Forum Thread

Monitor and USB Ports not Working on Bootup

Thannatos 571 122 October 8, 2011 at 10:51 PM
I was on my PC earlier today, but my surge suppressor went died all of a sudden. I checked the outlet and it was dead. Then after 10 minutes the outlet was working again, but my PC was having some problems.

When I boot my monitor up, it sounds just fine. The fans turn on and there are no beeps. The monitor and the USB ports have no signal however.

Things I've done that don't work: Mad
  • Reboot the PC
  • Swap memory sticks to different slots
  • Blow out some dust inside the case
  • Check for loose connections - there were none

Any other ideas?
Confused

Thanks in advance and will rep for help. Smilie

Edit:
Just plugged my surge suppressor into a different outlet and there's one light that shows "Protection Working" (green) and another light that shows there's a "Building Wiring Fault" (red).

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#2
Quote from Thannatos View Post :
I was on my PC earlier today, but my surge suppressor went died all of a sudden. I checked the outlet and it was dead. Then after 10 minutes the outlet was working again, but my PC was having some problems.

When I boot my monitor up, it sounds just fine. The fans turn on and there are no beeps. The monitor and the USB ports have no signal however.

Things I've done that don't work: Mad
  • Reboot the PC
  • Swap memory sticks to different slots
  • Blow out some dust inside the case
  • Check for loose connections - there were none

Any other ideas?
Confused

Thanks in advance and will rep for help. Smilie

Edit:
Just plugged my surge suppressor into a different outlet and there's one light that shows "Protection Working" (green) and another light that shows there's a "Building Wiring Fault" (red).
  1. Do you have another monitor to test on this PC?
  2. Have you tried a completely different surge suppressor?
  3. Have you tried going directly into a wall outlet for both PC and monitor?
Building Wiring Fault light usually indicates bad wiring at the power outlet. There is a hard fault it is detecting from whatever power that is coming through that outlet. You may need to consult an electrician. That will be what your user guide says for your surge suppressor and I encounter this on several occasions at my job.
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#3
Quote from menace33 View Post :
  1. Do you have another monitor to test on this PC?
  2. Have you tried a completely different surge suppressor?
  3. Have you tried going directly into a wall outlet for both PC and monitor?
Building Wiring Fault light usually indicates bad wiring at the power outlet. There is a hard fault it is detecting from whatever power that is coming through that outlet. You may need to consult an electrician. That will be what your user guide says for your surge suppressor and I encounter this on several occasions at my job.
No.
I tried it on another APC suppressor, and I still get nothing.
Yes, and I still get nothing.

About a month ago my TV downstairs went out. My TV fuse blew, so I'm thinking the new rental house may have some wiring problems.

Thx for helpin me out!
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So if we lie to the government, it's a felony. But if the government lies to us, it's just politics.

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#4
Quote from Thannatos View Post :
No.
I tried it on another APC suppressor, and I still get nothing.
Yes, and I still get nothing.

About a month ago my TV downstairs went out. My TV fuse blew, so I'm thinking the new rental house may have some wiring problems.

Thx for helpin me out!
Ya I would agree sounds like you have electricity supply issues.
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#5
Quote from LiquidRetro View Post :
Ya I would agree sounds like you have electricity supply issues.
Ok. So what should I do?

And thx for responding!
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#6
Quote from Thannatos View Post :
Ok. So what should I do?

And thx for responding!
If it's a rental house then notify the landlord. That should not be your responsibility to fix, electrical wiring.
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#7
Quote from menace33 View Post :
If it's a rental house then notify the landlord. That should not be your responsibility to fix, electrical wiring.
Yeah, that's what I did. I was curious if LiquidRetro thought my PSU was the problem. I've had it for 3 years, so it may be the problem. I also recently purchased a Evga GeForce GTX 460 SuperClocked card, but I'm pretty sure my 700 W PSU should be able to handle that addition.

My PSU: http://www.newegg.com/Product/Pro...6817341002

I guess I'm trying to figure out what I need to do if the problem isn't an electrical issue with the house. Is there a way to troubleshoot the board?
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#8
Quote from Thannatos View Post :
Yeah, that's what I did. I was curious if LiquidRetro thought my PSU was the problem. I've had it for 3 years, so it may be the problem. I also recently purchased a Evga GeForce GTX 460 SuperClocked card, but I'm pretty sure my 700 W PSU should be able to handle that addition.

My PSU: http://www.newegg.com/Product/Pro...6817341002

I guess I'm trying to figure out what I need to do if the problem isn't an electrical issue with the house. Is there a way to troubleshoot the board?
From what you said it sounds like its toast. Your renters insurance should cover it I would think.
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#9
I vote the motherboard went bad. A simple power surge can cause real damage to your motherboard. The good news is that most compatible mobos are less the $100.
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#10
Quote from RAGEo2 View Post :
I vote the motherboard went bad. A simple power surge can cause real damage to your motherboard.
Even if the surge suppressor is there and is still working fine? Weird.

I just tested the PSU and I was getting voltages using a multimeter. I think it may be a motherboard unfortunately. Is the CPU or any other component likely to be fried as well?

This is so depressing. Thank you all for taking time to help me out!
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Last edited by Thannatos October 10, 2011 at 09:00 PM
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#11
Quote from RAGEo2 View Post :
The good news is that most compatible mobos are less the $100.
Something like this...?

MSI G41M-P26 - http://www.newegg.com/Product/Pro...6813130556

Old mobo...
GIGABYTE GA-P35-DS3R - http://www.newegg.com/Product/Pro...6813128050

I just saw a used GA-P35-DS3R on eBay for bid. I might try for that one if I can get it for really cheap.
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Last edited by Thannatos October 10, 2011 at 08:59 PM
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#12
Quote from Thannatos View Post :
Even if the surge suppressor is there and is still working fine? Weird.

I just tested the PSU and I was getting voltages using a multimeter. I think it may be a motherboard unfortunately. Is the CPU or any other component likely to be fried as well?

This is so depressing. Thank you all for taking time to help me out!
It could very well be. Since there are no circuit breakers to close the circuit then anything connected on the motherboard could have gotten a nice sampling of the power surge.

And yes, a surge suppressor can stop only so much of a power spike and then it only has a limited number of times it can stop a power spike successfully before that last power spike destroys it and the surge makes it past that barrier. I'd still test the CPU before giving up on it.
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#13
yup, sounds like the PSU has failed from a surge.
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#14
I would definitely hold off on buying another mobo, before you can do more troubleshooting.

This could easily be a PSU issue, even if you are getting OK voltages at low draw with a multimeter, it may be unstable enough to cause issues with startup.

In addition, the CPU could also be damaged (even though its less likely, especially with an Intel processor).

If you can, I would try detaching all other components until you just have the CPU, ram, and a video card in it. I'm sure you've tried clearing the CMOS too, right? If that doesn't work, test with a different PSU, then a different cpu (if you have one available).

Worst case scenario the PSU, mobo, and cpu are bad, but its more likely its just the PSU and mobo. If it was a bad surge, its very possible that both your PSU and mobo are bad, but it could just be one of them.
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