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Category Desktop PC Repair Guide

Desktop PC Repair Guide

Desktop PC Repair Guide

Gigabyte GA-Z87P-D3 No reset Power down Restart repair

Gigabyte GA-Z87P-D3 did not reset and restarted after power failure. The power supply line was replaced and the BIOS was brushed. The boot test was normal.

lqy01
2022-10-17

Desktop PC Repair Guide

Lenovo IB250MH does not trigger repair

Lenovo IB250MH did not trigger, and the fault of the soldered crystal oscillator remained, so a 32.768 crystal oscillator was found from the stock plate, and the waveform was normal after replacement, and the fault was repaired.

lqy01
2022-10-15

Desktop PC Repair Guide

Power failure maintenance of Jijia H81 motherboard

Gigabyte H81 motherboard is powered down, and the BIOS is turned on perfectly due to failure.

lqy01
2022-10-14

Desktop PC Repair Guide

Gigabyte H81M-S1 repair without CPU power supply

Gigabyte H81M-S1 has no CPU power supply. The IT8620E trigger is normal. After replacing the power supply chip ISL95812, the fault is eliminated.

lqy01
2022-10-13

Desktop PC Repair Guide

ASUS A68HM-K can only be repaired by pressing F1 when starting

Asus A68HM-K can only press F1 when starting up, but the BIOS still fails. Then the detection bridge found that the SC18 capacitor leakage caused the voltage to be pulled down, so it would be better to replace it.

lqy01
2022-10-12

Desktop PC Repair Guide

Small Shadow Ba GTS450 does not display repair

Small Shadow Bully GTS450 does not show that the electrical blocking fault between Pin 9 and Pin 10 of UP6161S14 is still the same Then scrape the pad and replace it with a brand-new 10K resistor for fault repair.

lqy01
2022-10-11

Desktop PC Repair Guide

ASUS B85M-F fan is running normally, and it does not light up for maintenance

ASUS B85M-F fan is often turning, the point is not lit, brushing the BIOS, replacing the PQ804 fault still exists, so replace a new PQ800 everything back to normal.

lqy01
2022-10-10

Desktop PC Repair Guide

Apple MacBook Pro 1502 notebook does not trigger no-boot repair

Apple MacBook Pro 1502 notebook does not trigger no-boot repair Apple MacBook Pro 1502 notebook does not trigger and does not boot [machine model] apple MacBook Pro A1502 [Motherboard Model] 820-3476-A [maintenance process] Pick up a companion apple.notebook, Dismantle the…

yx
2022-10-10

Desktop PC Repair Guide

ASUS RTX2070 Short Circuit Repair

ASUS RTX2070 shorted out, first fixed all the chips under the shorted 5V, and tested normal after replacing the missing parts one by one.

lqy01
2022-10-07