PC seems to function well in repair shops but not at home. What could be causing this difference?

F5F Stay Refreshed Hardware Desktop PC seems to function well in repair shops but not at home. What could be causing this difference?

PC seems to function well in repair shops but not at home. What could be causing this difference?

PC seems to function well in repair shops but not at home. What could be causing this difference?

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vaskata05
Member

77

09-17-2023, 03:49 PM

#1

PC malfunctioned multiple times across different repair shops. Issues included PSU replacement, power button changes, and inconsistent functionality after returns. USB ports and fans didn’t work properly. Recent attempts to fix sockets and plugs didn’t resolve the problem. Seems the electricity or hardware might be faulty. *: Might be a curse, but I forgot to mention the fridge connection issue.*

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vaskata05

09-17-2023, 03:49 PM #1

PC malfunctioned multiple times across different repair shops. Issues included PSU replacement, power button changes, and inconsistent functionality after returns. USB ports and fans didn’t work properly. Recent attempts to fix sockets and plugs didn’t resolve the problem. Seems the electricity or hardware might be faulty. *: Might be a curse, but I forgot to mention the fridge connection issue.*

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coco0829
Junior Member

8

09-23-2023, 09:23 PM

#2

issues on the board are usually due to the motherboard, especially after removing other possible causes. the psu is still a factor, but i also considered testing without a case on top of a cardboard box in case the wall outlet remains problematic.

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coco0829

09-23-2023, 09:23 PM #2

issues on the board are usually due to the motherboard, especially after removing other possible causes. the psu is still a factor, but i also considered testing without a case on top of a cardboard box in case the wall outlet remains problematic.

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Igor_extreme
Member

210

09-24-2023, 02:04 AM

#3

It seems the wall power isn't the problem, as other devices are functioning normally. Buying a new PSU doesn't seem necessary. Did the system operate correctly after the power button was replaced? If yes, try connecting the motherboard directly using a screwdriver to power on the PC—this often resolves issues. Search for relevant guides online. Be cautious not to touch any metal components on the motherboard.

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Igor_extreme

09-24-2023, 02:04 AM #3

It seems the wall power isn't the problem, as other devices are functioning normally. Buying a new PSU doesn't seem necessary. Did the system operate correctly after the power button was replaced? If yes, try connecting the motherboard directly using a screwdriver to power on the PC—this often resolves issues. Search for relevant guides online. Be cautious not to touch any metal components on the motherboard.

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CobraBlizard
Member

229

10-05-2023, 04:17 PM

#4

It seems like a random experiment with a different monitor cable. I faced the same problem before, with my rig not starting up. A shop checked it over but couldn't spot anything, so I brought the monitor along and discovered my display port cable was the culprit. Changing the cable fixed it right away.

On the electrical side, I’m actually an electrician—so I can assure you there’s nothing wrong with your power supply. Voltages are kept stable between about 105v and 130v, which is normal operation. Problems usually appear when the voltage drifts outside that range, and you’d notice many devices failing if that were the case.

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CobraBlizard

10-05-2023, 04:17 PM #4

It seems like a random experiment with a different monitor cable. I faced the same problem before, with my rig not starting up. A shop checked it over but couldn't spot anything, so I brought the monitor along and discovered my display port cable was the culprit. Changing the cable fixed it right away.

On the electrical side, I’m actually an electrician—so I can assure you there’s nothing wrong with your power supply. Voltages are kept stable between about 105v and 130v, which is normal operation. Problems usually appear when the voltage drifts outside that range, and you’d notice many devices failing if that were the case.

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Mispisek
Member

177

10-05-2023, 10:20 PM

#5

I attempted without any cables except the power plug, but it doesn't start at all. At the repair shop using one of the cables I tried, it worked fine. They advised me to record and send them along with a UPS, as others suggested. Since I'm in Israel, I think the same rules apply regardless of voltage differences.

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Mispisek

10-05-2023, 10:20 PM #5

I attempted without any cables except the power plug, but it doesn't start at all. At the repair shop using one of the cables I tried, it worked fine. They advised me to record and send them along with a UPS, as others suggested. Since I'm in Israel, I think the same rules apply regardless of voltage differences.