Table 7-6 System board descriptions and part numbers (continued)
Description Spare part number
Intel Core Ultra 7 255HX processor and RTX 5070Ti graphics P29651-601
Intel Core Ultra 7 255HX processor and RTX 5070Ti graphics (for use in PRC) P29659-601
NOTE: You do not have to remove the heat sink before you remove the system board.
Before removing the system board, follow these steps:
1. Prepare the computer for disassembly (see Preparation for disassembly on page 38).
2. Remove the bottom cover (see Bottom cover on page 38).
3. Disconnect the battery cable from the system board (see Removing and reinstalling the same
battery on page 41).
4. Remove the heat sink (see Heat sink/fan assembly on page 55).
When you replace the system board, be sure to remove the following components (as applicable) from
the defective system board and install them on the replacement system board:
● Secondary solid-state drive (see Solid-state drive on page 47).
● Memory modules (see Memory modules on page 50).
● WLAN module (see WLAN module on page 52).
● Primary solid-state drive (see Solid-state drive, primary, models with 5070Ti, 5080, or 5090 graphics
on page 57).
Remove the system board:
1. Disconnect the following cables from the system board:
● Display cable (1) (ZIF)
● Wireless antenna cables from the WLAN module (2)
● ULL Bluetooth module cable (3) (ZIF)
● Speaker cable (4)
● Keyboard cable (ZIF) (5)
● Audio board cable (ZIF) (6)
● Touchpad cable (ZIF) (7)
● IR sensor board (ZIF) (8)
● Keyboard RGB backlight cable (ZIF) (9)
● RGB light bar (ZIF) (10)
● USB board cable (ZIF) (11)
System board
59
To Next Page
Loading...
