Dell 7420 (N5VFJ) service manual

Contents

1. Latitude 7420 Service Manualp. 3
2. Working on your computerp. 6

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

3. Removing and installing componentsp. 11

   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: • Downloading Windows drivers Downloading…

5. System 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: • Recovering the operating system • Backup media and recovery options • Dell SupportAssist Pre-boot System Performance Check diagnostics • Diagnostic…

7. Getting helpp. 85

   Topics: • Contacting Dell Contacting Dell Prerequisites NOTE: If you do not have an active Internet connection, you can find contact information on your…