New
#131
"You said that you'd disabled Legacy Options in BIOS. Disabling Legacy Mode or CSM choices should be sufficient to enable UEFI install.
That's why I asked if you have UEFI boot choices for your installer. Did you try the UEFI DVD boot?
You'll always have to choose your boot device when installing, using either the BIOS Boot Priority order choices, or the one-time BIOS boot Menu key at boot."
Not sure if you're referring to my post, but just changing to UEFI and leaving legacy boot options enabled was not enough to get the card to work. The card needs to have the legacy options disabled in order for the handle to be open for Windows to use it. I've switched to UEFI mode and left legacy option roms enabled and after Windows is installed (7 or 8), the card error code 10's. If you then disable legacy option roms, even though the partition is EFI, Window's will then fail to boot. The install has to be done with legacy options disabled from the beginning.
My problem now is that I can't get Windows 7 to install. 8 works fine, but the 7 installer stops doing anything on the Starting Windows splash screen. I've tried three different discs and two different computers. I'm working on this with Dell, not the point of this posting.
The point of this posting is to say that at least on Dell's, you have to switch to UEFI and disable legacy option roms for the 9240 to work. I've seen machines that allow you to switch between UEFI and legacy boot mode that don't have the option to disable legacy booting and those are hit or miss on whether or not the card will work. I've seen it work on an Optiplex GX620, but not on an Optiplex 745 or a 7010.