Mac OS X 10.4, 10.5: Gray screen appears during startup

 
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Operating Systems OS X (Apple) OS X Support RSS Mac OS X 10.4, 10.5: Gray screen appears during startup
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Old 03-19-2009
Mac OS X 10.4, 10.5: Gray screen appears during startup

Instead of seeing the Finder or the login window after startup, your display may only show a persistent gray screen (you may also see an Apple logo, spinning gear, spinning globe, or a folder with a flashing question mark on it). Note: The below steps may not apply if a blue screen appears during start up.

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startup(7)						 Miscellaneous Information Manual						startup(7)

NAME
startup - event signalling system startup SYNOPSIS
startup [ENV]... DESCRIPTION
The startup event is generated by the Upstart init(8) daemon after it has completed its own initialisation and is the signal that the rest of the system may be started. Typically this will involve checking and mounting the partitions and drives that form the filesystem, loading drivers for connected devices and starting the X windowing system or other login environment. In the default Upstart configuration, the primary task run on the startup event is the /etc/init/rc-sysinit.conf job responsible for gener- ating the System V compatible runlevel(7) event. See that page for a more detailed explanation of this process. Paradoxically there is currently no corresponding Upstart-native event signifying that the system is to be shutdown, only the System V com- patible runlevel 0 and runlevel 6 events provide this functionality. EXAMPLE
A service with no other dependencies run on startup might use: start on startup SEE ALSO
runlevel(7) init(8) Upstart 2009-07-09 startup(7)