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Monitor goes black: GPU problem?

Last response: in Graphics & Displays
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February 3, 2012 11:03:44 PM

Hi there,

My monitor will go black after some usage. The indicator lighting on the monitor will blink, meaning it's on standby.
It's not a fixed period of time but recently it seems to be turning black after 2 hours of usage.
If I'm playing music or a movie, the audio track will continue for a while before it becomes like a scratched CD, repeating that one single syllabus.
The monitor light will start flashing meaning it went on standby.

Further attempts to restart will show the windows screen running but it is very unlikely to reach the start screen before it repeats the same "black out" problem.

But after leaving the PC overnight, it will allow me to use it for about 2 hours again before it blacks out on me.
If I play games like Portal 2, it will black out in a matter of minutes.

I recently changed the PSU to a Seasonic S12 620W from a CM 500W. For a while it seemed like the problem went away, then it came back again.

I don't smell anything burning.

Is it the graphics card? I'm using a Gigabtye 9500GT 1GB DDR2

Any advise?

My computer specs are:

Processor : Intel Core 2 Duo E8500 @ 3166MHz
Mainboard : Gigabyte EP43-DS3L
Chipset : Intel P45/P43
Physical Memory : 2048MB (1 x 2048 DDR2-SDRAM )
Video Card : NVIDIA GeForce 9500 GT
Hard Disk : Seagate ST3160021A (160GB)
Power Supply : Seasonic S12II Bronze 620W
Operating System : Microsoft Windows XP Professional 5.01.2600 Service Pack 3 (32-bit)
a c 90 U Graphics card
a b C Monitor
February 3, 2012 11:12:30 PM

would check video card try another if you can
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February 4, 2012 7:16:03 AM

Unfortunately, I do not have another.
So it's likely the graphics card and not the mother board?
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February 4, 2012 7:22:41 AM

Have you monitored the temperatures after prolonged usage?
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a c 175 U Graphics card
a b C Monitor
February 4, 2012 8:02:33 AM

No overheating? Or have you an integrated graphics? You might try to use it and see what happens?
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February 4, 2012 10:22:28 AM

This motherboard does not come with integrated graphics...

Not sure about overheating, nor have I monitored the temperature over prolonged use.
What sort of software can I use to monitor the overheating?
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February 5, 2012 12:09:30 AM

I downloaded and installed the beta version.
Noticed that the temperature was 52 deg and went up to 60 deg within some 25 mins with just general browsing. No movies or games played.
The temperature then stayed about about 59 deg.

After about an hour's usage it stayed at about 60 deg, with the highest peaking at 62 deg.

Is this normal?
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a c 175 U Graphics card
a b C Monitor
February 5, 2012 9:25:48 AM

Have you used stability tools such as MSI kombustor or furmark? It will max out the load to your card and you will eventually see your maximum temperature. Also do you monitor every temperatures? I suggest you to do so, with HWMonitor.
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February 6, 2012 10:35:56 AM

I've just tested with furmark.
The temp went from 60 to 82 deg cel for 1 min.

I could hear the fan spinning real hard when I normally don't.
The system seems to be working fine and it cooled back down to about 62 deg cel within a few mins.

Max GPU Temp: 82°C
Resolution: 1024x768 (W) - AA:0 samples
FPS: min:4, max:6, avg:4 - OPTIONS: DynBkg
Renderer: NVIDIA GeForce 9500 GT (10DE-0640)
Drivers: Forceware 6.14.11.7519 ()
Clocks: core:0MHz, mem:0MHz, shader:0MHz
CPU: Intel(R) Core(TM)2 Duo CPU E8500 @ 3.16GHz

HWM shows system with min of 44 deg and max of 47 deg
CPU had range from 41 deg to 59 deg during the test.

The GPU registered 60 deg min and 82 deg max on HWM.

Am I testing it correctly?
Are the stats above fine or is there some set of conditions which I should set?

Any idea what's wrong with my computer?
Recently it seems to be able to outlast the 2hr mark, but at some later point seems to just black out on me
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a c 90 U Graphics card
a b C Monitor
February 6, 2012 4:49:20 PM

did you have the latest driver for the 9500 gt,and temp for it start to high when diid you dust it also check if fan running correctly could be time for a new one
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February 6, 2012 6:19:42 PM

could it be the monitor?
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February 7, 2012 11:10:42 AM

It's definitely not the monitor.
Monitor works fine.

I took out the card two months ago, used an eraser to rub the gol connectors, dusted the fan and then used it.

But the problems seemed to resurface.

Though my computer lasts longer than 2 hours.

After about 1.5 hours, temperatures went from 53 to 64, and stayed at the average of 61 deg.
Still holding on though.

With the temps going to 82 deg in the previous test, does that mean that it's not the matter of graphics card overheating?
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a c 90 U Graphics card
a b C Monitor
February 7, 2012 10:59:59 PM

well something had made her overheat before check in the gpu slot if there is no foreing parts and dust it also see if the fan is spinning correctrly and nothing stop it or reduce is speed
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February 9, 2012 11:31:27 AM

Checked the slot again.
Nothing unusual.
Dusted the fans too.

Are temperatures of 61 deg normal on idle?
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a c 175 U Graphics card
a b C Monitor
February 9, 2012 12:35:10 PM

Well kinda abnormal. How long do you test furmark on? Do at least ~10 minutes and see what happens mate. But I think the graphic is kind of faulty. So you maybe had to replace it.
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February 9, 2012 1:05:06 PM

Just did a test,

Resolution: 1024x768 (FS) - AA:0 samples
10 mins

According to MSI afterburner, temperatures went to a high of 95 deg but fan speed stayed at 85% until when the test ended. When the test ended, it shot up to 100% and then started to reduce the soeed.

5 mins later, I'm back wiith 64 deg and 50% fan speed.

Really puzzling...
But most likely the card?
Or should I try furmark using another setting?
What settings would be better?
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Best solution

a c 175 U Graphics card
a b C Monitor
February 9, 2012 1:19:46 PM

Well 95 Celcius is kind of high, maybe it's broken. You maybe need to replace the card....
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February 9, 2012 1:51:54 PM

I see, so it is inevitable.

Ok in that case, from where I come from the cards cost:

SAPPHIRE HD 6770 1GB 115 USD
POWERCOLOR HD6770 1GB DDR5 117 USD
Palit GTX 550 TI 1GB GDDR5 129 USD

Which would be the best choice?
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a c 175 U Graphics card
a b C Monitor
February 9, 2012 3:55:44 PM

SAPPHIRE HD 6770 1GB 115 USD

Cheapest, performance wise all should be identical.
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February 11, 2012 1:00:02 AM

Got it, thanks for all the assitance rendered!
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February 11, 2012 1:10:13 AM

Best answer selected by kamehameha.
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a c 272 U Graphics card
a b C Monitor
February 11, 2012 8:05:10 AM

This topic has been closed by Mousemonkey
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