Dell 3090 (3MJRX) service manual

Contents

1. OptiPlex 3090 Micro Service Manualp. 1

   Regulatory Model: D14U Regulatory Type: D14U001 October 2021 Rev. A00

2. Working inside your computerp. 6

   Safety instructions Use the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unless otherwise…

3. Removing and installing componentsp. 10

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

4. Drivers and downloadsp. 52

   When troubleshooting, downloading or installing drivers it is recommended that you read the Dell Knowledge Based article, Drivers and Downloads FAQ 000123347.…

5. BIOS setupp. 53

   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. 66

   Dell SupportAssist Pre-boot System Performance Check diagnostics About this task SupportAssist diagnostics (also known as system diagnostics) performs a…

7. Getting helpp. 69

   Contacting Dell Prerequisites NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip…