Maintenance & Service Guide

Table 3-1 Computer major components and their descriptions
Item Description Spare part number
(1) Display panel assembly
NOTE: Display panels are only available as spare parts at the subcomponent level.
(2) Top cover/keyboard (includes cable)
NOTE: For a detailed list of keyboard country codes, see Keyboard/top cover on page 72.
Backlight L45090-xx1
No backlight L45091-xx1
Backlight, for use in privacy models L79436-xx1
(3) Touchpad
NOTE: The touchpad cable is available in the Cable Kit as spare part number L45087-001.
L77267-001
(4) Fingerprint sensor assembly
NOTE: The ngerprint sensor cable is available in the Cable Kit as spare part number
L45087-001.
L77268-001
(5) System board (includes integrated processor and replacement thermal material)
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating system
xxxxxx-601: Windows 10 operating system
For use in models with UMA graphics memory:
Intel Core i7-10510U processor L78087-xxx
Intel Core i5-10210U processor L78085-xxx
Intel Core i5-10210U processor (WWAN models) L78086-xxx
Intel Core i3-10110U processor L78083-xxx
Intel Core i3-10110U processor (WWAN models) L78084-xxx
For use in models with discrete graphics memory:
Intel Core i7-10510U processor and NVIDIA GeForce MX250 graphics L78082-xxx
Intel Core i7-10510U processor and NVIDIA GeForce MX130 graphics L78080-xxx
Intel Core i5-10210U processor and NVIDIA GeForce MX250 graphics L78081-xxx
Intel Core i5-10210U processor and NVIDIA GeForce MX130 graphics L78079-xxx
Intel Core i3-10110U processor and NVIDIA GeForce MX130 graphics L78078-xxx
(6) Heat sink, for use in models with UMA graphics (includes replacement thermal material) L45098-001
(7) Heat sink, for use in models with NVIDIA GeForce MX250 graphics (includes replacement thermal
material)
L57506-001
Heat sink, for use in models with NVIDIA GeForce MX130 graphics (includes replacement thermal
material)
L45099-001
(8) Fan
For use in models with discrete graphics L45101-001
18 Chapter 3 Illustrated parts catalog