Dell Inspiron DCMA Owner's Manual page 156

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NOTICE:
9 Pull outwards the two fan cover grips on one side and slightly lift the fan
from the fan cover.
10 Pull outwards the other two fan cover grips on the other side and lift the
fan to release the fan from the fan cover.
156
Removing and Installing Parts
1 fan
3 fan cover
Do not touch the fan blades to avoid damage to the fan blades.
2 fan cover guide (2)
4 fan cover grips (4)
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