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lqy01

Joined: 2021-11-01
Articles: 385

Desktop PC Repair Guide

Gigabyte GA-H110M-DS2V REV: 1.0 Very fast repair when power is off

Gigabyte GA-H110M-DS2V REV: 1.0 Power on and power off are very fast. Remove the two capacitors OBC15 and OBC16, and find that 2_ The resistance of 5LEVEL to the ground increases a lot. The resistance at both ends of OBC15 is measured, while the resistance at both ends of OBC16 is infinite. The OBC15 is not installed directly, and it is OK to turn on the machine.

lqy01
2022-12-21

Desktop PC Repair Guide

HP M2N68-LA does not have memory repair

HP M2N68-LA does not have memory repair

lqy01
2022-12-20

Desktop PC Repair Guide

SUS Z87-K does not trigger repair

ASUS Z87-K does not trigger, and O is found during measurement_ PSON#_ R The line is broken, so the fly line, the fault basis, can be triggered by pulling off the BIOS.

lqy01
2022-12-19

Desktop PC Repair Guide

Power-off repair immediately after triggering of Gigabyte B75-DS3V

After the triggering of Gigabyte B75-DS3V, power down immediately, replace the TQ9, or remove the TQ8, and the fault is removed.

lqy01
2022-12-16

Desktop PC Repair Guide

Gigabyte GA-H110M-DS2V REV: 1.0 Very fast repair when power is off

lqy01
2022-12-15

Desktop PC Repair Guide

Mine card P106 short circuit repair

Mine card P106 was short circuited. Because the 5V feedback resistor was knocked off, the feedback was abnormal. Then the 5V chip generated 12V, which damaged the core power supply composite tube and pex power supply chip. The chip fault was repaired.

lqy01
2022-12-14

Desktop PC Repair Guide

Apple workstation 820-2337-A does not trigger repair

Apple workstation 820-2337-A did not trigger. A good G pin was found and replaced. The troubleshooting and maintenance is over.

lqy01
2022-12-13

Desktop PC Repair Guide

Troubleshooting of BIOS chip related video card

Troubleshooting of BIOS chip related video card

lqy01
2022-12-12

Desktop PC Repair Guide

GA-B75M-HD3 REV: 1.0 triggers instant power loss repair

GA-B75M-HD3 REV: 1.0 triggers instant power loss repair Gigabyte b75m-hd3 Rev: 1.0 switch instantly enguishes auto power off, removes q54, solves the problem, lights up normally, and the maintenance is completed. Machine plate No: GA-B75M-HD3 REV: 1.0 Fault phenomenon: switch…

lqy01
2022-12-10

Desktop PC Repair Guide

Power-off repair of Gigabyte GA-H310M-D2VX

Gigabyte GA-H310M-D2VX is powered down, and the resistance of the replaced three-level tube is normal.

lqy01
2022-12-09