HP ENVY 15 Maintenance And Service Manual page 76

Before removing the system board, 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
a. Service door (see
b. mSATA SSD (see
c. Hard drive (see
d. Base enclosure (see
e. Display assembly (see
f. Fan (see
NOTE: 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:
●
Memory module (see
●
Heat sink (see
●
Processor (see
66 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
Battery on page
Service door on page
mSATA SSD on page
Hard drive on page
Base enclosure on page
Display assembly on page
Fan on page 63)
Memory module on page
Heat sink on page 70)
Processor on page 75)
41), and then remove the following components:
42)
43)
46)
53)
55)
48)