Dell 5420 (7WV2F) service manual

Contents

1. Latitude 5420 Service Manualp. 1

   Regulatory Model: P137G Regulatory Type: P137G001,P137G002 April 2022 Rev. A02

2. Working inside your computerp. 5

   Topics: • Before working inside your computer • Safety precautions • Enter service mode • Electrostatic discharge—ESD protection • ESD field service kit •…

3. Major components of your computerp. 11
4. Removing and installing componentsp. 14

   NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Topics: • Recommended tools • Screw list •…

5. Softwarep. 86

   This chapter details the supported operating systems along with instructions on how to install the drivers. Topics: • Operating system • Downloading the…

6. BIOS setupp. 87

   CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly.…

7. Troubleshootingp. 102

   Topics: • Handling swollen Lithium-ion batteries • Dell SupportAssist Pre-boot System Performance Check diagnostics • Built-in self-test (BIST) • System…

8. Getting help and contacting Dellp. 108

   Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 22. Self-help resources Self-help…