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Paper Tape
Posts: 3
Registered: ‎08-31-2014
Location: iran
Views: 15,518

Z50-70 doesn't recognize my nvidia 840m graphic card with windows 8.1

Hello everybody


I'v just bought a lenovo z50-70 laptop today and installed windows 8.1 on it


I installed all drivers on it's dvd include intel and nvidia graphics driver.


Unfortunately my windows just recognize intel graphic but when I check nvidia control panel and device manager both graphics card installed completely right. so I can't play any game /and I did everything include:

1- I downloaded latest graphic drivers from my model support lenovo webpage


2- I updated my bios to latest version


3- I downloaded latest driver from intel and nvidia too!


4- I selected discrete in graphic option in bios setting


5- in nvidia control panel I selected high performance nvidia processor and no difference.


there are some pics that show my situation









and as you can see this program can show my 4 gig nvidia graphic.


Pls help. Ty in advanceSmiley Wink

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