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Category Blog

Laptop Repair Guide

HP tpn-q139 startup 0.00-0.01-0.00 auto power off troubleshooting

HP tpn-q139 startup 0.00-0.01-0.00 auto power off troubleshooting First measure Switch, with 3.3V, and then measure rsmrst ා. It is found that VCC is also normal, which indicates that VCC is also normal;R256 back end, found that VCC difference is…

yx
2022-07-25

Desktop PC Repair Guide

Gigabyte h61m-ds2 repair without startup

Gigabyte h61m-ds2 repair without startup. re installed the power supply, memory, accessories,short-circuit PSW +, successful booting up, the end of repair!

lqy01
2022-07-25

Smartphone & Pad Repair Guide

HUAWEI Mate 40 Pro Boot Black Screen for repair

HUAWEI Mate 40 Pro starts screen is black or frozen，Scraping out the wiring,Jump wire is connected to PAD, and welding small board is renewed,the fault is repaired.

zll
2022-07-25

Laptop Repair Guide

Repair of z7m-ct7gs laptop screen not on

The z7m-ct7gs laptop of Shenzhou Zhanshen is not on, and the LCD VCC is 0.6 abnormal.Find the place where VCC was produced. After careful observation, it was found that the appearance of a 40.2k voltage divider resistor R524 was abnormal. It was directly broken with tweezers and replaced decisively.

yx
2022-07-23

Desktop PC Repair Guide

ASUS G41 mainboard south bridge damage repair

The South Bridge of ASUS G41 mainboard was damaged, which caused the computer to be unable to start normally. The tin ball was reinforced again, installed and tested, and the fault was repaired.

lqy01
2022-07-23

Smartphone & Pad Repair Guide

HONOR 9X can’t turn on WiFi for repair

HONOR 9X can't turn on WiFi. Remove Fuse resistor of corrode and repair the fault.

zll
2022-07-23

Laptop Repair Guide

Troubleshooting of Samsung np-r428 no power on

C145 Short circuit leads to the lowering of linear 3V, resulting in no booting.The COMS battery has also been discharged.It can only be replaced.

yx
2022-07-22

Desktop PC Repair Guide

Xunjing RX 580 8GB wild wolf graphics card mining flower screen computing power repair

Xunjing RX 580 8GB wild wolf graphics card mining flower screen computing power，Find the cause of the fault and replace the do particle. The repairi over.

lqy01
2022-07-22

Smartphone & Pad Repair Guide

iPhone 12 does not turn on for repair

iPhone 12 does not turn on, main board Short circuit,The rosin smoke method, start Current heating test, remove the problem Capacitor, and repair the fault.

zll
2022-07-22