The old card has to be disabled in bios or some times you can do it from safe mode by uninstall. For bios settings depending on the PC it self you would have to start the pc and first screen that shows up will tell you how to access bios settings. In the settings there is an option to turn off on board video card. Hope this helps.
You might have to replace mother board and it is probably cheaper to get a new pc on tigerdirect.com. Sorry
In the HP ECS Nettle 2 motherboard common on many Compaqs around 2007 to 2009 using AMD AM2 CPUs and the Sempron, press F10 on first pressing the power switch so it goes into SETUP (the bios), in the BIOS you will find an OPTION "Primary Video Adaptor" by default it is set to PCI at manufacture for the onboard video, change that to PCI-E ( PCI EXPRESS) if you have an external video card in the PCI-Express slot, then save settings in the BIOS, boot the computer and load the video drivers that came with your external video card or windows vista or windows 7 will find and install the drivers for you or if it cant prompt you to insert the driver cd that came with your card.
The Nettle 2 automatically detects and switches over to external video card but sometimes this does not work too well ( YOU CAN GET INTERMITTENT AND RANDOM BLUE SCREENS AND VIDEO ERRORS AS THE ONBOARD VIDEO CONFLICTS WITH THE EXTERNAL VIDEO CARD) and by forcing the onboard video off by changing the primary video adaptor settings in the BIOS to PCI-E, this may overcome the problem - sometimes although rarely nowdays some computer hardware is just incompatable with each other and you cant marry them.
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Hi, Girbi. I saw this post and know that it is somewhat dated. But I have the exact same problem and cannot find a solution. Did you ever figure out how to disable the onboard card? The Pavilion BIOS does not allow complete disabling as far as I can tell. Thanks.
Most motherboards that have built-in video cards can be disable from the BIOS configuration.
Click on this link or copy and paste the complete link into your browser.
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Thanks, Joe
I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_8b8c2cd6ce148309
This is standard for ECS boards even if it's being sold by Compaq. Like I mentioned, for you it is posted unside down.1,141 views
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I cant get into the bios When I turn the computer on the mobo switches back to the onboard video card i beleive and I cant see it. When i boot up the computer it gets to the press f1 f2 f9 f10 f11 etc and I press f10 then it says accessing but goes no further in my experience this is when it most times goes to the onboard video card. which is dead
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