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How to update the Machine Type and Model (MTM), System Serial Number (SN), or System Brand ID of system BIOS menu – ThinkCentre, ThinkStation - Lenovo Support GB
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For Lenovo B51-80 B51 80 laptop Mainboard BIWB6 B7 E7 E8 LA-D101P i7-6500U Radeon R5 M330 100% test ok - Newegg.com
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