Closing the computer cover, Close the computer cover, Replacing the system board – Dell Dimension 8250 User Manual
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10.
Place the system board assembly that you just removed next to the replacement system board.
Replacing the System Board
1.
Transfer components from the existing system board to the replacement system board:
a.
b.
Remove the heat-sink assembly and microprocessor
from the existing system board and transfer them to the replacement system board.
2.
Configure the settings of the replacement system board.
3.
Set the
jumpers
on the replacement system board so they are identical to the ones on the existing board.
4.
Orient the replacement board by aligning the notches on the bottom to the tabs on the computer.
5.
Slide the system board assembly toward the back of the computer until it clicks into place.
6.
Replace any components and cables that you removed from the system board.
7.
Reconnect all cables to their connectors at the back of the computer.
8.
.
9.
Connect your computer and devices to electrical outlets, and turn them on.
Closing the Computer Cover
1.
Ensure that all cables are connected, and fold cables out of the way.
Gently pull the power cables toward you so that they do not get caught underneath the drives.
2.
Ensure that no tools or extra parts are left inside the computer.
3.
Close the cover:
a.
Pivot the cover down.
b.
Press down on the right side of the cover until it closes.
c.
Press down on the left side of the cover until it closes.
d.
Ensure that both sides of the cover are locked. If not, repeat
.
4.
Connect your computer and devices to electrical outlets, and turn them on.
CAUTION:
The microprocessor package and heat-sink assembly can get hot. To avoid burns, ensure that the package and assembly have had
sufficient time to cool before you touch them.
NOTE:
Some components and connectors on the replacement system board may be in different locations than the corresponding connectors on the
existing system board.
NOTICE:
To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
NOTICE:
To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.