Maintenance and Service Guide

Table 6-8 System board description and part number (continued)
Description Spare part number
GeForce GTX 1060, 3 GB (G-Sync models) L36478-xx1
GeForce GTX 1060, 6 GB (G-Sync models) L40551-xx1
Before removing the system board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 34).
2. Remove the base enclosure (see Base enclosure on page 34).
3. Remove the battery (see Battery on page 45).
4. Remove the hard drive (see Hard drive (HDD) on page 37).
5. Remove the solid-state drive (see Solid-state drive (SSD) on page 39).
6. Remove the power connector cable (see Power connector cable on page 50).
7. Remove the fans (see Fans on page 48).
When replacing the system board, be sure to remove the following components (as applicable) from the
defective system board and install on the replacement system board:
● Heat sink (see Heat sink on page 56)
Remove the system board:
1. Make sure to disconnect the following cables from the system board:
(1) Drive cable
(2) Power connector cable
(3) Fan cable
(4) Display cable
(5) Fan cable
(6) Audio cable
(7) Speaker cable
(8) Smart card cable
(9) Touchpad cable
(10) Keyboard cable
(11) Backlight cable
NOTE: The fan cables were disconnected from the system board when the fans were removed.
54 Chapter 6 Removal and replacement procedures for authorized service provider parts