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Category Blog

Smartphone & Pad Repair Guide

iPhone 12 Pro Max can’t be turned on

iPhone 12 Pro Max can't be turned on, layered motherboard burns, replaced damaged capacitors, fault fixed.

zll
2022-09-30

Laptop Repair Guide

Asus FL5900U notebook does not trigger the repair of non-boot

Asus FL5900U laptop does not trigger not turn on, plug in and try the current 0.010A does not trigger, directly find K42J material board to remove one over, replace the resistance, and so the board is cold, plug the current directly run up the light machine.

yx
2022-09-29

Desktop PC Repair Guide

ASUS PRIME Z390-P 15-second shutdown repair

ASUS PRIME Z390-P 15-second shutdown repair Asus Prime Z390-P shuts down in 15 seconds, replaces 472 in the blue circle, and the fault is relieved. Machine model: ASUS PRIME Z390-P ASUS PRIME Z390-P 15-second shutdown repair Figure 1. Malfunction: boot…

lqy01
2022-09-29

Smartphone & Pad Repair Guide

OPPO R9s Plus can’t be charged

OPPO R9s Plus can't be charged, cut off the shield at the top right corner of the CPU, remove U2901, fault fixed.

zll
2022-09-29

Laptop Repair Guide

Lenovo Z500 laptop has standby not trigger repair

Lenovo Z500 notebook standby does not trigger repair, check the switch JPWRB1 4-pin voltage is 1.13V is not correct, D26 2-pin resistor R642 end 3.3, end 1.131, this resistor has a problem. Directly remove this resistor a line to pull over, and then power on the test 4 pin voltage 3.3 has, boot trigger, troubleshooting, repair to this end.

yx
2022-09-28

Desktop PC Repair Guide

Jijia H81M-DS2 does not start up for repair

Jijia H81M-DS2 no booting, remove OC22 and troubleshoot. At this time, the main board can be booting up, but there is still a malfunction, and the keyboard doesn't respond. So, everything is back to normal after replacing UR4.

lqy01
2022-09-28

Smartphone & Pad Repair Guide

OPPO A35 can’t be charged after entering water

OPPO A35 water damage can't be charged. When the charging IC is replaced, it will prompt "abnormal charging".Repeat welding is the main power supply, and the fault is repaired.

zll
2022-09-28

Laptop Repair Guide

DELL 14-7447 notebook no booting™ 3801 is repaired without power on.

DELL 14-7447 notebook no booting™ 3801 is repaired without power on. [machine model] DELL 14-7447 notebook [motherboard version number] Quanta AM7 [Failure] Notebook no booting is not powered on. [maintenance process] Received a DELL 14-7447 notebook, and the fault description…

yx
2022-09-27

Desktop PC Repair Guide

About the transformation test of the burning defect of the graphics card

About the transformation test of the burning defect of the graphics card

lqy01
2022-09-27