System board
Table 5-9 System board descriptions and part numbers
Description Spare part number
System board including integrated Intel Core i7-1051 U processor and 16 GB of discrete graphics
memory
L94594-601
System board including integrated Intel Core i7-1051 U processor and 8 GB of discrete graphics memory L94593-601
System board including integrated Intel Core i7-1065 G7 processor and 8 GB of UMA graphics memory L94591-601
System board including integrated Intel Core i5-1021 U processor and 8 GB of discrete graphics memory L94592-601
System board including integrated Intel Core i5-1035 G4 processor and 8 GB of UMA graphics memory L94590-601
System board including integrated Intel Core i5-1035 G1 processor and 8 GB of UMA graphics memory L94589-601
Before removing the system board, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 37).
2. Remove the bottom cover (see Bottom cover and rubber feet on page 38).
3. Remove the battery (see Battery on page 39).
4. Remove the solid-state drive (see Solid-state drive and Optane Memory Module on page 43).
To remove the system board:
1. Disconnect the following cables from the system board. If necessary, pull back the Mylar cover to access
specic cables.
NOTE: On select products, the size and shape of the Mylar cover may vary from the illustration.
(1) Mylar cover
(2) Power connector cable
(3) Camera cable
(4) Display cable
(5) Backlight cable
(6) Keyboard cable
(7) WLAN antenna cable
(8) Fingerprint reader cable
(9) Touchpad cable
(10) Speaker cable
50 Chapter 5 Removal and replacement procedures for authorized service provider parts
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