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USB doors are available for both sides of the computer. Use the same removal and replacement
procedures for both doors.
Reverse this procedure to install the USB door.
System board
To remove the system board, use these procedures and illustrations.
Table 5-12
System board descriptions and part numbers
Description
AMD Ryzen 5 3500C processor, 8 GB of system memory; no eMMC memory (models with a fingerprint
sensor)
AMD Ryzen 3 3250C, 8 GB of system memory, and 64 GB of eMMC memory (models with a fingerprint
sensor)
AMD Ryzen 3 3250C, 8 GB of system memory; no eMMC memory (models with a fingerprint sensor)
AMD Ryzen 3 3250C, 4 GB of system memory; no eMMC memory (models with a fingerprint sensor)
AMD Athlon Silver 3050C, 4 GB of system memory, 64 GB of eMMC memory (models with a fingerprint
sensor)
AMD Athlon Silver 3050C, 4 GB of system memory, 64 GB of eMMC memory (models without a fingerprint
sensor and with a backlit keyboard)
AMD Athlon Silver 3050C, 4 GB of system memory, 64 GB of eMMC memory (models without a fingerprint
sensor and without a backlit keyboard)
Before removing the system board, follow these steps:
1.
Prepare the computer for disassembly
2.
Remove the bottom cover
3.
Remove the battery (see
4.
Remove the fan (see
34
Chapter 5 Removal and replacement procedures for authorized service provider parts
(Preparation for disassembly on page
(Bottom cover on page
Battery on page
23).
Fan on page
28).
22).
Spare part number
M50344-001
M50345-001
M50343-001
M53245-001
M49455-001
M35762-001
M35768-001
22).
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