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Replacing The Microprocessor - Dell Dimension 4300S Manual

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11.  If you are installing a drive that has its own controller card, install the controller card in a card slot.
12.  Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.
13.  If the drive uses removable media and drive bay was previously empty, remove the
14.
 Close the computer
cover.
15.
 Attach the computer stand
16.  Connect your computer and devices to their electrical outlets, and turn them on.
NOTICE:
To connect a network cable, first plug the cable in to the network wall jack and then plug it in to the computer.
17.  See the documentation that came with the drive for instructions on installing any software required for drive operation.

Replacing the Microprocessor

CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in
CAUTION:
To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
1.
 Shut down the
computer.
2.  Turn off any attached devices and disconnect them from their electrical outlets.
NOTICE:
To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
3.  Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.
4.
 Remove the computer
stand, if it is attached.
5.
 Open the computer
cover.
6.  Disconnect the cooling fan power cable from the
7.  Disconnect the +12-VDC P2 DC power cable from the
8.  Remove the heat sink/blower assembly.
The heat sink is attached to the blower. Remove the securing clips to remove the heat sink/blower assembly.
 
(optional).
FAN connector
12VPOWER connector
front panel
insert.
on the system board.
on the system board.
"Safety
Instructions."

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