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Manuals
Inspiron 14 5401 Service Manual
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Notes, cautions, and warnings
Working inside your computer
Before working inside your computer
Safety instructions
Electrostatic discharge—ESD protection
ESD field service kit
Transporting sensitive components
After working inside your computer
Removing and installing components
Recommended tools
Screw list
Major components of Inspiron 14 5401
Base cover
Removing the base cover
Installing the base cover
Battery
Removing the 4-cell battery
Installing the 4-cell battery
Removing the 3-cell battery
Installing the 3-cell battery
Memory module
Removing the memory module
Installing the memory module
Solid-state drive—M.2 slot one
Removing the 2230 solid-state drive in M.2 slot one
Installing the 2230 solid-state drive in M.2 slot one
Removing the 2280 solid-state drive in M.2 slot one
Installing the 2280 solid-state drive in M.2 slot one
Replacing the SSD-1 support bracket
Solid-state drive—M.2 slot two
Removing the 2230 solid-state drive in M.2 slot two
Installing the 2230 solid-state drive in M.2 slot two
Removing the 2280 solid-state drive/Intel Optane storage in M.2 slot two
Installing the 2280 solid-state drive/Intel Optane storage in M.2 slot two
Replacing the SSD-2 support bracket
WLAN card
Removing the WLAN card
Installing the WLAN card
Fan
Removing the fan
Installing the system fan
Coin-cell battery
Removing the coin-cell battery
Installing the coin-cell battery
Power-adapter port
Removing the power-adapter port
Installing the power-adapter port
Display assembly
Removing the display assembly
Installing the display assembly
I/O board
Removing the I/O board
Installing the I/O board
Touchpad
Removing the touchpad
Installing the touchpad
Speakers
Removing the speakers (in 4-cell battery configuration)
Installing the speakers (in 4-cell battery configuration)
Removing the speakers (in 3-cell battery configuration)
Installing the speakers (in 3-cell battery configuration)
Heat sink
Removing the heat sink
Installing the heat sink
Power button with optional fingerprint reader
Removing the power button with optional fingerprint reader
Installing the power button with optional fingerprint reader
System board
Removing the system board
Installing the system board
Palm-rest and keyboard assembly
Removing the palm-rest and keyboard assembly
Installing the palm-rest and keyboard assembly
Drivers and downloads
System setup
Entering BIOS setup program
Navigation keys
One time boot menu
System setup options
Updating the BIOS in Windows
Updating BIOS on systems with BitLocker enabled
Updating your system BIOS using a USB flash drive
Updating the Dell BIOS in Linux and Ubuntu environments
Flashing the BIOS from the F12 One-Time boot menu
System and setup password
Assigning a system setup password
Deleting or changing an existing system setup password
Clearing CMOS settings
Clearing BIOS (System Setup) and System passwords
Troubleshooting
SupportAssist diagnostics
Built-in self-test (BIST)
System board built-in self-test (M-BIST)
Display panel power rail built-in self-test (L-BIST)
Display panel built-in self-test (LCD-BIST)
Outcome
Recovering the operating system
System diagnostic lights
Enabling Intel Optane memory
Disabling Intel Optane memory
Flea power release
WiFi power cycle
Getting help and contacting Dell
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Flea power release
About this task
Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has been removed. The following procedure provides the instructions on how to conduct flea power release:
Steps
Turn off your computer.
Remove the
base cover
.
Remove the
battery
.
Press and hold the power button for 15 seconds to drain the flea power.
Install the
battery
.
Install the
base cover
.
Turn on your computer.
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