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 on page 65
)
●
Heat sink assembly (see
Heat sink assembly on page 61
)
To remove the system board:
1.
Position the computer upright, and then disconnect the following cables from the system board:
(1)
: Power connector cable
(2)
: Speaker cable
(3)
: Fan cable
(4)
: Display cable
2.
Remove the two Phillips PM2.5×5.0 screws
(5)
that secure the system board to the computer.
Component replacement procedures
57
Summary of Contents for 255 G3
Page 1: ...HP 255 G3 Notebook PC Maintenance and Service Guide ...
Page 4: ...iv Safety warning notice ...
Page 12: ...4 Chapter 1 Product description ...
Page 34: ...26 Chapter 3 Illustrated parts catalog ...
Page 46: ...38 Chapter 5 Removal and replacement procedures for Customer Self Repair parts ...
Page 80: ...72 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts ...
Page 84: ...76 Chapter 7 Using Setup Utility BIOS and HP PC Hardware Diagnostics UEFI in Windows 8 1 ...
Page 88: ...80 Chapter 8 Using Setup Utility BIOS and System Diagnostics in Windows 7 ...
Page 114: ...106 Chapter 14 Statement of Volatility ...