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ArchivedThis topic has been archived. Information and links in this thread may no longer be available or relevant. If you have a question create a new topic by clicking here and select the appropriate board.
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no signal on displayafter upgrading to nvidia gt520

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hi everyone, my old Pavillion Elite m9080.me upgraded to windows 7 64bit desktop pc original graphic card have been damged and was replaced by nvidia geforce gt520 gb graphic card. it was ok after it was installed but later on i have recived blank screen. i tried to reboot my pc by pressing the power botton andrun in safe mode to disable the graphic driver in order to use the machine.sometimes windows automatically disabled the hardware with an error code (41) message. Disperately sometimes i enabled the video card driver to get some luck, after it reboots, and opens windows it still be fine for a minute and then it goes blank screen again. I've notice that when it was running i can hear thegraphic card fan running and if it shuts down the grapc crd fan is also not running.by the way my pc was connected to my monitor thru hdmi cable,.

Appreciated  and looking forward with your exprt advise to solve this pc issue. 

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Hello 21deg,

When you are able to get into the computer can you see what driver you are running. It appears the latest driver for the video card you have is the 306.97 whql driver (http://goo.gl/yey7l).

You may also want to uninstall the driver through device manager. Reboot the computer again and allow windows to install a generic driver to see if the screen goes blank again.

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Hi HardBeatz,
I have checked the driver and it appears that it was older from the one you have suggested.(306.23) I am downloading 306.97 now.
I have also uninstalled the old driver and let windows install the generic, and it goes fine without blank screen.
After the download of this new driver ill install it and tell you the result.
Thank you so much for the good advice.

Regards..
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Hello 21deg,

Keep me posted. I presume the generic driver or the updated driver will help resolve the issue, but we should know for certainty in due time.
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Hi HardBeatz,
I have uninstalled the old driver and let the windows installed the generic driver and it seems its ok but with low resolution. I've reboot the system and I've even removed the display card and noticed that 'twas very hot.i let it cool and reinsert the card after that I turn on the machine & installed the updated driver . After it reboot it runs ok with a very good resolution which means the card and the driver was working well,but after maybe 2 minutes my monitor display are out of signal again but the CPU has power. I've waited for sometime and power shutdown the system to restart in safe mode and disabled the display driver that I've installed for me to use only thru generic driver.
Is it maybe possible that the accumulated heat on the card makes the display hardware shut down?

Regards.
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Hello 21deg,

If the video card is getting too hot the system may be shutting it down to keep from damaging itself. Normally the computer turns itself off instead of just the video card, but I presume what you are seeing could still be the same.

Did you happen to notice when the issue happened if the video card was hot?

What you may want to consider is taking the side case off of the computer. Placing a house stand alone fan next to the case blowing directly across the video card at a medium to high speed. With this setup run the computer for a bit and see if the monitor turns itself off.

Assuming the fan is supplying enough air flow (which it should) to keep the card cool then it it shuts off heat is not the problem. If it doesn't shut off then I think we can safely say your video card is not receiving adequate air flow and cooling.
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Hi HardBeatz,
Thanks for the info, but I tried using a fan through it but the same had happened, it takes only longer before the display shut off.

Regards,
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Hello 21deg,

Sounds like the system is getting too hot and shutting down. You should try that video card in another system or another video card in your system to see if the problem continues.
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