System Board; Removing The System Board - Dell Vostro 400 Owner's Manual

System Board

Removing the System Board

CAUTION:
the electrical outlet before opening the cover.
CAUTION:
very hot during normal operation. Be sure that they have had sufficient time to cool
before you touch them.
NOTICE:
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 Follow the procedures in "Before You Begin" on page 101.
2 Remove the computer cover (see "Removing the Computer Cover" on
page 103).
3 Remove any add-in cards on the system board (see "Cards" on page 116).
4 Remove the processor and heat sink assembly (see "Removing the
Processor Fan/Heat Sink Assembly" on page 156).
5 Remove the memory modules (see "Removing Memory" on page 115) and
document which memory module is removed from each memory socket so
that the memory modules can be installed in the same location after the
board is replaced.
6 Disconnect all cables from the system board. Note the routing of all cables
as you remove them so that you can re-route them correctly after installing
the new system board.
7 Remove the eight screws from the system board.
8 Lift the system board up and out.
164
Removing and Installing Parts
To guard against electrical shock, always unplug your computer from
The heat sink assembly, power supply, and other components may be
Before touching anything inside your computer, ground yourself by