Heimdall
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Post by Heimdall on Feb 10, 2017 13:27:00 GMT
Since I'm bouncing around the internet looking for the solution to this issue, I thought I'd see if any of the fine folks here had come across it or had a solution.
I put together my first gaming rig last November and it has been functioning without issue until this week.
Now, it won't turn on. By the LED lights on the motherboard, I can see that it's getting power and the USB ports seem to be getting power as well. But when I press the power button nothing happens. Well, the first time I press it I can see a light on the fan turn on but it immediately shuts off and subsequent presses do nothing unless I unplug the computer and plug it in again.
I think my power source (EVGA Supernova 850 G2) may be dead, but does anyone have any other ideas before I start replacing hardware?
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Post by regack on Feb 10, 2017 14:21:35 GMT
Before you start replacing hardware, start by removing things. A USB device that goes bad can cause problems during boot, so since I have no idea what you have plugged in, I'd start by removing any and all USB peripherals, including your keyboard and mouse. See if it boots normally, if not, well, it's probably not those. You could remove other internal components as well, if you're comfortable with all of that. Sometimes it's just process of elimination.
I had a computer that did something similar, but since I rarely if ever turned it off, when it did have that problem, I just unplugged it, waited, plugged it in again, and it would boot normally. Hopefully someone else has something more useful.
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Heimdall
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Post by Heimdall on Feb 10, 2017 14:24:07 GMT
Before you start replacing hardware, start by removing things. A USB device that goes bad can cause problems during boot, so since I have no idea what you have plugged in, I'd start by removing any and all USB peripherals, including your keyboard and mouse. See if it boots normally, if not, well, it's probably not those. You could remove other internal components as well, if you're comfortable with all of that. Sometimes it's just process of elimination. I had a computer that did something similar, but since I rarely if ever turned it off, when it did have that problem, I just unplugged it, waited, plugged it in again, and it would boot normally. Hopefully someone else has something more useful. I actually already tried unplugging everything except the power cord. Unplugging some of the internal components is something I might try this afternoon. Thanks anyway. |
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Post by Serza on Feb 10, 2017 14:25:14 GMT
'Gack is right, just turn your PC on barebones with hardly anything (go for keyboard only, Windows is a keyboard OS, can be fully controlled by one) and if that doesn't work, it's probably inside.
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Post by Serza on Feb 10, 2017 14:35:57 GMT
Alright. Internals. That is a complication.
I assume that you've already confirmed none of your components look damaged.
If you can gain an alternate means of picture than your extra GPU (they tend to be in processors, and older MoBos will have integrated as well) try uplugging that.
My greatest fear is the harddrive, really, but you'd probably be running a CHKDSK if that were the case.
What complicates stuff in my eyes is the inability to just flat out swap things in test - if you were to have spare parts that work, you could swap out your PSU and confirm. If the problem would persist... yeah, you get the idea.
Does your PSU fan start when you press the button? After a visual check, do a smell check: Can you smell anything burnt?
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Post by PermTrouble on Feb 10, 2017 14:47:44 GMT
Try pulling the plug out of the wall or PSU to clear power to mobo completely (your mobo stores some power even when not turned on, if plugged in)
If it turns on afterwards, then it is more likely a mobo issue instead of power. I mention this because I had a bad gigabyte mobo a few years back that had some common (to the model) boot looping issues.
Edit - Also, if you have any friends who mess with computers, having an extra PSU laying around isn't out of the question. Just may have to pull your GPU out because power constraints, but still a good way to test if a PSU problem.
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Heimdall
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Post by Heimdall on Feb 10, 2017 14:54:26 GMT
Alright. Internals. That is a complication. I assume that you've already confirmed none of your components look damaged. If you can gain an alternate means of picture than your extra GPU (they tend to be in processors, and older MoBos will have integrated as well) try uplugging that. My greatest fear is the harddrive, really, but you'd probably be running a CHKDSK if that were the case. What complicates stuff in my eyes is the inability to just flat out swap things in test - if you were to have spare parts that work, you could swap out your PSU and confirm. If the problem would persist... yeah, you get the idea. Does your PSU fan start when you press the button? After a visual check, do a smell check: Can you smell anything burnt? I haven't noticed any damage, though I could do a more thorough look once I get my GPU out of the way (Not at home now, so I'll have to do that later). The only thing that happens is that I hear a click, which seems to be from my CPU fan starting and then shutting down (given that it is accompanied by a light that turns on and off on that component). I don't smell anything, but my PSU isn't showing any signs of life. |
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Post by Serza on Feb 10, 2017 15:08:10 GMT
Alright. Internals. That is a complication. I assume that you've already confirmed none of your components look damaged. If you can gain an alternate means of picture than your extra GPU (they tend to be in processors, and older MoBos will have integrated as well) try uplugging that. My greatest fear is the harddrive, really, but you'd probably be running a CHKDSK if that were the case. What complicates stuff in my eyes is the inability to just flat out swap things in test - if you were to have spare parts that work, you could swap out your PSU and confirm. If the problem would persist... yeah, you get the idea. Does your PSU fan start when you press the button? After a visual check, do a smell check: Can you smell anything burnt? I haven't noticed any damage, though I could do a more thorough look once I get my GPU out of the way (Not at home now, so I'll have to do that later). The only thing that happens is that I hear a click, which seems to be from my CPU fan starting and then shutting down (given that it is accompanied by a light that turns on and off on that component). I don't smell anything, but my PSU isn't showing any signs of life. Open your PC and press the button where you can clearly see the insides at work, but you presumably already did that. Just... you know, the first thing you always ask trouble shooting PCs is if they turned it off and on, so... going through the motions I actually remember/know of. |
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