All Questions
Tagged with power-supply hardware-failure
149
questions
5
votes
4
answers
154k
views
Weird buzzing noise coming from the pc (PSU perhaps)
Ok so this is a weird one. I'm used to troubleshooting things like this one myself, but now i'm rather stuck.
Just bought a new PC with RTX 2080 & Ryzen 7 2700X. All good, runs smooth and rather ...
- 1
1
vote
2
answers
4k
views
How can a power supply (PSU) fail to power a motherboard but still test as "OK"?
I'll start by apologizing for asking another question on a topic which obviously pops up over and over and over again. I tried to locate an existing answer matching my situation, but I did not. If you ...
- 3,343
2
votes
0
answers
11k
views
Laptop stops and starts charging randomly
I have an ASUS laptop and it randomly starts and stops charging without moving the cables. The battery is brand new and seems to be working fine. The DC Adapter is professionally tested and seems to ...
0
votes
1
answer
992
views
Supermicro server can't turn on after I disconnect IEC power cord cable without turning off the mains
I did this and after that my server can't turn on. The thing is that I actually turned off the server from Windows before disconnecting the power cable. There's no burnt smell. I tried changing to ...
- 261
0
votes
3
answers
14k
views
Desktop will not boot, not even to the BIOS
My desktop, assembled back in December 2011, specs are:
Gigabyte H61M-S2P-B3 rev1.0
Intel i7 2600 3.4GHz
Kingston DDR3 4GB 1333MHz
Seagate Barracuda 500GB 7200RPM
Windows 10 x64 Pro updated to ...
- 1
1
vote
0
answers
777
views
Estimation on power consumption for dram modules on desktop mainboard?
Desktop mainboard is equipped with Crucial, DDR4-2400, PC4-19200 2x16GB, CT2K16G4SFD824A, CL=17, dual Ranked, x8 based, unbuffered, non-ECC, 1.2V, 2048Meg x64bit modules. What is power consumption for ...
- 335
0
votes
2
answers
818
views
Computer devices randomly get disconnected
I seem to have a strange issue with my PC. The devices which are connected to it are randomly getting disconnected, only to be connected again in like a second.
I typically observe the issue when I ...
- 1
1
vote
2
answers
4k
views
Why does my computer abruptly shut down? PSU is faulty but works well without load [closed]
There are similar questions on this site, some do not have definitive answers while in other cases it was the motherboard that was faulty or overheating issues. In my case it’s the PSU.
The purpose ...
- 122
5
votes
4
answers
54k
views
What is the function/purpose of the pinhole on the battery of a Samsung Series 5 ultrabook?
Some background (not entirely relevent to main question): I can't find my specific model of laptop online but it has all the same specs as this excluding the touchscreen: http://bit.ly/18netZQ
It's a ...
- 1
1
vote
1
answer
802
views
Can a PSU outage cause a Mechanical Start Failure on a S.M.A.R.T. drive?
Recently, my PSU crunched out on me and I had to replace it. The drive in question was running at the time, and during an attempt at start up afterwards (during which the PSU did not output enough ...
- 73.6k
1
vote
2
answers
9k
views
PC is buzzing under load
I've got a mini-itx small factor PC
GTX 980
i5 6600
SF PSU 600W
When it's under a load, like running a game for example, it starts buzzing usually.
These are two examples, not from my box but the ...
- 10.9k
0
votes
2
answers
13k
views
UPS turning on and off repeatedly
I'm using an Intex Protector UPS. When I push the power button it starts with a beep, which is normal, I know. But when the beep ends, the light which shows power turns off and button remains pressed. ...
- 56.1k
-1
votes
2
answers
85
views
Computer cannot boot to bios
When I turn on my computer, it just goes go to a black blank screen. It only has an internal graphic card.
Upon further investigation, I noticed the fan intermittently stop and start again.
Things I ...
- 31
0
votes
1
answer
127
views
Power surge, computer can't find one hard drive, case light still on
So, my entire machine is consistently plugged into a surge protector. All the same, a sudden electrical storm caused a total power down. After starting it back up, it can't find a relatively important ...
- 135
0
votes
1
answer
428
views
does power supply redundant failure cause kernel panic? [closed]
Just after one of the power supply failed, the following error was recoreded in syslog. (the OS is ubuntu 14.04.) I am running a JVM (java virtual machine) with 64 HEAP on server with 128 RAM. do you ...
- 6,548
0
votes
1
answer
173
views
RAM is dying. Could the power supply be the cause?
I was playing on my old PC when the Blue screen happened and my PC restarted. After that it froze and there was no way to recover it except to force it to shut down.
My screen didn't show anything ...
- 4,387
0
votes
1
answer
108
views
Windows 10 machine rebooting intermittently
My windows 10 machine is starting to frequently crash. No BSOD, just power off and it starts back up. There doesn't seem to be any pattern to it... I can be working the box gaming or something and ...
- 101
1
vote
0
answers
85
views
Desktop PC doesn't switch on, power cuts
Today I have quite a big problem with my HP Pavillon Desktop pre-built computer.
So, what happens?
Well, when I press the power button, nothing happens. There's a led light on the back of the ...
- 182
0
votes
4
answers
234
views
Power supply failure
New everything! LED lights green on motherboard when power is turned on. BUT THAT'S ALL! No fans moving, no hard drive spinning, no indication of any other power. No resonse from anything. Again,
...
- 27.6k
1
vote
1
answer
270
views
PC won't power on after blackout
Problem:
Power went out for about an hour yesterday morning. I didn't worry about it much because all my electronics are behind surge protectors, but when I tried to boot up my old PC this afternoon ...
- 11
1
vote
1
answer
90
views
PC turning off intermittently
Current Specs:
Motherboard: Maximus VII Hero (Socket 1150)
Processor: Intel Core i7-4790K
Ram: 32GB (4x8GB) DDR3-1599
Video: EVGA GTX 1070
PSU: EVGA 750 G3
SSD: ...
5
votes
2
answers
4k
views
Windows 10 PC reboots randomly with NO BSOD (New hardware)
EDIT/TLDR: See my answer below: https://superuser.com/a/1281893/855012
I have a brand new build that has a random problem that happens typically once or twice daily, but it runs great the remainder ...
- 51
-1
votes
1
answer
1k
views
Is it a PSU or motherboard failure? Or something else?
My desktop computer suddenly stopped working today. When it happened, the fuse in the house was also knocked off. After switching it back on, I tried to turn the computer back on but nothing happened -...
0
votes
1
answer
356
views
Power Supply turns off 10 seconds after power on
I have an Antec VP450 PSU. Today when I switched on my PC it turned off right before Windows loaded. I narrowed down the issue to this PSU, removed it and tested it by shorting the green wire in the ...
- 847
0
votes
1
answer
4k
views
Battery reports it's fine, but notebook won't boot /wo AC plugged in
I am running Acer Aspire Timeline Ultra M5-581TG. I opened it up to clean (as I've done twice before), assembled it back and now observe weird behaviour: the laptop won't react to the power button ...
- 1
1
vote
1
answer
630
views
My computer is turning off and on over and over?
I was wondering if any of you know why my computer is turning off and on every 2-6 seconds when it starts? It happens when I turn off my computer then try to turn it on again. I got it to work for now,...
- 113
2
votes
1
answer
69
views
Computer either black screens mid-usage or fails to post completely
So I've had my computer for almost a year now, and it has worked flawlessly sans a few problems with my Motherboard battery, but that was an easy fix by simply replacing it.
Just recently, in fact ...
- 1,697
0
votes
0
answers
829
views
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:...
- 9
3
votes
1
answer
152
views
Diagnosing a dead computer
I built my own desktop computer about a year and a half ago and it's been working fine. Recently I went out of town for about ten days and left my surge protector turned off. When I returned, the ...
- 193
1
vote
0
answers
233
views
HP Proliant ML150 G3 PSU change to Corsair VS650 PSU
I'm new for having experience about power supply, i just bought second HP Proliant ML150 G3, and looks like the original PSU was broken, and i'm already have Corsair VS650 PSU which is same Power 650W,...
1
vote
2
answers
757
views
New PSU New Issue, Fan, Hard drive, Disc Drive Start, Nothing Else
I've been in the chat for the past while and found nothing so I figured I'd come to the front page.
For about 6-8 months I've had issues with my computer not starting when it was cold and even then ...
- 1,425
1
vote
1
answer
94
views
PSU requiring often cable change
I seem to be having a strange issue with my PSU that I use for my computer.
Long story short, I built my own computer about 1-2 months ago, and was having no trouble with it for about the first month.
...
CommunityBot
- 1
0
votes
0
answers
58
views
How can I verify that a PSU is operating within spec after a major component failure?
The PSU in question is a FSP Aurum CM 550W that is still under warranty for another 3 years.
Tonight I experienced a major failure (possibly or extremely likely, fire was involved given how the ...
- 126
0
votes
0
answers
136
views
Computer powers off a few seconds after starting boot
I am trying to repair some friend's of mine PC that won't boot. I have disconnected all devices from the main board and connected it to a new power supply.
Here are the symptoms:
The battery is ...
- 217
-1
votes
1
answer
1k
views
Is my CPU broken or my motherboard?
I've built my first computer nearly 2 years ago and have been using it fine ever since. A couple of days ago, I was installing a new SSD. I turned on the PC and it didn't recognize the new drive, so I ...
- 16.1k
0
votes
0
answers
429
views
Computer occasionally shuts off mid-boot ; and other weird power issues
So I have a desktop computer I assembled myself back in July. It works great and I didn't encounter any hardware issues, except for some weird power ones.
When my computer is on, everything is fine. ...
CommunityBot
- 1
1
vote
0
answers
290
views
PC won't boot - Reasons unknown
So a few weeks back I bought a GTX 980 and in order to power it with longevity in mind, a Corsair AX860, an 860W Platinum PSU.
It was working for two weeks and then I got "power surge warning/error" ...
CommunityBot
- 1
9
votes
2
answers
5k
views
Under what conditions will a group-regulated PSU damage a modern computer?
These days, group-regulated power supply design is considered obsolete and is ideally avoided—primarily due to the poor regulation under crossload. For example, Shilka pulls no punches here, and while ...
- 46.2k
0
votes
2
answers
1k
views
Samsung R700 Replace Power Jack
I am purchasing http://www.rolta.co.uk/new-samsung-r700-laptop-power-jack-pin-socket-dc-connector-34735-p.asp because of a defective power jack. To replace this is it easy to do? Or will i have to do ...
- 65.3k
0
votes
1
answer
4k
views
How do I know if my PSU is dead or if my PC won't turn on because of something else?
The other day, my PC shut off in the middle of using it and will not turn back on. I think it could be my PSU because it is exhibiting some of the same behaviors of what I've seen on the negative ...
- 12.2k
0
votes
1
answer
227
views
Macintosh SE PSU Servicing?
First thing's first: I take full responsibility for any injury sustained while servicing a PSU. Any advice offered here is to be considered purely subjective.
I own a Macintosh SE, which was ...
- 65.3k
2
votes
1
answer
2k
views
Should i use an old PSU for my new PC?
I have an old Antec Quattro 850w power supply which already has 6 years. I used the PC that this PSU was installed like 2/3 hours every day for 6 years, mainly for gaming.
I have a tight budget for ...
- 130k
3
votes
2
answers
5k
views
Checking if NVIDIA graphic card crashes due to an underpowered PSU
I've started playing some newer games lately and encountered frequent, intermittent crashes printing errors such as DXGI_ERROR_DEVICE_HUNG, DXGI_ERROR_DEVICE_REMOVED, or similar. Researching reduced ...
- 264
3
votes
2
answers
1k
views
Troubleshooting Random Reboots: Can I rule out my PSU and RAM?
I have a 2-month old Ubuntu build (described at the bottom of the post) that has started to reboot itself within an hour of powering on. It was stable and gave me no issues until these reboots started ...
- 11
4
votes
2
answers
2k
views
PSU cannot provide enough power
I've semi-recently built a new Linux rig for A/V editing and the occasional gaming. On some games I've experienced consistent reboots with high graphics settings that, I believe, are due to PSU ...
- 65.3k
-3
votes
1
answer
2k
views
After thunderstorm, monitor won't turn on
As a result of thunderstorm I had a power outage in my apartment. I had unplugged all the power cords of the computer during the storm but after the power came back the monitor wouldn't turn on.
I am ...
- 27.6k
-1
votes
1
answer
2k
views
computer crashes due to supposed power surges
I built my computer half a year ago, I have never had a problem. I started playing shogun 2 through steam a few days ago, and last night when I went to play, it told me it was already running(though I ...
- 111
0
votes
2
answers
2k
views
Laptop wont Switch on.. Power button LED Blinks when I press power button
My Laptop is Lenovo T430. Tried following steps with No luck.
Refer to my Video here.
Try charging the Battery to Full
Remove Battery and tried booting it with Power directly.
Changed the Keyboard.
...
- 1,092
1
vote
1
answer
472
views
Dell Studio 1749 AC Adapter Cut Out
The problem
I have a Dell Studio 1749 laptop, well outside of warranty (unfortunately) that developed a strange problem. Basically, the power adapter cuts out when you plug it in while the computer ...
- 1,092
1
vote
2
answers
227
views
Computer attached to UPS temporarily died when another computer was plugged in
The scenario:
I attached a desktop to a power strip that was connected to a UPS and then all the other components on the UPS shut off. I thought I might have accidentally clicked the kill switch on ...
- 31.6k