2.
Remove the screw (3) securing the board to the computer, and then remove the display LED board (4).
Reverse this procedure to install the display LED board.
Heat sink
Description
Spare part number
Heat sink for use only with models with NVIDIA N16P discrete graphics memory
850109-001
Heat sink for use only with models with NVIDIA N16E discrete graphics memory
850110-001
Heat sink for use only with models with AMD Strato XT GL discrete graphics memory
850111-001
Heat sink for use only with models with UMA graphics memory
850112-001
Before removing the heat sink, 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 service door (see
Service door on page 33
).
5.
Disconnect the battery (see
Battery on page 34
).
Remove the heat sink:
Heat sink for use with models with discrete graphics memory
1.
Remove the screws in the order shown (1 – 8) and then remove the heat sink (9) from the system board.
58
Chapter 6 Removal and replacement procedures for authorized service provider parts