Integrated graphics is fried - how can get a monitor to work with new graphics card?

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nottyn

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May 26, 2014
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My onboard, integrated graphics went out and I tried installing a new graphics card with no luck. I cannot disable the onboard graphics in the bios because of no picture on my monitor. Is there anything that I could do to get my PC to recognize the new PCI graphics card or to get a picture on the monitor?

I have tried 2 different monitors that I know work and also connected both monitors to each VGA port on each card to see if there was a picture on either one. That did not work.

I am only assuming that the onboard graphics is burnt out. My old monitor burnt out and then a second monitor fried too. That is all I have to assume it is the fault of the onboard graphics.

Also, about a year ago, my power supply quit and I replaced the 300 watt PSU with a 650 PSU. Could that be the culprit? Everything did work fine for a year using the 650 watt PSU though.

Any help would be appreciated.
Thanks for reading.

Here are the specs:

Model Name SR5050NX
Manufacturer Compaq-Presario
Running Vista
4 GB DDR Ram
Motherboard:
Chipset Intel i945G/GS/P/PL
Southbridge Intel 82801GH (ICH7DH)
Base Board
Manufacturer ASUSTek Computer INC.
Product LEONITE

BIOS
Phoenix Technologies
Release Date 02/16/2007
BIOS Version String 5.13
ROM Size 512.00 kB

Intel Pentium D CPU 3.00GHz CPU:1
Specification Intel Pentium D CPU 3.00GHz

New Graphics Card: Nvidia Geforce GT 520 1GB DDR3
 
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That's a good point that I shouldn't have assumed. We need to know for sure that everything else is working.
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Zooshooter

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If the monitors themselves are what burnt out, then I can assure you it is not the video. At least not the way you're thinking. No graphics card delivers enough electricity to kill a monitor. If your BIOS is the type that requires you to disable the onboard graphics before using a discreet card like the one you bought, then you may be stuck with an effectively dead system. You could try searching the web for images of your BIOS options trees and try to blindly disable the graphics but chances are it'll just make it worse since you can't actually see what you're doing. Based on the info you've provided about the motherboard, I can't tell which model it is so I can't tell if it'd be worth the time to just buy a replacement board but that might be another option to look in to.
 
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Zooshooter

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Feb 8, 2013
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That's a good point that I shouldn't have assumed. We need to know for sure that everything else is working.
 
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nottyn

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May 26, 2014
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nottyn

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Here is the link for the motherboard:

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00864946&tmp_task=prodinfoCategory&cc=us&dlc=en&lang=en&lc=en&product=3377255#N55

I think you are right about the system being dead.

As far as knowing that the onboard graphics is fried....I don't know. As I wrote in my post, the only evidence is that two monitors were fried while everything else was still functional....at least I know they were still functional after the first monitor burned out.

When I turned on the PC to try the new graphics card, it seemed to boot up normally and all the lights were still working. It also made the same boot-up sounds.

Zooshooter brought up possibly the only thing that might work.... finding out the exact bios GUI and blindly attempt disabling the onboard graphics. That would be an interesting test. It wouldn't matter if it made the system worse because I will junk it then.
 
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