Hello! Thank you for you work! I have Alienware M17xR4 CPU 3710 Windows 8.1 radeon hd 7970m(Radeon hd7970m died) and updated graphics card to gtx 870m! (bought in the eBay) fulfilled all the above written and it worked!!
BUT!!! I can not install drivers 337,50 and 337.88 ((( if I do string replacement sign inf* my 870m(PCI\VEN_10DE&DEV_1199&SUBSYS_05801028&REV_A1\4&13F92896&0&0008) then pass on in the installation process but the driver is not installed, the control panel only, but - Once this driver is suitable for installationdraiver v326.29 Windows 8 64bit | NVIDIA Mobile OEM - GeForce r326 series - LaptopVideo2Go Forums
what I take steps to remedy the situation? and why is this happening?
I understand that I will now only work gtx870m, what about Optimus? it does not affect its service life?