System Board - HP Envy 15 Maintenance And Service Manual

System board

Description
PM55 PCH Peak-M system board with 1 GB of dedicated video memory (includes replacement
thermal material)
PM55 PCH Peak-M system board with 1 GB of dedicated video memory (includes replacement
thermal material)
Before removing the system board, 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 (see
5.
Remove the following components:
a.
b.
c.
d.
e.
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:
●
Expansion and primary memory modules (see "Expansion memory module" and Primary memory
module").
●
WLAN module (see
●
RTC battery (see
●
Processor (see "Processor").
Remove the system board:
1. Disconnect the following cables from the system board:
●
●
●
●
58 Chapter 4 Removal and replacement procedures
Battery on page
Memory module compartment cover (see "Expansion memory module").
Top cover (see Top cover on page 39
Speaker assembly (see "Speaker assembly").
Hard drive (see Hard drive on page 49
Processor fan/heat sink assembly (see
WLAN module on page 46
RTC battery on page 48
Power connector cable (1)
Power button board cable (2)
Bluetooth module cable (3)
Ambient light sensor module cable (4)
36).
Processor fan/heat sink assembly on page 51
Spare part number
600292-001
600293-001