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Dell Vostro 3890 Service Manual page 23

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Steps
1. Align the notch on the solid-state drive with the tab on the M.2 card slot.
2. Slide the solid-state drive into the M.2 card slot on the system board.
3. Install the screw (M2x3) to secure the solid-state drive to the system board.
Next steps
1. Install the
side
cover.
2. Follow the procedure in
Coin-cell battery
Removing the coin-cell battery
Prerequisites
1. Follow the procedure in
2. Remove the
side
cover.
About this task
NOTE:
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 battery.
NOTE:
After a service incident where the system board is replaces, or when the coin-cell battery is replaced an RTC reset
cycle will occur. When an RTC Reset cycle occurs, the computer turns on and off three times. An "Invalid Configuration"
error message is displayed prompting you to enter the BIOS and configure the date and time. The computer starts
functioning normally after setting the date and time.
The following images indicate the location of the coin-cell battery and provide a visual representation of the removal procedure.
After working inside your
Before working on your
computer.
computer.
Disassembly and reassembly
23

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