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Removing The Emi Cover - Lenovo IdeaCentre B340 Maintenance Manual

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Step 10. Lift up the converter board to remove it.
Step 11. To install the new converter board:
a.
Line up the new converter board with the mounting holes and pin, and then, secure converter
board with screw and pins.
b.
Connect the 2 cables to the new converter board.
c.
Secure the converter board with the screw.
Step 12. Reattach the middle cover, optical drive, computer stand and the rear cover.

Removing the EMI cover

Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo
recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches
or other damage.
To replace the EMI cover
Step 1.
Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating
system, and turn off the computer and all attached devices.
Step 2.
Unplug all power cords from electrical outlets.
Step 3.
Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)
cables, and any other cables that are connected to the computer. Refer to "Left and right view"
and "Rear view" for help with locating the various connectors.
Step 4.
Remove the rear cover. Refer to "Removing the rear cover".
Step 5.
Remove the computer stand. Refer to "Removing the computer stand".
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IdeaCentre B340Hardware Maintenance Manual

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