Service Manual
Table Of Contents
- Latitude 5420 Service Manual
- Contents
- Working inside your computer
- Major components of your computer
- Removing and installing components
- Recommended tools
- Screw list
- Disassembly and reassembly
- Subscriber Identity Module (SIM) card
- Micro Secure Digital (SD) Card
- Base cover
- WLAN card
- WWAN card
- Solid-state drive
- Memory modules
- Battery
- Battery cable
- Assembly inner frame
- LED board
- Heat sink
- Speakers
- System board
- Power-button board
- Smart card reader
- Keyboard assembly
- Keyboard bracket
- Display assembly
- Display bezel
- Display panel
- Camera/microphone module
- eDP/display cable
- Sensor board
- Display hinges
- Display back cover
- Dummy SIM-card slot filler
- Palm-rest assembly
- Software
- BIOS setup
- Troubleshooting
- Getting help and contacting Dell
Table 7. System setup options—Integrated Devices menu (continued)
Integrated Devices
By default, the option is disabled.
Video/Power only on Type-C Ports Enable or disable the Type-C port functionality to video or only power.
By default, the Video/Power only on Type-C Ports option is disabled.
Type-C Dock Override Enables to use connected Type-C Dell Dock to provide data stream with
external USB ports disabled. When Type-C Dock override is enabled, the
Video/Audio/Lan submenu is activated.
By default, the Type-C Dock Override option is enabled.
Video Enable or disable the usage of video on Dell Dock external ports.
By default, the Video option is disabled.
Audio Enable or disable the usage of audio on Dell Dock external ports.
By default, the Audio option is enabled.
Lan Enable or disable the usage of LAN on Dell Dock external ports.
By default, the Lan option is enabled.
Miscellaneous Devices Enable or disable Fingerprint Reader device.
By default, the Enable Fingerprint Reader Device option is enabled.
Unobtrusive Mode
Enable Unobtrusive Mode Enable or disable all the computer light and sound.
By default, the Enable Unobtrusive Mode option is disabled.
Table 8. System setup options—Storage menu
Storage
SATA/NVMe Operation
SATA/NVMe Operation Set the operating mode of the integrated storage device controller. By default,
the RAID On option is enabled.
SMART Reporting
Enable SMART Reporting Enable or disable Self-Monitoring, Analysis, and Reporting Technology
(SMART) during computer startup.
By default, the Enable SMART Reporting option is not enabled.
Drive Information
SATA-1
Type Displays the SATA-1 type information of the computer.
Device Displays the SATA-1 device information of the computer.
M.2 PCIe SSD-1
Type Displays the M.2 PCIe SSD-1 type information of the computer.
Device Displays the M.2 PCIe SSD-1 device information of the computer.
M.2 PCIe SSD-2
Type Displays the M.2 PCIe SSD-2 type information of the computer.
Device Displays the M.2 PCIe SSD-2 device information of the computer.
Enable MediaCard
Secure Digital (SD) Card Enable or disable the SD card.
BIOS setup 91