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You can see all the beginner level of laptop repairing here such as:
How to assemble and disassemble laptops, program Bios, solve Bios issues, check voltage and ohm of electronic components, install windows, repair laptop connector.
You can see how to distinguish different brands of motherboards from each other and detect motherboard Rev and codes. schematic, boardview, datasheet, motherboard, platform, manufacturer company, board revision