Dell 1457, 1458 Replacing the System Board

13. Disconnect the following cables from their corresponding connectors on the system board:
lFan cable — pull the cable away from the connector
lAC adapter cable — pull the cable away from the connector
lWWAN module cable — lift the black tab and pull the cable away from the connector
lI/O board cable — lift the black tab and pull the cable away from the connector
lNetwork cable — pull the cable away from the connector
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14. Remove the five screws that secure the system board to the computer base.
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15. Lift the system board at an angle toward the side of the computer and out of the computer base.
Replacing the System Board
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1. Follow the instructions in Before You Begin.
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2. Place the system board on the computer base.
1
Fan cable connector
2
AC adapter cable connector
3
WWAN module cable connector
4
I/O board cable connector
5
Network cable connector
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1
screws (5)
2
system board