10-16-2014 01:58 AM
Hi to evreyone!
So recently I bought a brand new Lenovo Z710 (i7-4700mq, intel hd 4600 and nvidia gt745m). I then installed windows 8.1 (genuine) and all the drivers on the cd that came with the machine. But it seems there is a big problem with the graphics card. Nvidia gt745 seems like its not there. The Geforce Experience and nvidia control panel fail to recognize it, although it's there on Windows Driver Manager.
When I try to load a game (WOW) it crashes on the loading screen. "Display driver has stopped responding..." bubble appears and a minute or so afterwards, there is a bsod. The game works on the integrated card (intel hd 4600) when nvidia is disabled or its driver is uninstalled.
I tried reinstalling the drivers, downloading and installing the recent ones, removing all graphic drivers and reintalling them in different order, tried safe mode, changed some bios settings, but still nothing happened.
Could this be any kind of driver compatibility issue or simply a windows thing, or is it a hardware problem? Could the nvidia be faulty or the laptop itself?
I want to try anything before turning it back to where I bought it for a look... So your ideas will be vastly appreciated. Thanks!
10-16-2014 03:06 AM
10-25-2014 11:02 AM
I had the same problem with the same laptop.I've been working on that problem 3 days.Semms I have solved it.Try to change graphic details in WoW to Fair.I've done that and I can play now.It seems that after new patch something is wrong with our GPU.Let me know if you find other solution
10-25-2014 12:29 PM
Hi! Thanks for the reply!
I've managed to solve it, after playing with the drivers for around 2-3 days. There was some kind of incompatibility between the integrated gpu driver (intel hd) and nvidia. I gave up to this thread, because there was no movement.
What I did and worked is the following procedure: I completely wiped out every gpu driver, then installed the newest nvidia driver (careful, only the driver, and via Windows driver manager, not the nvidia's .exe installer). After that, I installed the intel hd driver (this time the full .exe installer) and then, I used the nvidia installer to install all its other components (you cannot use the nvidia's .exe installer without the integrated driver already installed). I hope these make sense, but that's how I fixed it.
Anyway, I don't know what kind your problem is exactly (Is your laptop new? Have you upgraded or changed any driver recently? Can you play any other games?) but mine had nothing to do with WoW. Whatever settings I used, the result was always a crash. Now everything is ok and the game runs smoothly.
It felt like Windows knew that there was a dedicated gpu, but couldn't access it.
10-26-2014 01:03 AM
My laptop is 4 months old so its almost new ..I hadt exatly the same problems as You.On loading screen I had a freeze and BsoD after a while.Strange thing is that blizzard launcher showed me that my intel driver is out of date( i had the newest one).I will try your soulution later on.Can you tell me which drivers U used??Thanks
10-26-2014 02:07 AM
These were the drivers I used, for windows 8.1 x64.
Intel hd 4600
nvidia 645m (344.11).
You can also try the newest version from nvidia (344.48). The upgrade didn't mess up my system.
Best of luck!
10-26-2014 11:04 AM
Unfortunatelly today I saw BsoD once again.I think something is wrong with the GPu so I think I will have to send it to Lenovo.I hope you wont have to do the same thing becouse as far as I hear Lenovo got sloooooooow sevice soI will have to wait for my laptop for a while( Wow Expansion need to wait )
08-04-2015 02:28 PM