Last Updated on May 14, 2020 by Next Century
This tutorial will teach you how to reset your admin password in Mac OS X 10.6 without the installation discs.
This method will be done through a system reboot in Single User Mode.
Reset Admin Password on Mac OS X 10.5 and 10.6
The below instructions also applies to Mac OS X 10.5 (Leopard) and Mac OS X 10.6 (Snow Leopard).
Boot your Mac while holding the Command + S keys down to access the Single User Mode
Then run the following commands
mount -uw /
Press Enter
launchctl load /System/Library/LaunchDaemons/com.apple.DirectoryServices.plist
Press Enter
ls /Users
Press Enter
This command list the all users accounts registered on the computer
dscl . -passwd /Users/username password
Press Enter
Replace username by the name of the desired user account
Replace password with your new password
reboot
Press Enter
Reset Admin Password on Mac OS X 10.4 (Tiger)
The procedure is slightly different for Mac OS X 10.4 (Tiger).
Boot your Mac while holding the Command + S keys down to access the Single User Mode
Then run the following commands
sh /etc/rc /
Press Enter
passwd username
press Enter
Replace username by the name of the desired user account
Enter the new password (it does not appear on screen)
reboot
press Enter