Lenovo B520e IdeaCentre B520e Hardware Maintenance Manual (English) - Page 40

Replacing the converter board

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Replacing the converter board 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 converter board: Step 1. Step 2. Step 3. Step 4. Step 5. Step 6. Remove the computer cover. Refer to "Removing the computer cover". Remove the back deco. Refer to "Removing the back deco". Remove the computer stand. Refer to "Removing the computer stand". Remove the EMI cover. Refer to "Removing the EMI cover". Remove the 2 screws that secure the converter board to the chassis. Disconnect all the cables from the converter board and lift it up. 34 IdeaCentre B520e Hardware Maintenance Manual

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Replacing the converter board
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 converter board:
Step 1.
Remove the computer cover. Refer to ”Removing the computer cover”.
Step 2.
Remove the back deco. Refer to “Removing the back deco”.
Step 3.
Remove the computer stand. Refer to “Removing the computer stand”.
Step 4.
Remove the EMI cover. Refer to “Removing the EMI cover”.
Step 5.
Remove the 2 screws that secure the converter board to the chassis.
Step 6.
Disconnect all the cables from the converter board and lift it up.
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IdeaCentre B520e Hardware Maintenance Manual