System board
Description Spare part number
i7-7820HQ processor with 16 GB and UMA graphics L02230-001
i7-7820HQ processor with 16 GB memory, UMA graphics, and the Windows operating system L02230-601
i5-7200U processor with 8 GB memory and UMA graphics L02231-001
i5-7200U processor with 8 GB memory, UMA graphics, and the Windows operating system L02231-601
i5-7300U processor with 16 GB memory and UMA graphics L02232-001
i5-7300U processor with 16 GB memory, UMA graphics, and the Windows operating system L02232-601
i5-7300U processor with 8 GB memory and UMA graphics L02233-001
i5-7300U processor with 8 GB memory, UMA graphics, and the Windows operating system L02233-601
i7-7500U processor with 16 GB and UMA graphics L02234-001
i7-7500U processor with 16 GB memory, UMA graphics, and the Windows operating system L02234-601
i7-7500U processor with 8 GB and UMA graphics L02235-001
i7-7500U processor with 8 GB memory, UMA graphics, and the Windows operating system L02235-601
i7-7600U processor with 16 GB and UMA graphics L02236-001
i7-7600U processor with 16 GB memory, UMA graphics, and the Windows operating system L02236-601
i7-7600U processor with 8 GB and UMA graphics L02237-001
i7-7600U processor with 8 GB memory, UMA graphics, and the Windows operating system L02237-601
IMPORTANT: Make special note of each screw and screw lock size and location during removal and
replacement
Before removing the system board, follow these steps:
1. Shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the base enclosure (see Base enclosure on page 34), and then remove the following
components:
a. Battery (see Battery on page 35).
b. WWAN module (see WWAN module on page 38).
c. Solid-state drive (see Solid-state drive on page 40).
d. Disconnect the following cables from the system board:
i. WLAN
ii. WWAN
iii. Solid-state drive
Component replacement procedures 41
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