Before removing the fan/heat sink assembly, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
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 .
5. Remove the hard drive .
6. Remove the memory module/wireless module compartment cover and remove the memory module.
Above steps, you can refer to How to Remove the keyboard from HP Envy 14.
7. Disconnect the battery charger board ribbon cable from the system board .
A. Remove the plastic cover (1) located at the base of the accessory battery connector.
B. Remove the two Phillips PM2.5×3.86 screws (2) and the three Phillips PM2.0×2.83 screws (3)
that secure the battery charger board to the base enclosure.
C. Release the zero insertion force (ZIF) connector to which the battery charger board cable is
connected, and then disconnect the cable (4) from the connector.
8. Remove the top cover.
9. Disconnect the optical drive cable from the system board (see Optical drive on page 58).
A. Turn the computer upside down, with the front toward you.
B. Release the ZIF connector (1) to which the optical drive cable is attached, and then disconnect
the cable (2) from the system board.
10. Remove the system board
A. Release the ZIF connector to which the audio/USB board cable is attached, and then disconnect
the cable (1) from the system board.
B. Release the ZIF connector to which the solid-state drive connector board cable is attached,
and then disconnect the cable (2) from the system board.
C. Disconnect the display panel cable (1) from the system board.
D. Disconnect the power connector cable (2) from the system board.
E. Disconnect the power extension cable (3) from the battery connector board.
F. Release the power extension cord (4) from the system board. (The power extension cord is
attached to the system board with double-sided tape.)
H. Remove the five Phillips PM2.5×3.83 screws that secure the system board to the base enclosure.
I. Lift the left side of the system board (1) until it rests at an angle.
J. Remove the system board (2) by sliding it up and to the left at an angle.
11. Remove the HP Envy 14 fan/heat sink assembly:
A. Turn the system board upside down with the front toward you.
B. Disconnect the two fan cables (1) from the system board.
C. Loosen the nine captive screws (2) that secure the fan/heat sink assembly to the system board.
D. Remove the fan/heat sink assembly (3).
NOTE: Due to the adhesive quality of the thermal material located between the fan/heat sink
assembly and system board components, it may be necessary to move the fan/heat sink assembly
from side to side to detach it.
Reverse this procedure to install the fan/heat sink assembly.
We supply below parts for HP Envy 14: