Dell Inspiron 5594 Service Manual - Page 45

I/O board, Removing the I/O board, Prerequisites, Procedure

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I/O board Removing the I/O board 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. Prerequisites CAUTION: Removing the coin-cell battery resets the BIOS setup program's settings to default. Before removing the I/O board along with the coin-cell battery, it is recommended to note the BIOS setup program's settings. 1. Remove the base cover. 2. Remove the battery. 3. Remove the hard drive with Intel optane. Procedure 1. Open the latch and disconnect the fingerprint-reader board cable from the I/O board. NOTE: This step is applicable only for computers shipped with the optional fingerprint reader. 2. Open the latch and disconnect the power-button board cable from the I/O board. 3. Open the latch and disconnect the fingerprint-reader cable from the I/O board. NOTE: This step is applicable only for computers shipped with the optional fingerprint reader. 4. Open the latch and disconnect the I/O-board cable from the I/O board. 5. Remove the three screws (M2x4) that secure the I/O board to the palm-rest and keyboard assembly. 6. Lift the I/O board off the palm-rest and keyboard assembly. Removing and installing components 45

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I/O board
Removing the I/O board
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
.
Prerequisites
CAUTION:
Removing the coin-cell battery resets the BIOS setup program’s settings to default. Before removing the I/O
board along with the coin-cell battery, it is recommended to note the BIOS setup program’s settings.
1.
Remove the
base cover
.
2.
Remove the
battery
.
3.
Remove the
hard drive with Intel optane
.
Procedure
1.
Open the latch and disconnect the fingerprint-reader board cable from the I/O board.
NOTE:
This step is applicable only for computers shipped with the optional fingerprint reader.
2.
Open the latch and disconnect the power-button board cable from the I/O board.
3.
Open the latch and disconnect the fingerprint-reader cable from the I/O board.
NOTE:
This step is applicable only for computers shipped with the optional fingerprint reader.
4.
Open the latch and disconnect the I/O-board cable from the I/O board.
5.
Remove the three screws (M2x4) that secure the I/O board to the palm-rest and keyboard assembly.
6.
Lift the I/O board off the palm-rest and keyboard assembly.
Removing and installing components
45