Project: ZD1

It turns on and off, the lights remain lit on the power

The 3v end the 5v are present.
Following are the measures on the pins of battery voltage:

Only with power supply:
Pin 1 - 0V
Pin 2 - 0V
Pin 3 to 0.33 V
Pin 4 to 2.52 V
Pin 5 to 2.50 V
Pin 6 - 0V
Pin 7 - 0V

Only with battery:
Pin 1 - 10.55V
Pin 2 - 10.55V
Pin 3 to 0.33 V
Pin 4 to 2.51 V
Pin 5 to 2.56 V
Pin 6 - 0V
Pin 7 - 0V

With power supply and battery:
Pin 1 - 10.55V
Pin 2 - 10.55V
Pin 3 to 0.33 V
Pin 4 to 2.51 V
Pin 5 to 2.56 V
Pin 6 - 0V
Pin 7 - 0V

Thank you

check all voltages and powergood signals

With only one power supply plugged in, the laptop turns on but does not go to video
With just the battery the laptop will not turn on, flashing Led3

Try to heat video chip by heat gun: 300 degree - 10 sec

video card is ok, is separate to mainboard

Thank you

Reflash system BIOS, change memory and processor.
Get the chematic and check voltages on memory, processor, north bridge.