Dell Precision 5540 Service Manual - Page 33

Lift the plastic lever and disconnect the display touchscreen cable [6]

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c. Disconnect the power connector port cable from the system board [3]. d. Disconnect the speaker cable from the connector from the system board [4]. e. Peel the adhesive tape and lift the latch to remove the fingerprint cable [5] f. Lift the plastic lever and disconnect the display touchscreen cable [6] g. Peel the adhesive tape to release the touch screen cable. 4. Perform the following steps to remove the system board from the chassis: a. Remove the M2x4 (4) screws that secure the system board to the computer [1]. b. Lift the system board from the computer [2]. Disassembly and reassembly 33

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c.
Disconnect the power connector port cable from the system board [3].
d.
Disconnect the speaker cable from the connector from the system board [4].
e.
Peel the adhesive tape and lift the latch to remove the fingerprint cable [5]
f.
Lift the plastic lever and disconnect the display touchscreen cable [6]
g.
Peel the adhesive tape to release the touch screen cable.
4.
Perform the following steps to remove the system board from the chassis:
a.
Remove the M2x4 (4) screws that secure the system board to the computer [1].
b.
Lift the system board from the computer [2].
Disassembly and reassembly
33