Dell Latitude D820 Service Manual page 10

NOTICE: A processor module that is not properly seated can result in an intermittent connection or permanent damage to the processor and ZIF
socket.
1. Align the pin-1 corner of the processor module so that it points to the triangle on the system board, and insert the processor module into the ZIF socket.
When the processor module is correctly seated, all four corners are aligned at the same height. If one or more corners of the module are higher than the
others, the module is not seated correctly.
NOTICE: Hold the processor down while turning the cam screw to prevent intermittent contact between the cam screw and processor.
2. Tighten the ZIF socket by turning the cam screw clockwise to secure the processor module to the system board.
NOTE: If a new microprocessor is installed, you will receive one of the following: a new thermal-cooling assembly which will include an affixed thermal
pad; or, you will receive a new thermal pad along with a tech sheet to illustrate proper installation.
3. Replace the processor thermal-cooling assembly (see
4. Update the BIOS using a flash BIOS-update program CD (see
Back to Contents Page
Processor Thermal-Cooling Assembly).
Flashing the BIOS From a CD).