Dell Inspiron 3020 Small Desktop Service Manual - Page 45

Steps 1. Extend the release lever and the processor cover completely in an open position. 2. Align the notches on the processor with the tabs on the processor socket. 3. Place the processor in the processor socket. 4. Close the processor cover. 5. Pivot the release lever down and place it under the tab on the processor socket. Next steps 1. Install the fan and heat-sink assembly. 2. Install the fan shroud. 3. Install the left-side cover. 4. Follow the procedure in After working inside your computer. System board Removing the system board CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the left-side cover. 3. Remove the front cover. 4. Remove the 3.5-inch hard drive or 2.5-inch hard drive. 5. Remove the hard-drive and optical-drive cage. 6. Remove the memory. 7. Remove the M.2 2230 solid-state drive or M.2 2280 solid-state drive, as applicable. 8. Remove the wireless card. 9. Remove the coin-cell battery. 10. Remove the media-card reader. 11. Remove the fan shroud. 12. Remove the fan and heat-sink assembly. 13. Remove the processor. About this task NOTE: The Service Tag information of your computer is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board. NOTE: Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup program. You must make the appropriate changes again after you replace the system board. NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can reconnect the cables correctly after you replace the system board. The following image indicates the location of the connectors and slots of the system board. Removing and installing components 45