MacBook Air a1466 laptop did not respond to boot,Fuse components were damaged, and they were successfully repaired after replacement.
Lenovo Z485 serious water notebook does not boot, motherboard corrosion moldy, see how to fix it!
Usus a42j notebook no booting, home maintenance left a hole, but finally found the reason.
ASUS n550jv water damage no booting, the mainboard line was broken, and the fault was repaired after add solder poor line repairing.
HP 6550B notebook but Current protection isolated, after replacing two resistors, the fault is perfectly repaired.
Lenovo B575E notebook Won't Turn On, through detection found that 3V standby filter Capacitor has a problem, after replacement, the fault is repaired.
The Acer acere5-511 notebook did not respond when it was turned on, the oscilloscope grasped the waveform, and there were many faults and twists in the whole process of maintenance.
Lenovo Y470 can be charged when it is turned off, but can't be charged when it is turned on. Remove PU201 and PQ201, and replace the component charging chip, the fault is perfectly repaired
Dell 15-7572 notebook Won't Turn On, replace fault Capacitor and repair.
