Hi

I just did a clean OS install, this was what I had to do:

Motherboard DFI LP DK 790FXB-M2RSH (0820a)
Graphics 2 x ASUS 9800GT
OS Windows 7 Ultimate x64

1 - Install Win7 x64.
2 - Install System and 190.62 Win7 x64 (WHQL) drivers.
3 - Disable UAC.
4 - Restart.
5 - Run SLI string installer as Admin select ASUS certificate.


Quote:
Originally Posted by anatolymik
http://depositfiles.com/files/7tbseaesa

sli string installer

some bug fix

6 - Run LHALMod as Admin


Quote:
Originally Posted by anatolymik
http://depositfiles.com/files/c99sx9y17
try to install this HAL mod:

unpack and run install.cmd from windows explorer

7 - Copy moded nvlddmkm.sys (rev2) Win7 x64 to C:\windows\system32\drivers\


Quote:
Originally Posted by TiN
Sorry people, founded driver
Just forgot to copy it from download page to work dir , so thought that I haven't.

http://www.xdevs.com/sli/nvlddmkm-64bit_rev_2.rar

It's patched driver Windows 7/Vista 64bit for Forceware 190.62

You need to have ASUS valid SLIC in DSDT.

....

8 - Sign the nvlddmkm.sys with:


Quote:
Originally Posted by sveetsnelda
...

Run the Driver Signature Enforcement Overrider
(http://www.ngohq.com/home.php?page=dseo)

Select "Sign a System File"
type in C:\windows\system32\drivers\nvlddmkm.sys

Reboot, and enable SLI.



(Make sure you are using an ASUS SLIC)