Dell Precision M4700 (Mid 2012) - Manual (Page 46)

f. keyboard
g. optical drive
h. hard drive
i. primary memory
j. secondary memory
k. processor fan
l. video-card fan
m. palmrest
n. heat sink
o. processor
p. video-card heat sink
q. video card
r. I/O board
s. display assembly
3. Disconnect the coin-cell battery cable.
4. Disconnect the bluetooth cable.
5. Disconnect the USH connector cable.
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