Lenovo T420 Maintenance Manual page 129

Table 35. Removal steps of LCD panel and LCD cable (continued)
When installing: When attaching the LCD panel to the cover, gently press the left and right edges covered with
metal. DO not press the surface of the panel or apply any excessive force to the panel.
When installing: Make sure that the connector is attached irmly.
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Chapter 8 Removing and replacing a FRU