Dell XPS 15 7590 XPS 15 Service Manual - Page 49

Removing the coin-cell battery, Prerequisites, Procedure

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29 Removing the coin-cell battery NOTE: 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. CAUTION: Removing the coin-cell battery resets the BIOS setup program's settings to default. It is recommended that you note the BIOS setup program's settings before removing the coin-cell battery. Prerequisites 1. Remove the base cover. 2. Remove the battery (half-length) or the battery (full-length). 3. Remove the memory modules. 4. Follow the procedure from step 1 to step 4 in "Removing the hard drive". 5. Remove the solid-state drive (half-length) or the solid-state drive (full-length). 6. Remove the wireless card. 7. Remove the fans. 8. Remove the heat sink. 9. Remove the system-board assembly. Procedure 1. Turn the system-board assembly over. 2. Disconnect the coin-cell battery cable from the system board. 3. Note the location of the coin-cell battery and pry it off the system board. Figure 25. Removing the coin-cell battery a. coin-cell battery b. coin-cell battery cable c. system board Removing the coin-cell battery 49

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Removing the coin-cell battery
NOTE:
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
.
CAUTION:
Removing the coin-cell battery resets the BIOS setup program’s settings to default. It is recommended that
you note the BIOS setup program’s settings before removing the coin-cell battery.
Prerequisites
1.
Remove the
base cover
.
2.
Remove the
battery (half-length)
or the
battery (full-length)
.
3.
Remove the
memory modules
.
4.
Follow the procedure from step 1 to step 4 in “
Removing the hard drive
”.
5.
Remove the
solid-state drive (half-length)
or the
solid-state drive (full-length)
.
6.
Remove the
wireless card
.
7.
Remove the
fans
.
8.
Remove the
heat sink
.
9.
Remove the
system-board assembly
.
Procedure
1.
Turn the system-board assembly over.
2.
Disconnect the coin-cell battery cable from the system board.
3.
Note the location of the coin-cell battery and pry it off the system board.
Figure 25. Removing the coin-cell battery
a.
coin-cell battery
b.
coin-cell battery cable
c.
system board
29
Removing the coin-cell battery
49