Tutorials

  • What is electronics?
  • What are electricity, voltage current & resistance?
  • What is ground?
  • What is continuity?
  • Multimeter symbol and description?
  • Mosfet types and real shape on laptop motherboard:
  • How many types of Power stage of laptop motherboard?
  • Identification of different stages of main board power:
  • Main board power On stage and different power:
  • Booting process of notebook motherboard:
  • Supply sequence of motherboard:
  • How to repair motherboard of computer/laptop:
  • Dead motherboard [for notebook motherboard repair]:
  • DC regulator power supply detects shorted components in motherboard:
  • First RST (reset) signal on computer circuit:
  • Signal checking of ICH, PCH & CPU:
  • Crystal clock summary: