HP ENVY m4-1100 HP ENVY m4 Notebook PC Maintenance and Service Guide - Page 62

System board, Battery, Hard drive, Optical drive, WLAN module, Keyboard, Top cover, Memory module

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System board Description System board (includes replacement thermal material) Spare part number 698093-501 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 Battery), and then remove the following components: a. Hard drive (see Hard drive) b. Optical drive (see Optical drive) c. WLAN module (see WLAN module) d. Keyboard (see Keyboard) e. Top cover (see Top cover) 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 Memory module) ● RTC battery (see RTC battery) ● Fan/heat sink assembly (see Fan/heat sink assembly) ● Processor (see Processor) 54 Chapter 4 Removal and replacement procedures

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System board
Description
Spare part number
System board (includes replacement thermal material)
698093-501
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
Battery
), and then remove the following components:
a.
Hard drive (see
Hard drive
)
b.
Optical drive (see
Optical drive
)
c.
WLAN module (see
WLAN module
)
d.
Keyboard (see
Keyboard
)
e.
Top cover (see
Top cover
)
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
Memory module
)
●
RTC battery (see
RTC battery
)
●
Fan/heat sink assembly (see
Fan/heat sink assembly
)
●
Processor (see
Processor
)
54
Chapter 4
Removal and replacement procedures