2Sun Blade 150 CD-ROM, DVD-ROM, and Hard Drive Installation Guide • June 2002
Preparing to Replace Components
Follow these procedures to ensure that you safely save data and power offthe
system.

Powering Off the System

Caution – Exit from the operating system before turning off system power.Failure
to do so may result in data loss.
1. Back up system files and data.
■If Solaris is running in a windowing environment:
Momentarily press and release the front panel power switch (FIGURE1)to
automatically shut down all programs,the operating system, and to power off the
system.
From the system shutdown menu displayed on the monitor,select “Shutdown.”
■If Solaris is not running in a windowing environment:
Press and hold the frontpanel power switch (FIGURE 1) for four seconds to power
off the system.
Caution – This action forces an immediate power off of the system and unsaved
data is lost.
FIGURE1 Front Panel Power Switch
Power switch