![]() ![]() How this would be possible if a significant HW dies? Simply do not understand and out of ideas how to prove it. System can switch to it, gfxCardStatus works fine (no errors shown), the Apple HW test (even the extended one) shows "no problems found", LuxMark allows to select nVidia card for testing, etc. Normally I would say the nVidia card just died, but nothing is showing this. But I think it did not update GPU drivers and I am unable to find pure GPU drivers on nVidia site just to test it. Today I reinstalled these CUDA drivers again and again updated them to the latest version with still the same result. After further continued testing it appears that most users suffering from the OS X BSOD ‘Superbug’ can only use the ‘Integrated only’ option once after which, upon restart of the machine, selecting the ‘Integrated only’ option again, results in a unusable garbled display. It suddenly stopped over night and I am not aware that I installed anything (not even any appliacation) during that time between the last time I know for sure it worked (Monday evening) and the time I discover it does not work (Tuesday evening). So it worked with these drivers for almost 2 weeks without problems. I installed CUDA drivers about 2 weeks back. Any way how to distinguish this rather than to rely on gfxCardStatus? Any log that would make this clear? Any test I can run (Apple HW test shows "no problem detected")? Is there a way to see if the nVidia card is working? I suspect that even if the system is trying to switch to a discreet card it still runs on the Intel in reality. Only in heavy load it is obvious that it is slow (slower than it was). gfxCardStatus shows that the system switches the card and I notice no change. flickering or black screen when swithech do nVidia - nothing. But otherwise there is no visible flaw, e.g. But I tried to uninstall it and got the same result. Only one thing comes to my mind - Apple Java update. I do not remember installing something that day/night that could have broken it (in case it is a SW problem). I took another test and downloaded CINEBENCH to see the differences and sadly the results are the same if I switch to nVidia or to Intel and run the benchmark. But the performance is the same as running it on an internal Intel. I installed gfxCardStatus to see whether the card is being switched to run the game and it actually is. It took me several hours to find where the problem is and it seems to me that the nVidia dicrete card is not working. It ran fine till yeasterday when I fired up a game which was laggy and it was running fine before.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |