Dell Inspiron 7390 2n1, Руководство по обслуживанию

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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.
• Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental puncture or damage to the
battery and other system components.
• 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, contact for assistance and further instructions.
• If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a
lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/
contactdell .
• Always purchase genuine batteries from www.dell.com or authorized Dell partners and resellers.
Prerequisites
Remove the base cover .
Procedure
1 Disconnect the battery cable from the system board (applicable only if not disconnected earlier).
2 Remove the screw (M1.6x4) that secures the battery to the palm-rest assembly.
3 Remove the four screws (M2x2) that secure the battery to the palm-rest assembly.
4 Lift the battery off the palm-rest assembly.
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18 Removing the battery