Lenovo Z410 turned on the fan wildly and lost power. It directly changed the integrated graphics card to brush the BIOS, and the fault was perfectly repaired.
iPhone 12pro Max mobile phone can not be called out. It is detected that there is solder joint falling off on the main board. After repairing,welding is applied to the upper and lower layers, and the fault is repaired.
Dell 14Z-5423 laptop cannot be charged, replace PSID_ After EC, the fault is perfectly repaired.
Lenovo Xiaoxin air 14ikbr notebook screen is dark, replace Q1 MOSFET and Fuse, the display is normal.
The iPhone 6 is flooded and the black screen of the mobile phone doesn't respond. After testing, it is found that it is caused by the damage of u2402. After replacement, the fault is repaired.
ASUS AM4 b450m motherboard Won't Turn On, no CLK, no reset, replace a resistor, boot normal.
The iPhone 7 plus phone loses power quickly. After replacing the USB chip and data cable, the fault is repaired.
Dell P65F laptop charges slowly. It is found that pr311 is damaged after detection. The fault is repaired after replacement.
ZOTAC gtx1080-8g d5x graphics card into the game white screen, replace the damaged VCC chip, the display is normal.