWER
Eject a Floppy Disk CMD-SHIFT-1 or(2) or (0)
Force current app to quit CMD-OPT-ESC
Unconditionally reboot CTRL-CMD-POWER
Fast Shutdown CTRL-CMD-OPT-POWER
Goto the debugger (if MacsBug is installed) CMD-POWER
Reset Power Manager on PowerBooks USE THIS LINK
Put late model PowerBooks & Desktops to sleep CMD-OPT-POWER

Application Specific Keys

Startup key combos to reset the resolution on video boards:

SuperMac (at least some models) Press & hold OPT
Imagine 128 Card (reset resolution) N
RasterOps (at least some models) Press & hold CMD-OPT-SHIFT
Radius (Use cable sense pins to set resolution) U
Radius (Cycle through available resolutions) T

Conflict Catcher

Pause Boot P
Launch CC at Startup SPACE or CAPS LOCK
Skip remaining extensions CMD-PERIOD
Reboot cleanly while loading extensions CMD-R

RAM Doubler

Disable at Startup ~ (Tilde) or ESC

Apple System Installer

Change custom install to clean install CMD-Shift-K

Claris Emailer

Bypass specified startup connections Hold CMD at launch
Bring up rebuild options Hold OPT at launch
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