Acer V55LA-2 User Manual page 26

Figure 1-15 Power and HDD/MSG Connector (JP48)
Figure 1-16 shows the locations of JP48 and JP50 on the system
board and which cables to connect to them.
Power LED Cable
Figure 1-16 Connecting the Power Switch and LED Cables
1-26
Power
HDD/MSG
Power Switch Cable
HDD/MSG LED Cable
JP50
JP48
User's Guide