Category Laptop Repair Guide

Laptop Repair Guide

Dell G7 does not boot (damaged bridge)

戴尔G7不开机 图3
When measuring the main board inductance with single board, it is found that the bridge's resistance of 1.05V is 0, which indicates that there may be something wrong with the bridge. Other inductance resistances are normal when measured. If the bridge is burnt with 1V, the bridge will be locked for short circuit damage. The specific maintenance process is as follows:

Huawei notebook WFH9 does not charge

华为笔记本WFH9不充电

Huawei notebook WFH9 does not charge. Fault model: Huawei notebook WFH9 Fault symptom: No charging. Maintenance process: I received a machine sent for repair by my peers, the model of which is Huawei notebook WFH9, and the fault is that…

Asus A550V notebook does not trigger repair

iPad7 A2197不开机 2

Asus A550V notebook does not trigger repair. Machine model: ASUS A550V Main board version number: X550CC 2.0 Fault phenomenon: the notebook does not trigger, and there is no standby current. Asus A550V notebook does not trigger maintenance Figure 1 Take…

DELL 14236-1 notebook does not trigger repair

IMG_258

DELL 14236-1 notebook does not trigger repair. Machine model: DELL 14236-1 Fault symptom: the notebook does not trigger. Maintenance process: after inspection, the common point 13.6V is normal, and the standby 3/5V is normal. DELL 14236-1 notebook does not trigger…