Motherboard Repair | Electronics Repair And Technology News

Certified SMS EVGA 500w 80 Plus Repaired

Jestine Yong — Sat, 17 May 2025 04:09:44 +0000

This PC was brought to the Workshop because it was not powering on. First of all, the Power Supply was checked and it was not working. The Power Supply was extracted from the cabinet. It was an expensive SMPS, an 500w EVGA Certified Power Supply 80 Plus (white). Then […]

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Repair of ASUS H81M-A 4th Generation

Jestine Yong — Sun, 04 May 2025 06:41:05 +0000

This ASUS Motherboard H81M-A Rev.:1.03, 4th Generation was brought to the Workshop because it was fully dead. First of all, the boardview of this Mobo was open and the repair began. An energized SMPS was connected and the +5VSB (Standby) were present. In this diagram these +5VSB was supplied […]

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Desktop Motherboard Lead-Free Soldered Component Removed

Jestine Yong — Fri, 08 Nov 2024 11:51:55 +0000

One college student came to my place referred by one of residents of our society. He wants to replace one capacitor which looks bulged & discolored. On asking about motherboard problem he is also not aware because he got this Motherboard from his colleague in his college. He tried to replace the Capacitor but he […]

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Repaired Computer For No Turning ON

Jestine Yong — Sat, 14 Sep 2024 09:34:28 +0000

Received computer for not turning ON, checked on my setup found same problem. Opened the computer found very dusty in side. So first of all I used my vacuum cleaner to blow off dust from inside the computer, for testing I connected it again on power, but still […]

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Computer Power Ok But No Display No POST

Jestine Yong — Sun, 21 Aug 2022 09:17:29 +0000

Received PC for repair with fault symptom when we power it ON- CPU FAN spinning & Power LED indicator light up properly but no any other indication of Booting No POST Beep & No display. So suspected parts are 1) Motherboard 2) RAM 3) CPU 4) BIOS Note: Before […]

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HIS G31 Desktop Motherboard Repaired

Jestine Yong — Thu, 21 Apr 2022 12:24:28 +0000

From the technical guy I received Desktop PC Motherboard for not working problem. (As I said in previous article on Motherboard repair if you are not familiar with working principle of the Motherboard, just follow the process of fault finding which is helpful for any circuit troubleshooting). On […]

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ACER Desktop Motherboard Repaired

Jestine Yong — Sat, 02 Apr 2022 03:00:41 +0000

One of my techie colleagues sent me this Computer Motherboard for repair. he is not familiar in component level repair. This article is for them who are familiar about the Computer Hardware and not for newcomers because Computer motherboards are having more complicated things to learn and it is […]

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Multiple DC Voltage Testing Points of Mainboard

Jestine Yong — Sat, 27 Nov 2021 14:17:45 +0000

If you are repairing many same model of mainboard, there are plenty of ways to troubleshoot it. One of the ways is to power On the device and measure the DC voltages on various points of the mainboard. You need to mark the voltage just like the photo below: Typical example of marked DC voltages […]

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Dead P4P800 Desktop Repair

Jestine Yong — Tue, 23 Mar 2021 10:00:58 +0000

Often when I want to check if my USB bootable memory sticks work I test them on my older P4P800 desktop computer. This way avoiding the risk in damaging the bootsystem on my newer computers. But this time my old trusted Asus computer refused to start up. And nothing worked, not even the Num lock […]

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Desktop Computer Is Turning On But Monitor Screen Showing Error “Check Signal cable”

Jestine Yong — Sat, 26 Dec 2020 09:28:52 +0000

On receiving call from the customer I have visited his site for troubleshooting above stated problem. I turned ON the PC and monitor I can hear single Booting BEEP and green LED (Power Indicator) light is ON, Red LED (HDD) Blinking. But monitor power light turned ON Blue and […]

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