Output to monitor stops while working

September 26, 2010 at 21:54:23
Specs: Windows XP, Intel DG41KR/ 4 GB DDR3
when i was operating my pc, suddenly the O/P to the monitor stopped and even if i hear to songs, function stops..Then not able to restart or even power off using the buttons-have to switch off the UPS to shut down the system.

When the O/P monitor is stopped, 3 fans & the processor green light keep working. so not sure what could be the problem.

Hence i cleaned the 2 * 2 GB DDR3 Ram and analysed. again the same problem. some time the O/P disconnects in 2 mins after booting up,10-15 mins while operating,30-45 mins. these are the variance of the problem.

I even checked removing video card and connecting to the in-built video slot to see if there is any prob in graphic card. Even after that the same problem persist.

There are 3 fans running in the cpu. one for motherboard, one for graphic card, one by default in the panel.

My system config:

Motherboard: Intel DG41KR
Processor: Intel Core 2 Duo (2.9 GHZ)
Graphic card/Video: Nvidia 9800 GTX DDR3 with 5
SMPS: Default with panel (250 watts)
Monitor: Samsung LCD 18"

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September 27, 2010 at 00:51:50
Your powersupply is not up to the task of running this graphics card.

You need a quality PSU of at least 400w output with 26amps on 12V rail to ensure stability when the graphics card is under load. Otherwise the powersupply overheats and shuts down to prevent burnout.

Goin' Fishin' (Some day)

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September 27, 2010 at 01:41:34
Hi Richard,

Thanks for quick response. Actually i did checked removing the graphic card and connected to the default Video O/P port, but still there is the same problem.

Will there be any kind of motherboard or hard disk problem, please share your experience so that i cld resolve the same

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September 27, 2010 at 02:09:49
You need to replace the powersupply as a first step since it has been overstressed and appears to be faulting under even normal loads. The other most common problem leading to shutdowns is overheating of the CPU. You should be able to check this in BIOS under a System Health heading or similar, but you might also want to download a prog called Speedfan which can show you various temperatures including CPU while windows is running so you can see what happens when you start running other programs.

Goin' Fishin' (Some day)

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September 27, 2010 at 22:41:02
Thats was avery valid info.So As a first step i need to change/Upgrade my SMPS to 500 w and even then the problem persist, then should go for the system health check as you suggested.

One query can i get a another default SMPS and install it along with the old one? or should i get the 500w SMPS straight away to install it? which is a good option to choose?

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September 28, 2010 at 00:30:28
No you cannot run two powersupplies. Make sure you get a good quality PSU with a single +12 rail with say 30amps.

Goin' Fishin' (Some day)

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