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yx

Joined: 2021-11-01
Articles: 558

Laptop Repair Guide

Second repair Lenovo 16891-1 notebook does not boot.

Failure phenomenon: Before this notebook, the charging interface fuse burned. After short-circuiting the fuse, it charged normally. After lowering BAT_IN#, it worked normally. This time, the customer brought it again, saying that he would turn it off by himself when playing games.

yx
2023-05-11

Laptop BoardView, Laptop Schematics

The Schematic, Circuit Diagram PDF file for 6-71-N9600-D02 Drawings of Shenzhou Ares TX8-CU5DS File info Pages:120 Format: PDF File Size: 12.8MB Schematic Preview 6-71-N9600-D02TX8-CU5DS_0_split 6-71-N9600-D02TX8-CU5DS_0_split Download Download XinZhiZao maintenance software to view the full 6-71-N9600-D02 Drawings of Shenzhou Ares TX8-CU5DS.

yx
2023-05-10

Laptop Repair Guide

Repair of Common Problems in Booting Black Screen of ASUS X455L Notebook

Repair of Common Problems in Booting Black Screen of ASUS X455L Notebook Machine model: ASUS X455LD Main board number: X455LD RV2.1 Fault phenomenon: the notebook can be triggered, the boot screen is black and there is no display. Maintenance process:…

yx
2023-05-10

Laptop Repair Guide

Asus A541U notebook can’t be turned on for maintenance after it is flooded.

When the motherboard was removed, it was found that many parts of the motherboard under the corresponding keyboard had been corroded by water, which was more serious. There are two new situations, one is that the adapter of the regulated power supply head is not suitable, and the other is that the power-on key of this machine is integrated on the keyboard and cannot be removed, so temporary leads have to be welded on the motherboard.

yx
2023-05-08

Laptop Repair Guide

Repair of Lenovo Xiaoxin notebook TAPE-C interface without charging

Lenovo Xiaoxin TAPE-C is not charged, and the charging port, electric drill and file are modified. Make a small hole first, then fine-tune, try to achieve the factory standard, and then file it.

yx
2023-05-03

Laptop Repair Guide

Apple A1466 notebook does not start for repair

Carry out mainboard test and maintenance, connect the power supply to test the power supply, and check according to the time sequence; It can be roughly judged that the problem should appear on the bridge side. It is found that the bridge does not emit PM_SLP_SUS_L, and it is abnormal to test 0V at the resistor R8190.

yx
2023-05-01

Laptop Repair Guide

Lenovo THINKPAD S2 is just difficult to maintain due to protection and isolation

Lenovo THINKPAD S2 is just difficult to maintain due to protection and isolation Machine model: Lenovo THINKPAD S2 Main board number: DA0PS8MB8G0 Fault phenomenon: 0.0012A plug-in, actually measured as no protection and isolation, no common point. Maintenance process: The old…

yx
2023-04-28

Laptop Repair Guide

Dell DELL 15-3567 notebook keyboard is stuck, and battery maintenance is not recognized.

The keyboard of Dell DELL 15-3567 notebook computer is stuck, and it doesn't recognize battery maintenance. Take a look at it by brushing the BIOS first. After brushing the BIOS, it is found that the keyboard is not stuck, but it still doesn't recognize the battery, and it doesn't turn on when it is only used.

yx
2023-04-27

Laptop Repair Guide

Asus A441U notebook does not display maintenance when it is turned on.

Test the voltage of the whole board, just don't install that PQ8808, enter the system, and the switch is normal, so leave it alone. This is the end of maintenance.

yx
2023-04-26

Laptop Repair Guide

Lenovo rescuer Y7000P does not show maintenance when starting

Lenovo rescuer Y7000P does not show maintenance when starting. Machine model: Lenovo rescuer notebook Y7000P Fault phenomenon: the customer describes that Lenovo rescuer Y7000P does not display when it is turned on. Maintenance process: Received a Y7000P from the customer,…

yx
2023-04-25