HP TC4400 - Manual (Page 178)

A–20 Maintenance and Service Guide
Screw Listing
Phillips PM2.0×4.0 Screw Locations
Table A-9
Phillips PM2.0×4.0 Screw
Color Qty. Length Thread
Head
Width
Black 8 4.0 mm 2.0 mm 4.0 mm
Where used:
1 One screw that secures the button board to the tablet PC (documented in
Section 5.16 )
2 One screw that secures the top cover to the tablet PC (documented in
Section 5.17 )
mm