Introduction of computer hardware peripherals2) detail study of motherboard, ram, hard disk , processor3) assembling & disassembling4) bios setup 5) OS installation6) on line/offline driver installation7) application installation8) networking9) how to make pen drive bootable10) laptop assembling & disassembling11) identify all parts of laptop12) broken hing solution13) how to change broken lcd panel & base14) dim display or back light failure solution15) difference between different type displays16) how to change screen, display cable, fl card how troubleshoot these kinds of problems in laptop given below1) over heating2) hang, restart & automatically shut down3) touch pad not working4) memory data components5) liquid damage6) wifi related7) audio related8) camera related9) DVD writer related10) Bluetooth related11) motherboard problem diagnosis12) battery testing13) charging problem (card level)14) keyboard related