HP ProDesk 400 G7 Disassembly Instructions Manual page 8

Step23 Remove the battery from the system board
Step 25 Use PH1 screwdriver to loose the screws and
remove the SSD from the board
Step 27 Remove speaker from Chassis
EL-MF877-00
Template Revision C
Last revalidation date 09-May-2018
HPI instructions for this template are available at
Step 24 Remove Graphic card from MB
Step 26 Use T-15 screwdriver to loose the screw from MB
Step 28 Remove MB from chassis
EL-MF877-01
Page 8