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Black Screen after A bit of Gaming

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  • Gaming
  • Computers
  • Graphics Cards
  • Graphics
Last response: in Graphics & Displays
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December 2, 2013 3:28:18 PM

Hi, I've been having this problem for a little while now where after an hour or so of gaming, more specifically Dota 2 on full screen 1080p, my computer's fans will run high for a second, go back to normal and my screen will go black saying "No Signal". To get it back to normal I have to force shut down and restart my computer. More recently, It has been doing it more frequently and has become an issue. I have suspected it to be overheating but I've monitored the CPU temp which never goes above 40, and haven't gotten a temp on my video card but to the touch its always been cool never hot even right after a black screen. I have no idea what the problem could be.
My Specs:
Processor: Pentium(R) Dual Core CPU E5800
Video Card: AMD Radeon 7xxx series GHOST Edition
RAM: 4 GB
PSU: I have two separate PSUs; one for the card alone (which was added after I originally got the computer) and the separate one that came default with the computer which still powers all its original components. The one powering the video card is a Thermaltake, 850 watts.

More about : black screen bit gaming

a b 4 Gaming
a b U Graphics card
December 2, 2013 3:31:47 PM

what video card are you running. an 850w psu should be enough for your pc, there is no reason for a second psu. eliminate it.
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a b 4 Gaming
a b U Graphics card
December 2, 2013 3:39:04 PM

Install MSI Afterburner & monitor your gpu temps. With Afterburner, you can change the fan profile and get thefans spinning faster/sooner.
-Bruce
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a b 4 Gaming
a b U Graphics card
December 2, 2013 3:39:05 PM

Double post.
-Bruce
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a b 4 Gaming
a b U Graphics card
December 2, 2013 3:40:32 PM

daswilhelm said:
what video card are you running. an 850w psu should be enough for your pc, there is no reason for a second psu. eliminate it.


actually leave the thermaltake and remove the other one. sounds like a oem system. it probably overheats. either the cpu or gpu
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December 2, 2013 3:42:43 PM

daswilhelm said:
what video card are you running. an 850w psu should be enough for your pc, there is no reason for a second psu. eliminate it.


plan to update soon anyways so never planned to remove the other PSU. I mentioned the video card above unless you're asking for more specifics.
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a b 4 Gaming
a b U Graphics card
December 2, 2013 3:44:21 PM

laviniuc said:
daswilhelm said:
what video card are you running. an 850w psu should be enough for your pc, there is no reason for a second psu. eliminate it.


actually leave the thermaltake and remove the other one. sounds like a oem system. it probably overheats. either the cpu or gpu


thats what i meant, should have said remove the original one.
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a b 4 Gaming
a b U Graphics card
December 2, 2013 3:45:21 PM

pointgiven said:
daswilhelm said:
what video card are you running. an 850w psu should be enough for your pc, there is no reason for a second psu. eliminate it.


plan to update soon anyways so never planned to remove the other PSU. I mentioned the video card above unless you're asking for more specifics.


7xxx doesnt tell me much. what video card are you running?
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December 2, 2013 3:56:59 PM

daswilhelm said:
pointgiven said:
daswilhelm said:
what video card are you running. an 850w psu should be enough for your pc, there is no reason for a second psu. eliminate it.


plan to update soon anyways so never planned to remove the other PSU. I mentioned the video card above unless you're asking for more specifics.


7xxx doesnt tell me much. what video card are you running?


Lets see... R7700. Yep that's it
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a b 4 Gaming
a b U Graphics card
December 2, 2013 3:58:01 PM

the 7700 (series) doesnt require much power at all. why are you using two power supply's? if its a 7770, you can get away with a 300w psu. if its a 7750, even less.
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December 2, 2013 4:01:29 PM

Never intended to remove the original that's all. Planned on Stripping it all out and starting from scratch anyways. Getting new components and what not for christmas to build my own using the existing PSU and video card. Please note that I've had this setup for a while now and it ran fine first two or three months.. And only got black screens very scarcely afterwards. Just now started getting bad after a long weekend of not being here... If it will help the problem at hand then I'd have no problem with removing the original PSU and hooking everything up to the Thermaltake
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a b 4 Gaming
a b U Graphics card
December 2, 2013 4:02:45 PM

thats the first troubleshooting step i would take. while you are in there clean out any dust.
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December 2, 2013 4:03:56 PM

Alright I'll go for it now. Be back on here in a bit..
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a b 4 Gaming
a b U Graphics card
December 2, 2013 4:04:51 PM

good luck.
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December 2, 2013 4:37:35 PM

It seems my Thermaltake did not come with an ATX chord that attaches to the motherboard.. Not aware of what that is or if it will be a problem. Any idea?
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a b 4 Gaming
a b U Graphics card
December 2, 2013 4:38:39 PM

whats the model number of your power supply?
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December 2, 2013 4:47:41 PM

I believe it to be R33567, But there are a lot of other numbers and asian characters. Try that one.
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a b 4 Gaming
a b U Graphics card
December 2, 2013 4:49:29 PM

nope wrong number. i dont know why you would be using two power supply's, let alone one psu that isnt atx. remove it and use your original psu.
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December 2, 2013 4:54:50 PM

Well does the thermaltake support atx? Will it cause problems in the future?
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a b 4 Gaming
a b U Graphics card
December 2, 2013 4:56:45 PM

does it? i wouldnt know, you havent told me what kind of power supply it is. there must be a model number on the psu sticker.
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December 2, 2013 5:04:36 PM

I was giving you the model number for the original. The model number for the Tt is SP-850AH3CCB. My apologies if that is what you meant.
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a b 4 Gaming
a b U Graphics card
December 2, 2013 5:06:19 PM

that thermaltake most certainly has an atx connector.
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December 2, 2013 5:10:02 PM

I will check again. Just moved recently so could have lost it in the mess.

Q: 4 pin connector into the motherboard?
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a b 4 Gaming
a b U Graphics card
December 2, 2013 5:11:46 PM

that psu is semi modular, the atx connector should be one of the wires coming right out of the unit, it shouldnt be removable.
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December 2, 2013 5:16:27 PM

Yes there is a 24 pin connector straight from the psu to the motherboard but coming from the old psu was a small 12 V 4 pin connector. It's labeled ATX on the motherboard. Btw thanks for sticking with me this far. Dont mean to be a bother :) 
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Best solution

a b 4 Gaming
a b U Graphics card
December 2, 2013 5:19:38 PM

yes the thermaltake should have a 4pin 12v for cpu as well.
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December 2, 2013 5:27:46 PM

There is a chord coming straight from Tt labeled cpu but its an 8 pin and beyond that there isnt a single 4 pin in this mess of chords.
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a b 4 Gaming
a b U Graphics card
December 2, 2013 5:32:30 PM

yea the 8pin connector should be 2-4pin connectors. they should separate.
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December 2, 2013 5:38:40 PM

I will now go sit in a corner and cut myself for missing such obvious things.
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a b 4 Gaming
a b U Graphics card
December 2, 2013 5:39:27 PM

lol its all good.
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December 2, 2013 5:51:06 PM

It has asked me to set boot device.. Im in the BIOS but Im not sure what Im doing here...
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December 2, 2013 6:07:46 PM

Nevermind.
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!