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Help:Pc suddenly shut down, Now can’t turn on

Mko

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Went out of my room to do something while my pc with only a single chrome tab open,then when I came back it was just off and won’t turn back on
How do I figure out what wrong? My guess is PSU but iam not sure,if it was the PSU suddenly dying should I be really concerned of the other hardware being damaged
 
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Did you try flipping the psu switch?....could be a tripped psu.
 
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Went out of my room to do something while my pc with only a single chrome tab open,then when I came back it was just off and won’t turn back on
How do I figure out what wrong? My guess is PSU but iam not sure,if it was the PSU suddenly dying should I be really concerned of the other hardware being damaged
Could be the PSU. Or it could be some other component causing a short, like a failing HDD or GPU.

And whether you should be concerned about other components if it is your PSU, that depends on your PSU. If it's a high quality model, then probably not. If it's a cheap noname sh**, then... well...
 
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Could be the PSU. Or it could be some other component causing a short, like a failing HDD or GPU.

And whether you should be concerned about other components if it is your PSU, that depends on your PSU. If it's a high quality model, then probably not. If it's a cheap noname sh**, then... well...
Yes, flip the back switch on the psu off then on. Most boards have lights that will show up if there is power but if not you can pit power and see if any thing tries to turn on. If does then its a short in something. It happened to me a great many years ago which my gtx1080 just randomly dying and shorting out.
 
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Yes, flip the back switch on the psu off then on.
Or, if your PSU does not have a master power switch, unplug it from the wall for 10 seconds or so, then plug it back in. Either way will completely remove all voltages from the computer and (if lucky) reset a corrupt setting and boot properly.

If it still does not work, since EVERYTHING inside the computer case depends on good, clean stable power, you need to verify you are providing it. So beg, borrow or steal a known good PSU you can swap in there to see if the system boots then. If it does, you know your PSU is bad. If it still does not boot with the 2nd PSU, something else has failed.

Oh, you didn't say where you live. If you live in an area of the world that uses switched wall outlets, make sure the outlet is powered on.
 
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Went out of my room to do something while my pc with only a single chrome tab open,then when I came back it was just off and won’t turn back on
How do I figure out what wrong? My guess is PSU but iam not sure,if it was the PSU suddenly dying should I be really concerned of the other hardware being damaged

If no lights turn on, or fans don't start spinning, when you turn on the pc, then it is most likely the psu. If lights and fans do turn on, then it's likely something else - if so you can try plug monitor into hdmi / dp port in motherboard to see if you get a picture then, to exclude the gpu being the issue. If you still don't get a picture at that point, it is either cpu, mobo or ram.
 
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Plug something - phone charger, anything - into socket PSU was using at time of fault. If it doesn't work the PSU/PC could be fine.
 

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If no lights turn on, or fans don't start spinning, when you turn on the pc, then it is most likely the psu. If lights and fans do turn on, then it's likely something else - if so you can try plug monitor into hdmi / dp port in motherboard to see if you get a picture then, to exclude the gpu being the issue. If you still don't get a picture at that point, it is either cpu, mobo or ram.
Take heed with this, ive seen rgb run but system couldnt boot, when they swapped psu in it booted, so the other unit was not able to provide power good for POST.


Went out of my room to do something while my pc with only a single chrome tab open,then when I came back it was just off and won’t turn back on
How do I figure out what wrong? My guess is PSU but iam not sure,if it was the PSU suddenly dying should I be really concerned of the other hardware being damaged

Swap the psu and lets go
 
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Take heed with this, ive seen rgb run but system couldnt boot, when they swapped psu in it booted, so the other unit was not able to provide power good for POST.




Swap the psu and lets go

There are exceptions to every rule, but i've found what i wrote to be a good rule of thumb in my work :)

And saying he should just change psu, when he hasn't specified what actually happens when he tries to turn it on, nor taken any steps to finding out what is wrong, is a bit... yeah.
 
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And saying he should just change psu, when he hasn't specified what actually happens when he tries to turn it on, nor taken any steps to finding out what is wrong, is a bit... yeah.
Huh? Sorry, but it seems apparent you have no formal training as an electronics technician - nor does it appear you understood what the OP said. He said it "won't turn on". Had he said when he pushes the button, the fans spin and lights the power light comes on but no video, or if he said it does "not boot", that might indicate something else. But he did not say that.

Regardless, while yes, there are always exceptions but as I noted above, EVERYTHING inside the case depends on good power. Not really any exceptions there. And there are no "if" there either (as I note your suggestion has no less than 5 ifs).

If lights and fans do turn on, then it's likely something else
Sorry, but that is not true. It might be something else, but likely? Not necessarily. A PSU is required to output 3 different voltages. Fans spinning (depending on which fans) might mean the +12V is present but says nothing of the required +5VDC or +3.3VDC.

Basic electronics troubleshooting starts with power, and at the wall. Is it plugged in? Is it turned on? Is the power supply delivering good power?

We can probably assume it is plugged in. But that's it because we need the OP to come back to verify the outlet has power. If it does, then because even the graphics solution needs good power, swapping in a known good PSU, at the very least, eliminates power from the equation.

Now if the OP comes back and says, it does turn on, fans spin, lights light but he sees nothing on the monitor, then fine, swapping cables first would be easier than swapping a PSU. But again, we need the OP to come back and verify that.
 
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Huh? Sorry, but it seems apparent you have no formal training as an electronics technician - nor does it appear you understood what the OP said. He said it "won't turn on". Had he said when he pushes the button, the fans spin and lights the power light comes on but no video, or if he said it does "not boot", that might indicate something else. But he did not say that.

Regardless, while yes, there are always exceptions but as I noted above, EVERYTHING inside the case depends on good power. Not really any exceptions there. And there are no "if" there either (as I note your suggestion has no less than 5 ifs).


Sorry, but that is not true. It might be something else, but likely? Not necessarily. A PSU is required to output 3 different voltages. Fans spinning (depending on which fans) might mean the +12V is present but says nothing of the required +5VDC or +3.3VDC.

Basic electronics troubleshooting starts with power, and at the wall. Is it plugged in? Is it turned on? Is the power supply delivering good power?

We can probably assume it is plugged in. But that's it because we need the OP to come back to verify the outlet has power. If it does, then because even the graphics solution needs good power, swapping in a known good PSU, at the very least, eliminates power from the equation.

Now if the OP comes back and says, it does turn on, fans spin, lights light but he sees nothing on the monitor, then fine, swapping cables first would be easier than swapping a PSU. But again, we need the OP to come back and verify that.

The only thing that is apparent is that you are being incredibly rude.

Op didn't specify anything, so @eidairaman1 suggesting he should go and buy a new psu right off the bat is a "bit" premature.
 

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Well suddenly shutting down and wont come back on from experience has been a failing psu, other issues could be a bad cord, outlet, strip or power strip or a shorted motherboard
 

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I have a Seasonic PSU in my kids rig that is like that. If the 3070Ti sends some wicked feedback to the PSU it will shut the system down. Will not start until I trip the switch at the back
 

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I have a Seasonic PSU in my kids rig that is like that. If the 3070Ti sends some wicked feedback to the PSU it will shut the system down. Will not start until I trip the switch at the back
Ocp or ovp, cards are getting ridiculous in current draw
 
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Wow, new post and techs already gotta argue over who's smarter, typical.

Look, by the way the OP asked for help, he identified himself as a neophyte, and that's perfectly great - so let's start at step 1. Yes, an experienced person would be able to skip steps, not so the neophyte.

As it was on and suddenly off with no response, yes, we look at power - breaker, PSU, PSU switch, power cord. Could also be the cable from PC switch to MB, but system was on and even if you disconnect that switch while PC is on, it doesn't turn the system off - so, not likely. Also not likely the power cord cause rare failure, but it DOES occasionally happen.

Unplug PC and turn off PSU switch - wait a minute or so - plug back in, turn PSU switch on. Verify power cord is fully seated in PSU. Try to turn on
Verify wall power - reset the breaker if equipped (seen do partially trip at times). Verify power by turning on PC or plug in another device. Can even take PC to another known working outlet to be sure.

Still nothing? Now we're down to power cord (unlikely), PSU, and PC switch / cable to MB (also unlikely).
Power cords "do" fail - it's RARE, but.....if you have another can try swapping it out.
The switch connector on the MB operates as a momentary short - I really don't think it's the issue, but can always short the MB pins (only if comfortable doing so).
If still nothing, now we are down to the PSU as failure.

For myself, I've had multiple times when I'd hit the switch and nothing would happen - and it's NEVER been the PSU. Hell, my PSU survived lightning coming into the house through cabling (house full of smoke, lots of stuff dead including a hole in my A/C coil in the attic - and yes, I have "funny" power issues on occasion now).

And yeah, it's possibly the PSU...but maybe not. Troubleshoot before part swapping (when it isn't obvious)

And to anyone here trying to help folks - seriously, thanks
 
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Well suddenly shutting down and wont come back on from experience has been a failing psu, other issues could be a bad cord, outlet, strip or power strip or a shorted motherboard

All of the things you said could be the issue, and more. But he gave us literally no info. For all we know it could be a laptop, or a prebuilt - both could be under warranty, in which case you deffo wouldn't wanna buy a new psu and start swapping it yourself. You wouldn't (or rather shouldn't) before doing some testing regardless though.
 
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Had a 3080Ti take a crap on me. With it connected nothing would power on. Could be PSU related or something else. Start with the basics of troubleshooting and go from there.
 
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Wow, new post and techs already gotta argue over who's smarter, typical.

Look, by the way the OP asked for help, he identified himself as a neophyte, and that's perfectly great - so let's start at step 1. Yes, an experienced person would be able to skip steps, not so the neophyte.

As it was on and suddenly off with no response, yes, we look at power - breaker, PSU, PSU switch, power cord. Could also be the cable from PC switch to MB, but system was on and even if you disconnect that switch while PC is on, it doesn't turn the system off - so, not likely. Also not likely the power cord cause rare failure, but it DOES occasionally happen.

Unplug PC and turn off PSU switch - wait a minute or so - plug back in, turn PSU switch on. Verify power cord is fully seated in PSU. Try to turn on
Verify wall power - reset the breaker if equipped (seen do partially trip at times). Verify power by turning on PC or plug in another device. Can even take PC to another known working outlet to be sure.

Still nothing? Now we're down to power cord (unlikely), PSU, and PC switch / cable to MB (also unlikely).d
Power cords "do" fail - it's RARE, but.....if you have another can try swapping it out.
The switch connector on the MB operates as a momentary short - I really don't think it's the issue, but can always short the MB pins (only if comfortable doing so).
If still nothing, now we are down to the PSU as failure.

For myself, I've had multiple times when I'd hit the switch and nothing would happen - and it's NEVER been the PSU. Hell, my PSU survived lightning coming into the house through cabling (house full of smoke, lots of stuff dead including a hole in my A/C coil in the attic - and yes, I have "funny" power issues on occasion now).

And yeah, it's possibly the PSU...but maybe not. Troubleshoot before part swapping (when it isn't obvious)

And to anyone here trying to help folks - seriously, thanks
As eidairaman1 says let it be tested at a place where they can swap some parts to find the culpritt but i do not rule out windhoos itself also
If you have a backup of that system you could try to set it back and try again as it seem to show the bios page fine
But i highly respect eidairaman1 his technical knowledge, so try this ideas it is free or cost a little bit and might solve it quicker than fubble around on a forum
 
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As eidairaman1 says let it be tested at a place where they can swap some parts to find the culpritt but i do not rule out windhoos itself also
If you have a backup of that system you could try to set it back and try again as it seem to show the bios page fine
But i highly respect eidairaman1 his technical knowledge, so try this ideas it is free or cost a little bit and might solve it quicker than fubble around on a forum
Windows - software - ABSOLUTELY cannot prevent a PC from powering up as the software isn't LOADED without the PC powering up. My understanding of this thread is system is no power at all, or did I miss a post?
 
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The only thing that is apparent is that you are being incredibly rude.
Well, if you hadn't "rudely" implied the advice of several others was bad advice, maybe my response would have been different!

You accused @eidairaman1 of "suggesting he should go and buy a new psu right off the bat". No he didn't. He said to "swap" the PSU. In fact, NO ONE BUT YOU said anything about him "buying" a new PSU. So what do you call someone who falsely accuses another of saying something they didn't say? Honest and polite? :wtf:

You said the OP didn't specify anything. Yes he did. "Won't turn back on" is something. You also claimed no other steps were taken. While it is true we need more information, many suggestions were made by those trying to help that did NOT include "buying" a new PSU, as noted below.

Did you try flipping the psu switch?....could be a tripped psu.
Could be the PSU. Or could be some other component causing a short, like a failing HDD or GPU.
Yes, flip the back switch on the psu off then on.
Or, if your PSU does not have a master power switch, unplug it from the wall for 10 seconds or so, then plug it back in.
Plug something - phone charger, anything - into socket PSU was using at time of fault.
swapped psu in it booted,

Sorry if you felt I was being rude or if it hurt your feelings but it changes nothing. The OP needs to verify good power is being supplied to his computer. And the best, most conclusive way to do that is by "swapping" in a known good PSU and see if the problem of "won't power on" clears, or goes away.

Now what is obvious at this point is we need to OP to return with more information. So I suggest we wait until then.
 
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Well, if you hadn't "rudely" implied the advice of several others was bad advice, maybe my response would have been different!

You accused @eidairaman1 of "suggesting he should go and buy a new psu right off the bat". No he didn't. He said to "swap" the PSU. In fact, NO ONE BUT YOU said anything about him "buying" a new PSU. So what do you call someone who falsely accuses another of saying something they didn't say? Honest and polite? :wtf:

You said the OP didn't specify anything. Yes he did. "Won't turn back on" is something. You also claimed no other steps were taken. While it is true we need more information, many suggestions were made by those trying to help that did NOT include "buying" a new PSU, as noted below.








Sorry if you felt I was being rude or if it hurt your feelings but it changes nothing. The OP needs to verify good power is being supplied to his computer. And the best, most conclusive way to do that is by "swapping" in a known good PSU and see if the problem of "won't power on" clears, or goes away.

Now what is obvious at this point is we need to OP to return with more information. So I suggest we wait until then.

Dude, just stick in your pibe - you were being rude then, and you are being rude now.

Most people don't have spare psu's just laying around, so "swapping psu" would in most cases imply buying one.
 
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Software W10 Pro 64-bit
Most people don't have spare psu's just laying around, so "swapping psu" would in most cases imply buying one.
No it doesn't.

Note I suggested he borrow one - perhaps maybe from the computer he used to post his question here. Or from a friend or relative.

If there's power at the wall outlet, and the power cable is securely fastened, and the master power switch is set to on, and it "won't power on" then trying a different PSU is next step.

I already apologized once. You falsely accused others saying something they didn't. You can keep sulking and calling me rude if you like, I really don't care - but its not helping the OP. He still needs to verify power and we still need more information before we can move on - and yes, that includes whether or not the computer is still under warranty.

So I suggest we wait until he replies.
 
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