HP TC4400 - Manual (Page 98)

Removal and Replacement Procedures
Maintenance and Service Guide 5–15
3. Loosen the two Phillips PM2.0×5.0 screws 1 that secure the
memory module compartment cover to the tablet PC.
4. Lift the left side of the cover and swing it to the right 2 to
remove the memory module compartment cover.
✎
The memory module compartment cover is included in the
Plastics Kit, spare part number 419157-001.
Removing the Memory Module Compartment Cover