Lenovo NetVista A20 (English) User guide - Page 63
Removing the top cover for microtower model
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Removing the top cover for microtower model Follow these steps to remove the system unit top cover: Note: See "Taking safety precautions" on page 5-5 to disconnect the cables before you perform the following steps. 1. Remove the three screws that secure the top cover at the back of the system unit. 2. Hold both sides of the system unit cover and push it backward about 25 mm (1 in.). Lift the top cover up to remove it completely. Preparing to upgrade 5-7
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Preparing to upgrade
5-7
Removing the top cover for microtower model
Follow these steps to remove the system unit top cover:
1.
Remove the three screws that secure the top cover at the back of the system
unit.
2.
Hold both sides of the system unit cover and push it backward about 25 mm
(1 in.). Lift the top cover up to remove it completely.
Note:
See “Taking safety precautions” on page 5-5 to
disconnect the cables before you perform the
following steps.