023.1001N.0011 original Wistron fan (UMA/CPU) - sparepartworld.com
Product data Lenovo IdeaCentre B40-30 Intel Pentium G 21.5" 1920 x 1080 pixels Touchscreen 4 GB DDR3L-SDRAM 1 TB HDD All-in-One PC Windows 10 Home Black All-in-One PCs/Workstations (F0AW0098US)
Lenovo B50-10 Disassembly Video Guide
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