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Manuals
Inspiron 5491 2n1 Service Manual
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Notes, cautions, and warnings
Working inside your computer
Safety instructions
Before working inside your computer
Before you begin
Electrostatic discharge—ESD protection
ESD field service kit
Transporting sensitive components
After working inside your computer
Removing and installing components
Recommended tools
Screw list
Disassembly and reassembly
Base cover
Removing the base cover
Procedure
Replacing the base cover
Procedure
Battery
Removing the battery
Prerequisites
Procedure
Replacing the battery
Procedure
Post-requisites
Coin-cell battery
Removing the coin-cell battery
Procedure
Replacing the coin-cell battery
Procedure
Memory modules
Removing the memory modules
Prerequisites
Procedure
Replacing the memory modules
Procedure
Post-requisites
Solid-state drive/Intel Optane
Removing the solid-state drive/Intel Optane
Prerequisites
Procedure
Replacing the solid-state drive/Intel Optane
Procedure
Post-requisites
Procedure to move the screw mount
Hard drive
Removing the hard drive
Prerequisites
Procedure
Replacing the hard drive
Procedure
Post-requisites
Heat sink
Removing the heat sink
Prerequisites
Procedure
Replacing the heat sink
Procedure
Post-requisites
Fan
Removing the fan
Prerequisites
Procedure
Replacing the fan
Procedure
Post-requisites
Speakers
Removing the speakers
Prerequisites
Procedure
Replacing the speakers
Procedure
Post-requisites
I/O board
Removing the I/O board
Prerequisites
Procedure
Replacing the I/O board
Procedure
Post-requisites
Power-adapter port
Removing the power-adapter port
Prerequisites
Procedure
Replacing the power-adapter port
Procedure
Post-requisites
Wireless card
Removing the wireless card
Prerequisites
Procedure
Replacing the wireless card
Procedure
Post-requisites
Display assembly
Removing the display assembly
Prerequisites
Procedure
Replacing the display assembly
Procedure
Post-requisites
Power button with fingerprint reader
Removing the power button with fingerprint reader
Prerequisites
Procedure
Replacing the power button with fingerprint reader
Procedure
Post-requisites
System board
Removing the system board
Prerequisites
Procedure
Replacing the system board
Procedure
Post-requisites
Touchpad
Removing the touchpad
Prerequisites
Procedure
Replacing the touchpad
Procedure
Post-requisites
Palm-rest and keyboard assembly
Removing the palm-rest and keyboard assembly
Prerequisites
Procedure
Replacing the palm-rest and keyboard assembly
Procedure
Post-requisites
Device drivers
Intel Chipset Software Installation Utility
Video drivers
Intel Serial IO driver
Intel Serial IO driver
Intel Trusted Execution Engine Interface
Intel Virtual Button driver
Wireless and Bluetooth drivers
System setup
Boot Sequence
Navigation keys
System setup
Entering BIOS setup program
System setup options
Clearing CMOS settings
Clearing BIOS (System Setup) and System passwords
Troubleshooting
Enhanced Pre-Boot System Assessment (ePSA) diagnostics
Running the ePSA diagnostics
Diagnostics
Recovering the operating system
Flashing the BIOS
Enabling Intel Optane memory
Disabling Intel Optane memory
Flashing BIOS (USB key)
WiFi power cycle
Flea power release
Getting help and contacting Dell
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