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Upgrading to Win 10 - after upgrading incompatible graphics card
I've managed to upgrade some of my home PC's from Win 7 or Win 8 to Wn 10 without any significant problems, but I am having major difficulty upgrading one of my PC's.
It is running Win 7 Home 32-bit and when I originally ran the Windows 10 upgrade advisor, it indicated that I could not upgrade as my NVidia GEForce 6600 graphics card was incompatible with Windows 10.
I tried various workarounds, using suggestions on this and other sites, to upgrade with the GEForce card but none were successful. So I purchased and installed a new graphics card - an AMD Radeon R7 240, which should be Win 10 compatible.
I then re-ran the Win 10 upgrade advisor - it still said that I couldn't upgrade as the "GeForce 6600 card" was incompatible - even though it was no longer installed!
I checked the Device Manager and the graphics card was clearly showing as being the AMD card. I then explicitly uninstalled any NVidia drivers/software using the Control Panel/Program uninstall - still unable to upgrade to Win 10. I also ran the Wagnard tools "Display driver uninstaller" and removed any NVidia software/drivers - still unable to upgrade. I am using the latest drivers from the AMD website.
I also tried to upgrade using the Media Creation tool and a Win 7 image from DVD (previously this also failed to work and gave the incompatible graphics card error); this seemed to work up to a point, but after a reboot it wanted me to select a keyboard layout but neither my usb keyboard nor mouse would function and the installation froze. On rebooting the OS reverted to Win 7 (and the keyboard/mouse worked ok).
I want to upgarde to Win 10 rather than do a fresh install, but am now unsure what to do - I keep getting the "Incompatible GEForce graphics card" message anytime I run the Win 10 advisor tool (even after downloading it again from the MS website).
Any suggestions as to how I can resolve this issue and finally upgrade?