Dell 7420 (341D1) service manual

Contents

1. Latitude 7420/Latitude 7420 2-in-1 Service Manualp. 1

   Regulatory Model: P135G/P136G Regulatory Type: P135G001/P136G001 December 2022 Rev. A03

2. Working on your computerp. 6

   Topics: • Safety instructions Safety instructions Use the following safety guidelines to protect your computer from potential damage and to ensure your…

3. Removing and installing componentsp. 12

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

4. Softwarep. 62

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

5. BIOS setupp. 63

   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.…

6. Troubleshootingp. 78

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

7. Getting help and contacting Dellp. 85

   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…