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170 Removing and Installing Parts
Replacing the Chassis Fan
1
Follow the procedures in "Before You Begin" on page 103.
2
Remove the computer cover (see "Removing the Computer Cover" on
page 105).
3
Slide the chassis fan in place towards the back of the computer.
4
Tighten the screw to secure the chassis fan.
System Board
Removing the System Board
CAUTION: To guard against likelihood of electric shock, laceration by moving fan
blades or other unexpected injuries, always unplug your computer from the
electrical outlet before opening the cover.
CAUTION: The heat sink assembly, power supply, and other components may be
very hot during normal operation. Be sure that they have had sufficient time to cool
before you touch them.
NOTICE: Before touching anything inside your computer, ground yourself by
touching an unpainted metal surface, such as the metal at the back of the computer.
While you work, periodically touch an unpainted metal surface to dissipate any
static electricity that could harm internal components.
1 screw
1
book.book Page 170 Monday, October 6, 2008 11:38 AM