Lenovo C355 Lenovo C355/C455 All-In-One Computer Hardware Maintenance Manual - Page 48

Line up the new I/O module with bracket, then insert the rear I/O module into position.

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Step 6. Remove the optical drive. Refer to "Replacing the optical drive". Step 7. Remove the stand holder. Refer to "Removing the stand holder". Step 8. Remove the middle cover. Refer to "Removing the middle cover". Step 9. Remove the EMI cover. Refer to "Removing the EMI cover". Step 10. Remove the three screws that secure the rear I/O module to the motherboard 1 and lift it up gently. 2 Step 11. Disconnect the power cable from the motherboard and the TV antenna cable(s) from the TV tuner card. Step 12. Remove the two screws that secure rear I/O module to the bracket 1 , loose the rear I/O module, then slide it out. 2 Step 13. To install the new rear I/O module: a. Line up the new I/O module with bracket, then insert the rear I/O module into position. b. Secure the rear I/O module to the bracket with the two screws. c. Connect the power cable to the motherboard and the TV antenna cable(s) to the TV tuner card. Step 14. Reattach the EMI cover, middle cover, optical drive, stand holder, foot cover and stand base. 42 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual

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Step 6.
Remove the optical drive. Refer to “Replacing the optical drive”.
Step 7.
Remove the stand holder. Refer to “Removing the stand holder”.
Step 8.
Remove the middle cover. Refer to “Removing the middle cover”.
Step 9.
Remove the EMI cover. Refer to “Removing the EMI cover”.
Step 10. Remove the three screws that secure the rear I/O module to the motherboard
1
and lift it up
gently.
2
Step 11. Disconnect the power cable from the motherboard and the TV antenna cable(s) from the TV tuner
card.
Step 12. Remove the two screws that secure rear I/O module to the bracket
1
, loose the rear I/O module,
then slide it out.
2
Step 13. To install the new rear I/O module:
a.
Line up the new I/O module with bracket, then insert the rear I/O module into position.
b.
Secure the rear I/O module to the bracket with the two screws.
c.
Connect the power cable to the motherboard and the TV antenna cable(s) to the TV tuner card.
Step 14. Reattach the EMI cover, middle cover, optical drive, stand holder, foot cover and stand base.
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Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual