I bought a new and shiny ATI HD 4870 video card today. Had been using an Nvidia Geforce 8800 GTS for some time and figured that it was time to update.
I began by uninstalling all traces of Nvidia card drivers from the computer system (funny that I'm still stuck with an Nvidia Physx icon in Control Panel after that).
Tip: I suggest you use Display Driver Uninstaller for the operation. It is a free program that removes all traces effectively.
I replaced the Nvidia video card with the Ati Radeon card and my troubles began. Never had a video card before that was using two power connectors. Well, the card was nice enough to tell me that I missed one. I added the second power connector and booted the computer system into the usual low resolution screen.
Put in the CD that was supplied by Sapphire and started the installation only to be greeted with a "Zero Display Service Error" during video driver installation. All additional tools and programs installed fine though.
Back to the low resolution desktop I began a search on the Internet for a solution. I tried firing up a web browser but discovered that my Internet connection was not working. Rebooted the computer once, checked the System Control Panel to find an yellow exclamation mark next to the video card entry.
The properties of the video card were displaying another error message: "Code 12: This device cannot find enough free resources that it can use". I experienced those situations a lot back in the days of Windows 95 when two hardware devices were sharing the same resources.
I concluded that the possibility was high that my network card and video card were sharing the same resources. Radical solution was to remove the network card from the system to see if that was the cause. What can I say, Windows XP booted fine and offered me the usual choice of resolutions. Last step was to put the network card into a different PCI slot.
I read about two dozen forum threats and posts about both error messages and none posted this solution. Hope this helps a few users who are experiencing the same problems (I know many are from the Google searches that I conducted).
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Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.