HP ENVY 15 Notebook PC and HP ENVY TouchSmart 15 Notebook PC Maintenance and Service Guide

b. Detach the wireless antenna transceivers (2) from the display enclosure. (The wireless
antenna transceivers are attached to the display enclosure with double-sided adhesive.)
c. Remove the wireless antenna.
The wireless antenna are available using spare part number 720532-001.
Reverse this procedure to reassemble and install the display assembly.
Fan
Description Spare part number
Fan (includes cable) 720235-001
Before removing the fan, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 40), and then remove the following components:
a. Service door (see
Service door on page 41)
b. mSATA SSD (see
mSATA SSD on page 42)
c. Hard drive (see
Hard drive on page 45)
d. Base enclosure (see
Base enclosure on page 52)
e. Display assembly (see
Display assembly on page 54)
Remove the fan:
1. Disconnect the fan cable (1) from the system board.
2. Remove the two Phillips PM2.5×4.5 screws (2) that secure the fan to the top cover.
62 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts