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Re: [LUG] UEFI bios and Gforce 460 dueling

 

On 04/08/12 20:14, Kevin Lucas wrote:
ATI crossfirex socket 1155 Intel Dual bios

You still haven't said *which* board you have, this is just the *type* of board you have. It's important as individual models sometimes have certain glitches or tweaks to work around.

DVds are fine when you realize the Bios layout.

Fair enough - they certainly still work, but they're slow and can be prone to errors. You really should be using USB media, you would have saved yourself a lot of time judging by the amount of installs you've got through on this machine.

All failed to fallback mode on the graphics All systems (linux) on install can see the ntfs but dont see the Win boot loader ( its on a 3rd partition) so all fail to set up grub correctly I ve tried Ubuntu Mint Debain Suse Mageia in 32 and 64 bit all fail on the graphics Fedora is stable with nouveau on the internal card only. try the 460 and you just get no display.

You certainly don't want to use 32bit installers on a system with 8Gb of RAM. I also really don't understand what kind of messed up partitioning layout you have either: the MBR that Grub will be overwriting resides on the first 512 bytes of your disk, followed by a 100Mb default NTFS partition reserved by windows and actually containing the system files required to boot windows, followed by another NTFS partition of whatever size you specify during install that actually contains the windows OS. Whatever you're doing that is different to this, stop it, because it's causing you problems. Are you using a MS-DOS or GUID style partition table? How is the Win boot loader on a 3rd partition and what is it doing there?

Ill start again it's a 1 tera disk so ill reforamt and let Win do its thing with a 100 gig partition then we'll see what grub makes of the disk partitioning with Dual Bios. NB I used EasyBCD and it could see no boot sectors at all! from within windoze.

Some Nvidia cards are a real pain in the ass unfortunately: you may need to do the following. Blacklist all of these by editing /etc/modprobe.d/blacklist.conf and adding:
blacklist vga16fb
blacklist nouveau
blacklist rivafb
blacklist nvidiafb
blacklist rivatv
Download the binary driver from Nvidia's site and store it somewhere sensible. Nuke all current Nvidia stuff from the machine using yum/apt or whatever's appropriate on your system. Install the headers/kernel source for your running kernel (this is critical). Reboot into recovery mode and after becoming root, issue:
mount -o rw,remount /
sh /path/to/NVIDIA-Linux-x86_64-your-version-here.run

Reboot, profit. You may need to run nvidia-xconfig as well to generate an initial Xorg.conf but this is rarely necessary on a modern system.

Again, let us know how you get on.

Regards,

Mat
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