After triggering, Gigabyte H61M-DS2 will restart several times before it lights up. Remove the R220 resistor and replace it with the fault.
Xiaomi 10 Youth edition black and screen crashes, and the fault is repaired after redoing CPU and font.
The mechanical revolution deep-sea ghost Z3 screen did not flash, and the rear power supply did not output, so the fault of the flyer voltage tube was removed.
Lenovo ThinkPad E540C notebook is powered on and powered off. After removing the capacitor, the measured resistance value is more than 300 ohms (the one after disconnection). After the capacitor is installed, the computer will be normal
HONOR Play4T Pro can't be turned on, and the fault was fixed after reinstalling the battery button.
HUAWEI P40 Pro has poor Bluetooth signal, and can't search for Bluetooth devices. It is a fake antenna, and the fault is repaired.
Asus X540UP notebook can't be turned on, the BIOS hasn't been moved, the CPU voltage is normal, turn on the bitmap, look for the small 6-pin conversion tube PU8804, disassemble it directly, and then connect it directly from the resistance of R0633 at the back of the CPU, then power it on, and the current is 0.26-0.54-0.68-0.48-0.53-0.44-0.75.
ASUS H61M-E restarted repeatedly, replaced the conversion tube PQ22, the fault remained, replaced the pull-up resistor, and the fault was repaired.
HUAWEI Mate 9 can't be turned on, redo the CPU, fix the fault, and the mobile phone can start normally.