Category Laptop Repair Guide

Received an HPnotebookThe computer was not turned on when it was flooded. After disassembling, it was found that many places were seriously corroded. After cleaning up the corrosion, there was no organization or abnormality. The specific maintenance process is as follows:

Microsoft 1769 set logo not to enter the system. I received a Microsoft 1769 from the customer, and the boot card has been at the logo for a long time. According to the maintenance experience, CPU, graphics card, hard disk…

During normal use, this machine suddenly turned off with a black screen. After preliminary maintenance, the motherboard was not obviously damaged and missing parts were missing. After re-inspection, it was found that the fault was damaged for the hard disk power supply. The specific maintenance process is as follows:

Common fault of Ares K650D-G6D1 not turning on. K650D-G6D1, the station god, brought it to me and said that sometimes it can be turned on, and sometimes it can only be turned on after 20 times. When the power supply…

Lenovo rescuer R7000 does not turn on the machine, and measures the resistance of the main power supply inductor before powering on. It is found that the resistance of 5V is only 40 ohms, which is obviously abnormal. The specific maintenance process is as follows: