Govt Lenovo 4125 Power On No Display-Solved

COPPER LINES TRAINING CENTER ( CLTC ) CHENNAI 9841076606.
Leading Chip Level Service Trainers for LAPTOP & DESKTOP
Motherboard's in CHENNAI.

We are Covering,
* Simple ways to solve any kind of Laptop Motherboard problems
* Understanding & Importance of Schematics & Data Sheets
* Stage by Stage testing points for dead motherboards
* How to reach the faulty sections directly
* Power Sequence for Dual Core, Corei3,i5 and i7 Motherboards
* Power Start-up Difference between Laptop & Desktop
* Dead Board Short Tracing methods & Solutions
* Various reasons for Power ON-NO Display Issue
* How the Clock Generator Works & How to Check
* Working Concepts of MOSFET and Regulators
* BIOS Flashing with RT809F Programmer
* S1-S2-S3-S4 Voltages and Signals Sequence
* How the Transistor works with signal line
* GPU to GMCH Display Convertion
* Do's & Dont's before you start Chip Level on Motherboards