Lenovo 90BX E50–00 Series Hardware Maintenance Manual page 33

Step 4. Remove the 2 screws that secure the computer cover at the rear of the chassis.
Step 5. To reinstall the computer cover:
a. Line up the computer cover with the chassis then slide it back.
b. Secure the computer cover to the chassis with the screws.
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Chapter 8 Replacing hardware
27