Dell 23.8" OptiPlex 7410 All-in-One Desktop Computer (Gray) - Manual (Page 89)

The following image(s) indicate the location of the processor and provides a visual representation of the removal procedure.
Steps
1. Press the release lever down and then push it away from the processor to release it from the securing tab.
2. Extend the release lever completely and open the processor cover.
CAUTION: When removing the processor, do not touch any of the pins inside the socket or allow any objects
to fall on the pins in the socket.
3. Gently lift the processor from the processor socket.
Installing the processor
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
NOTE: If either the processor or the fan and heat sink is replaced, use the thermal grease provided in the kit to ensure that
thermal conductivity is achieved.
The following image(s) indicate the location of the processor and provides a visual representation of the installation procedure.
Removing and installing Field Replaceable Units (FRUs) 89