1. Turn off your Acer Extensa 5620 / 5220. Disconnect the AC adapter and remove the battery.
2. Remove the seven screws (B) on the lower cover.
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Please refer to How to Replace Acer Extensa 5620 5220 CPU fan
2. Remove the seven screws (B) on the lower cover.
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Please refer to How to Replace Acer Extensa 5620 5220 CPU fan