Questions tagged [capacitor]

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MSI GTX 960 oc broken capacitor

I accidentally broke one of the tiny capacitor that is connected right next to the PCIe bus but thank god the card still works but only runs at x4 instead of x16. I have a soldering station and I have ...
ayoub amouch's user avatar
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Can a motherboard's USB controller / port be damaged if an externally powered USB cable is plugged into a powered USB port? [duplicate]

I mistakenly plugged a USB cable into a powered USB-C port on my laptops motherboard that was concurrently plugged into a 5V 2A USB to Wall AC adapter. Nothing seemed to happen at the time but could ...
Zeno of Elea's user avatar
-2 votes
1 answer
116 views

Laptop turns off immediately after I turn it on

My laptop was having overheating issues so I decided to open it up and replace the thermal paste and install a new fan, so far I only have removed the old thermal paste residue using rubbing alcohol ...
Shayan's user avatar
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2 answers
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old computer hang on vga or usb

my old desktop computer start to hang up then restart when display card stressed or even used for video display or irregularly without stressing VGA, I noticed if mouse and keyboard removed "both ...
Hamed's user avatar
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2 answers
467 views

My new PCIe card doesn't fit into my motherboard; whose fault is it?

A capacitor on my motherboard (an Asus Prime A320I-K) is preventing the PCIe card from going completely into the slot (and against the support bracket). The card can tilt about the point where the ...
ATLief's user avatar
  • 135
24 votes
6 answers
9k views

Is it safe to use RAM with a damaged capacitor?

While inserting a new DDR4 RAM module in the second slot of my laptop, I broke one of the capacitors (see image). To my surprise, my Windows 10 started normally indicating that new RAM is available (...
Павле's user avatar
2 votes
0 answers
463 views

LCD capacitor issue fixing itself after some time

I have a Viewsonic XG3240C 144hz monitor. Recently it started having problems when turned on after being off for some time (8-10 hours). It shows distorted horizontal lines at the bottom of the screen,...
user1260436's user avatar
0 votes
1 answer
995 views

Monitor never detects input, turns off within a few seconds - Samsung LCD lu28e590ds

My monitor has caused me troubles before, whenever I unplug&replug the input cable, it could take ~1 hour to detect the input. In the past I ensured not to unplug it, so over nearly a year it didn'...
dustytrash's user avatar
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1 answer
32 views

How to choose a mother board which is compatible with all the old components [closed]

My system configs I have been facing some weird issues that I can't find solution to 1 : At times while I am working on my system, the screen completely freezes, no response, it does not restarts on ...
Ali's user avatar
  • 1
2 votes
1 answer
154 views

Laptop requires several restarts before the graphics card powers up

I have a PCSpecialist Octane III (Clevo P751DM2-G) which is about 18 months old now. Less than a week ago, with no identifiable cause the laptop started requiring several restarts for the screen to ...
Jason's user avatar
  • 141
20 votes
5 answers
9k views

How are capacitor lifespans measured in hours

I'm looking through the marketing information for my motherboard, and noticed an odd statement regarding the lifespan of their Nichicon 12K Black Caps. "Supreme 12K black capacitors with lifespans ...
Frank Thomas's user avatar
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Corsair VS650 PSU Failure

I wanted to ask if the PSU that just exploded repairable by just replacing the capacitor Because I'm short on money and can't really afford a new PSU right now its Capacitor is 400V + 360uF https:...
ZAYN's user avatar
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0 votes
1 answer
972 views

Capacitor discharge of motherboard

After gaming for few hours, I shut down my computer. Immediately when it turned off, I pressed the power button, because I had to turn it on again for a reason. But it turned on after a few seconds, ...
Paul's user avatar
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1 vote
2 answers
902 views

Mouse defect, faulty ceramic capacitor?

The right button of my optical mouse is not beeing recognised anymore so i decided to take the mouse apart and search for the error. My mouse is nearly the same as the one mentioned in this question. ...
LNK2019's user avatar
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1 vote
0 answers
1k views

Endless loop when booting computer

This is a long time problem that recently became a real annoyance every single day. When I press the power on button of my computer in the morning or after a few hours turned off, the power LED ...
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1 vote
0 answers
229 views

Gigabyte GTX 660 OC 2GB running fine for short periods of time then causing critical errors and turning off. What's the cause of it?

I've purchased an used, partially damaged card - Gigabyte GTX 660 OC 2GB with twinfrozr fans. I had hope to easily repair it using my experience with electronics. However, the problem with it is ...
Danny_Student's user avatar
0 votes
1 answer
280 views

DCLCD DCL9C Monitor power issues

Lately my DCLCD DCL9C monitor has had some troubles. In order to use it I had to toggle the power button upwards of 20 times. Hitting the power button would show the proper display for a second and go ...
coinreturn's user avatar
0 votes
1 answer
1k views

My old monitor Samsung Syncmaster 740n needs 2-3 min to turn on

When I power on my old monitor Samsung Syncmaster 740n, it needs needs 2-3 min to power on. When it turns on, it works fine. What can be wrong with it and if it possible how to fix it?
vasili111's user avatar
  • 537
2 votes
1 answer
9k views

Discharging capacitor of laptop

I would like to know what is the procedure for discharging capacitors of a laptop, as my laptop is not able to power up. The AC power light starts to blink as soon as it's plugged to the laptop.
Ray's user avatar
  • 39
2 votes
2 answers
3k views

Motherboard makes high-pitched chirping noise; will it stop by itself, or what do I need to do to fix it? [duplicate]

I know computers, I have been fixing them and building them for over a decade... but I don't know the exact electronics of them. My personal desktop PC is making an irregular, but constant, extremely ...
mawburn's user avatar
  • 214
0 votes
1 answer
522 views

Possible capacitor plague - need help identifying

I've been having some PC power issues lately, and I think I've tracked it down to a bad power supply. Lately, when I'm on my PC it will often restart without warning, displaying "Hypertransport sync ...
Enrico Tuvera Jr's user avatar
2 votes
2 answers
10k views

What caused a capacitor in the power supply start smelling?

I was using my computer in the morning then later in the afternoon I noticed some bad smell coming from the power supply. As I checked in, I noticed that one of the big capacitors was leaking and dry. ...
Bernard Kimani's user avatar
6 votes
3 answers
6k views

Is it safe to disable cache flushing on a SSD with "power loss protection"?

I have an Intel 320 SSD which is supposedly able to flush its cache during a power loss. From Storage Review: Rarely seen in a consumer SSD, Intel uses an array of capacitors to make sure data ...
netvope's user avatar
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8 votes
4 answers
21k views

What could cause a desktop power supply to "hiss"?

Some background to my problem: My city had a thunderstorm last Monday and when I woke up, I noticed my desktop was turned off. I powered it on. It would stay on for about 20 seconds and then shut off. ...
TheCloudlessSky's user avatar
6 votes
5 answers
10k views

Solid capacitors burst, PC seems fine, how safe is it to keep using it?

Tonight while I was using my desktop PC, I heard a very loud pop from the inside of my case. After investigating I found that two capacitors on the graphics card had burst, and yellow fibers were ...
thomasrutter's user avatar
  • 1,940
8 votes
5 answers
1k views

What are these? Are they broken?

Please excuse the poor image quality: What are the components that I've circled in red? The ones on the left look whole and solid. The ones on the right have cracked tops, and although this picture ...
Chris Nielsen's user avatar