Dell magazine G3 579 laptop does not charge, adapter and battery switch back and forth, non-BIOS repair.
Lenovo ThinkPad X1 Yoga laptop does not charge, so replace the charging chip and repair it.
Dell 7472 notebook no booting does not display when it is powered on, and replacing BIOS is invalid. This is the problem.
The ZX6-CT5DA notebook computer of ShenZhou ares of war could not be started. It was found that it was caused by memory damage after testing. The fault was repaired after replacement.
ASUS F552V switch auto power off, notebook Won't Turn On,Normally booting up after changing the graphics card.
Lenovo G400 notebook computer Won't Turn On, replace PR319, PC314,Short circuit JPWRB1 4, 8 pin, and repair the fault.
Lenovo B470 laptop screen flickered. After detection, it was found that the backlight on signal of screen line came from EC control. The master repaired it perfectly after changing the line.
Haier S400 notebook power light is not on, the heating table heats the motherboard to 180°or so, and simultaneously blows and welds with SMD REWORK STATION, and replaces the EC chip for repair.
Lenovo ThinkPad P50 notebook no booting,Connect the power supply large current Road, the original problem is here.
