Dell Alienware Area-51m Service Manual - Page 19

Removing the battery, Lithium-ion battery precautions, Prerequisites, Procedure

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Removing the battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Lithium-ion battery precautions CAUTION: • Exercise caution when handling Lithium-ion batteries. • Discharge the battery as much as possible before removing it from the system. This can be done by disconnecting the AC adapter from the system to allow the battery to drain. • Do not crush, drop, mutilate, or penetrate the battery with foreign objects. • Do not expose the battery to high temperatures, or disassemble battery packs and cells. • Do not apply pressure to the surface of the battery. • Do not bend the battery. • Do not use tools of any kind to pry on or against the battery. • If a battery gets stuck in a device as a result of swelling, do not try to free it as puncturing, bending, or crushing a Lithium-ion battery can be dangerous. In such an instance, the entire system should be replaced. Contact https:// www.dell.com/support for assistance and further instructions. • Always purchase genuine batteries from https://www.dell.com or authorized Dell partners and re-sellers. Prerequisites Remove the base cover. Procedure 1 Using the pull tab, disconnect the battery cable from the system board and remove it from the routing guides on the computer base (applicable only if not disconnected earlier). 2 Remove the six screws (M2.5x5) that secure the battery to the palm-rest assembly. 19

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Removing the battery
WARNING: Before working inside your computer, read the safety information that shipped with your computer and
follow the steps in
Before working inside your computer
. After working inside your computer, follow the instructions
in
After working inside your computer
. For more safety best practices, see the Regulatory Compliance home page at
www.dell.com/regulatory_compliance
.
Lithium-ion battery precautions
CAUTION:
•
Exercise caution when handling Lithium-ion batteries.
•
Discharge the battery as much as possible before removing it from the system. This can be done by disconnecting the
AC adapter from the system to allow the battery to drain.
•
Do not crush, drop, mutilate, or penetrate the battery with foreign objects.
•
Do not expose the battery to high temperatures, or disassemble battery packs and cells.
•
Do not apply pressure to the surface of the battery.
•
Do not bend the battery.
•
Do not use tools of any kind to pry on or against the battery.
•
If a battery gets stuck in a device as a result of swelling, do not try to free it as puncturing, bending, or crushing a
Lithium-ion battery can be dangerous. In such an instance, the entire system should be replaced. Contact
https://
www.dell.com/support
for assistance and further instructions.
•
Always purchase genuine batteries from
or authorized Dell partners and re-sellers.
Prerequisites
Remove the
base cover
.
Procedure
1
Using the pull tab, disconnect the battery cable from the system board and remove it from the routing guides on the
computer base (applicable only if not disconnected earlier).
2
Remove the six screws (M2.5x5) that secure the battery to the palm-rest assembly.
19