Battery; Lithium-Ion Battery Precautions; Removing The Battery - Dell XPS 17 9730 Service Manual

Battery

Lithium-ion battery precautions

CAUTION:
● Exercise caution when handling Lithium-ion batteries.
● Discharge the battery completely before removing it. Disconnect the AC power adapter from the system and
operate the computer solely on battery power—the battery is fully discharged when the computer no longer
turns on when the power button is pressed.
● 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 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
● Swollen batteries should not be used and should be replaced and disposed properly. For guidelines on how to
handle and replace swollen Lithium-ion batteries, see

Removing the battery

Prerequisites
1. Follow the procedure in
2. Remove the base cover.
NOTE: Disconnecting the battery cable, removing the battery, or draining the flea power clears the CMOS and resets
the BIOS settings on your computer.
NOTE: After your computer is reassembled and turned on, it prompts for the Real Time Clock (RTC) reset. When the
RTC-reset cycle occurs, the computer restarts several times, and an error message is displayed (Time of day not set).
Enter the BIOS when this error appears and set the date and time on your computer to resume normal functionality.
About this task
The following image indicates the location of the battery and provides a visual representation of the removal procedure.
Before working inside your
www.dell.com or authorized Dell partners and resellers.
Handling swollen Lithium-ion
computer.
batteries.
Removing and installing components 15