Fault finding concept

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 troubleshooting

CHP 25. FLOW CHARTS FOR FOULT FINDING STEPS:

CHP 26. DISCUSSION STUDENT PROBLEMS AND SOLUTION: