Maintenance and Service Guide

System board
NOTE: The system board spare part kit includes replacement thermal materials.
Description Spare part number
System board (includes replacement thermal materials):
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating system
xxxxxx-601: Windows operating system
For use in models with discrete graphics:
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Intel Core i3-7020U processor and 2 GB of dedicated video memory L24453-xxx
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Intel Core i5-8250U processor and 2 GB of dedicated video memory L24454-xxx
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Intel Core i5-8265U processor and 2 GB of dedicated video memory L38210-xxx
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Intel Core i7-8550U processor and 2 GB of dedicated video memory L24455-xxx
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Intel Core i7-8550U processor and 4 GB of dedicated video memory L24456-xxx
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Intel Core i7-8565U processor and 2 GB of dedicated video memory L38211-xxx
For use in models with UMA graphics:
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Intel Core i5-8265U processor L38212-xxx
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Intel Core i5-8250U processor L24460-xxx
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Intel Core i3-8130U processor L33910-xxx
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Intel Core i3-7100U processor L41568-xxx
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Intel Core i3-7020U processor L24459-xxx
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Intel Pentium N5000 processor L24461-xxx
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Intel Pentium N5000 processor with 64 GB eMMC L24462-xxx
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Intel Celeron N4000 processor L24457-xxx
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Intel Celeron N4000 processor with 64 GB eMMC L24458-xxx
System board hook L23206-001
Before removing the system board, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
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 rubber feet (see Computer feet on page 31).
5. Remove the bottom cover (see Bottom cover on page 33).
Component replacement procedures 49