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Computer hangs when phone receives text message

B

Bucks

Senior member
I have been experiencing a weird issue ever since I built my computer 6 months ago. If I have my phone on my computer desk (say 2ft away from the tower), every time I receive a text on my Galaxy S5, the computer screen goes black, as if the video card fails but all of the fans are still running. I have to restart the computer by holding the power button. Specs are below. Any thoughts on why this is happening?

JbWDJQA.jpg
 
Could be because a Bluetooth paired device issue although that wouldn't necessarily hang the computer.

I can only speak anecdotally but when I download/upload items from my phone via Bluetooth my PC doesn't hang.
 
Not Bl;uetooth - but ordinary Wi-Fi. If the computer has it "on," turn it off and see if the problem persists.
 
No. The phone is not connected to the computer. It is just when I have it sitting on the desk next to me and I get a text, the issue occurs.
 
Yeah I am utterly clueless. Computer works fine. I game, etc. But if I have my phone on the desk next to me and I get a text, etc, Screen blanks out.
 
Have you tried placing your phone at various distances from your computer and having a text sent to you each time? I'm just trying to rule out the EMI/RFI possibility.
 
You have just confirmed the EMI suspicion. Either the phone or the computer lacks proper EMI shielding. BTW, check in BIOS to see if any auto wake up functions might be enabled. Those can open an EMI pathway.
 
Bucks said:
I would say anywhere outside of 3-4ft of the tower the issue doesn't occur
Click to expand...

Thanks for confirming. At this point you've got a few options (cheapest to expensive):

a) do as corkyg suggested with BIOS auto wake-up options
b) keep your phone at least 4' away from your computer
c) swap out your phone to different model that most likely has better shielding
d) buy some emi shielding tape and apply to the insides of your computer case side covers

http://www.amazon.com/3M-Conductive-.../dp/B0000WRJK2
 
corkyg said:
You have just confirmed the EMI suspicion. Either the phone or the computer lacks proper EMI shielding. BTW, check in BIOS to see if any auto wake up functions might be enabled. Those can open an EMI pathway.
Click to expand...

alzan said:
Thanks for confirming. At this point you've got a few options (cheapest to expensive):

a) do as corkyg suggested with BIOS auto wake-up options
b) keep your phone at least 4' away from your computer
c) swap out your phone to different model that most likely has better shielding
d) buy some emi shielding tape and apply to the insides of your computer case side covers

http://www.amazon.com/3M-Conductive-.../dp/B0000WRJK2
Click to expand...

I would assume it is the computer that is lacking the EMI shielding and not the phone. I have had 2 different models (Moto Droid X and Galaxy S5) and it happened with both of them. I have never had or seen a computer that had this issue. What part is exactly being affected by this issue? Besides the tape, would swapping out for a new case fix it? New motherboard? If the tape is $50, I can probably just swing a new one. My current case Corsair 200R. http://www.newegg.com/Product/Produc...82E16811139018

By the way, I appreciate your guys feedback
 
Last edited:
Bucks said:
I would assume it is the computer that is lacking the EMI shielding and not the phone. I have had 2 different models (Moto Droid X and Galaxy S5) and it happened with both of them. I have never had or seen a computer that had this issue. What part is exactly being affected by this issue? Besides the tape, would swapping out for a new case fix it? New motherboard? If the tape is $50, I can probably just swing a new one. My current case Corsair 200R. http://www.newegg.com/Product/Produc...82E16811139018

By the way, I appreciate your guys feedback
Click to expand...

My guess would be the power supply but I don't have a clue as to how to verify that other than buying and swapping in a new power supply. As far as the shielding tape that's amazons price for a roll; you don't need that much and may be able to get it cheaper at a local electronics supply store (Radio Shack). You could also check at DigiKey.

Before doing that though do as corkyg suggested and see if that stops the behavior; that costs $0.00.
 
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