HP EliteBook 845 Maintenance And Service Manual page 59

4. Remove the two Phillips M2.0 × 4.7 screws (1) that secure the I/O bracket to the computer.
5. Remove the I/O bracket (2) from the computer.
The I/O bracket is included in the Bracket Kit, spare part number N13862-001.
6. Remove the SIM or the SIM slot insert (1) from the SIM slot.
The SIM slot insert is included in the Plastics Kit, spare part number N18758-001.
Connector board 53