HP ENVY 14

3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4. Remove the battery cover and battery (see
Battery on page 37).
5. Remove the hard drive (see
Mass storage device on page 40).
6. Remove the memory module/wireless module compartment cover (see
WLAN module
on page 45).
7. Disconnect the battery charger board ribbon cable from the system board (see
Battery connector
board on page 52).
8. Remove the top cover (see
Top cover on page 54).
9. Disconnect the optical drive cable from the system board (see
Optical drive on page 63).
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
●
SIM (see
SIM on page 39)
●
WLAN module (see
WLAN module on page 45)
●
RTC battery (see
RTC battery on page 49)
●
Memory module (see
Memory module on page 50)
●
Fan/heat sink assembly (see
Fan/heat sink assembly on page 70)
●
Processor (see
Processor on page 72)
Remove the system board:
1. Release the ZIF connector to which the audio/USB board cable is attached, and then disconnect
the cable (1) from the system board.
ENWW
Component replacement procedures
67