Laptop Repair Training
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Laptop Online Repair Training

3.3 FAULT FINDING STEPS

CHP 18. HOW TO USE CRO BASIC CONCEPTS, TESTING WITH CRO& MULTIMETER(STEPWISE):

  1. Understanding CRO , Used,
  2. Testing , Frequency , Vrm Power, Signals

CHP 19. TESTING TOOLS , DEBUG CARD, SLOT TESTER:

  1. DEBUG CARD, Error Codes, Identify Different Problems
  2. Slot Tester :- Cpu, Ram

CHP 20. BIOS UPDATE, RESET:

  1. Bios Update Process,
  2. Bios Password Concept

CHP 21. WASHING, CLEANING, DRYING & DRY SOLDER PROBLEM SOLUTION OF MOTHERBOARD:

  1. Washing & Drying Steps Of Board
  2. Dry Solder Problems To Solve

CHP 22. TESTING LAPTOP POWER CONSUMPTION THRU POWER SUPPLY UNIT:
CHP 23. FLOW CHART IDENTIFY FAULT AND SOLUTION STEPS
CHP 24. FAULT FINDING LAPTOP POWER SECTION CHARTS
P1       Dead laptop tracing step
P2       Adapter power off when connect to laptop
P3       laptop charging led not on
P4       laptop not power on by pressing on off swithc
P5       laptop power led on and closed in 2/3 sec
P6       laptop power on and off in 30 seconds
P7       laptop power led on but no display
P8       laptop not power on by adapater   but power on by battery
P9       laptop not power on by battery  , but on by adapter
P10     rtc, cmos battery power section
P11     laptop some time on , some time not on
P12     laptop protection circuit
P13     laptop VIN/ PWRSRC not generate
P14     always power on section troubleshooting
P15     Charging section troubleshooting
P16     Primary section troubleshooting
P17     Secondary section troubleshooting
P18     Laptop VRM section troubleshooting
P19     laptop other power on troubleshoot
P20     Laptop over heated

CHP 25. FOULT FINDING LAPTOP CONNECTION:CHARTS
C1       Laptop CPU troubleshooting
C2       Laptop clock troubleshooting
C3       Laptop north bridge/ gmch  troubleshooting
C4       Laptop RAM  troubleshooting
C5       Laptop LCD troubleshooting
C6       Laptop VGA connection  troubleshooting
C7       Laptop HDMI troubleshooting
C8       Laptop south bridge troubleshooting
C9       Laptop ieee 1394 troubleshooting
C10     Laptop audio troubleshooting
C11     Laptop Lan troubleshooting
C12     Laptop sata/ pata troubleshooting
C13     Laptop odd/ cd DVD connection troubleshooting
C14     Laptop USB troubleshooting
C15     Laptop  Esata   troubleshooting
C16     Laptop PCMCIA troubleshooting
C17     Laptop I/O chip troubleshooting
C18     Laptop  touchpad  troubleshooting
C19     Laptop keyboard troubleshooting
C20     Laptop bios troubleshooting
C21     Laptop bios password troubleshooting
C22     Laptop debug card post code errors
C23     Laptop camera not work
C24     Laptop modem troubleshooting
C25     Laptop card reader troubleshooting
C26     laptop wifi troubleshootingCHP 25. FLOW CHARTS FOR FOULT FINDING STEPS:

CHP 26. DISCUSSION STUDENT PROBLEMS AND SOLUTION: