Dell Inspiron M411R (Mid 2011) - Manual (Page 80)

80 System Board
15 Turn the system board over.
16 Remove the coin-cell battery (see "Removing the Coin-Cell Battery" on
page 87).
17 Follow the instructions from step 3 to step 5 in "Removing the Hard-Drive
Assembly" on page 95.
18 Remove the thermal cooling assembly (see "Removing the Thermal
Cooling Assembly" on page 89.
19 Remove the processor module (see "Removing the Processor Module" on
page 91).
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