Dell Latitude 5550 Owners Manual - Page 52

Removing and installing Customer Replaceable Units CRUs, Removing the base cover

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Figure 14. Removing the base cover Figure 15. Disconnecting the battery cable Steps 1. Loosen the eight captive screws that secure the base cover to the palm-rest assembly. 2. Using a plastic scribe, pry open the base cover from the recesses that are located in the U-shaped indents at the top edge of the base cover near the hinges. 3. Lift the base cover off the keyboard and palm-rest assembly. NOTE: Ensure that your computer is in Service Mode. If your computer is unable to enter Service Mode, disconnect the battery cable from the system board. To disconnect the battery cable, follow steps 4 and 5. 4. Disconnect the battery cable from the battery cable connector (BATT1) on the system board. 5. Press and hold the power button for five seconds to ground the computer and drain the flea power. 52 Removing and installing Customer Replaceable Units (CRUs)

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Figure 14. Removing the base cover
Figure 15. Disconnecting the battery cable
Steps
1.
Loosen the eight captive screws that secure the base cover to the palm-rest assembly.
2.
Using a plastic scribe, pry open the base cover from the recesses that are located in the U-shaped indents at the top edge
of the base cover near the hinges.
3.
Lift the base cover off the keyboard and palm-rest assembly.
NOTE:
Ensure that your computer is in Service Mode. If your computer is unable to enter Service Mode, disconnect the
battery cable from the system board. To disconnect the battery cable, follow steps 4 and 5.
4.
Disconnect the battery cable from the battery cable connector (BATT1) on the system board.
5.
Press and hold the power button for five seconds to ground the computer and drain the flea power.
52
Removing and installing Customer Replaceable Units (CRUs)