Lenovo y400 nm-a141 notebook does not power on, and the problem is solved after replacing the damaged g718t.
ASUS p5g41t-m-lx3 motherboard automatically shuts down after 15 seconds of startup. It is found that the resistance is damaged. After replacement, the startup is normal.
ASUS b75m-Plus motherboard is powered on, and the detection card is plugged in. The reset lamp is always on, and the motherboard is not reset. Replace the triode Q1 and start the machine normally.
iPhone 6s Plus Update System reported an error of 4014. The fault was repaired perfectly after replacing Nand.
Hasee K650D-G4D2 notebook is not turn on. It was found that the R705 was damaged after testing. After replacement, Q25 was removed. Pins 1 and 6 were connected, and pins 3 and 4 were connected. The fault was perfectly repaired.
Redmi Note 5mobile phoneno booting, remove the fault Capacitor, the fault is solved.
After the k650d of Shenzhou Zhanshen entered the system normally,splash screen alarm signal was disconnected abnormally, which led to CPU H_CPU_Svidalrt ා signal can not communicate with the CPU chip VCC normally, which causes the CPU to work abnormally and causes splash screen.
The auto power off of Gigabyte ga-h61m-s1 motherboard was turned on irregularly. It was found that it was caused by the pull-up resistance r97 corrode Inveracious Soldering of 5vdull. It turned on normally after replacement.
Lenovo S2 notebook not turn on was found to be caused by pq2099 damage after testing, and the fault was repaired after replacement.
