hello Miho,
perhaps you need an updated driver package from one of our experimental/non-free sections.
In general siduction is a good place for users of proprietary drivers.
# LC_MESSAGES=C apt-cache policy nvidia-driver
nvidia-driver:
Installed: 346.47-0.siduction.3
Candidate: 346.47-0.siduction.3
Version table:
346.47-1.siduction.1 0
1 http://packages.siduction.org/extra/ experimental/non-free amd64 Packages
*** 346.47-0.siduction.3 0
500 http://packages.siduction.org/user/ experimental/non-free amd64 Packages
100 /var/lib/dpkg/status
343.36-1 0
1 http://http.debian.net/debian/ experimental/non-free amd64 Packages
340.76-0.siduction.1 0
500 http://ftp.spline.de/pub/siduction/fixes/ unstable/non-free amd64 Packages
340.65-2 0
500 http://http.debian.net/debian/ unstable/non-free amd64 Packages
Those repos are not listed on
http://packages.siduction.org/, because they are unofficial.
(
*** means, that i use it anyway.)
greetings
musca