error nvidia tidak terdeteksi

(II) LoadModule: "glx"
[    27.874] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[    33.574] (II) Module glx: vendor="NVIDIA Corporation"
[    33.574]    compiled for 4.0.2, module version = 1.0.0
[    33.574]    Module class: X.Org Server Extension
[    33.616] (II) NVIDIA GLX Module  352.41  Fri Aug 21 22:40:16 PDT 2015
[    33.647] Loading extension GLX
[    33.647] (II) LoadModule: "nvidia"
[    33.647] (II) Loading /usr/lib/xorg/modules/drivers/nvidia_drv.so
[    34.099] (II) Module nvidia: vendor="NVIDIA Corporation"
[    34.099]    compiled for 4.0.2, module version = 1.0.0
[    34.099]    Module class: X.Org Video Driver
[    34.139] (II) NVIDIA dlloader X Driver  352.41  Fri Aug 21 22:14:01 PDT 2015
[    34.139] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[    34.172] (++) using VT number 8

[    34.174] (EE) No devices detected.
[    34.174] (==) Matched nvidia as autoconfigured driver 0
[    34.174] (==) Matched nouveau as autoconfigured driver 1
[    34.174] (==) Matched intel as autoconfigured driver 2
[    34.174] (==) Matched modesetting as autoconfigured driver 3
[    34.174] (==) Matched fbdev as autoconfigured driver 4
[    34.174] (==) Matched vesa as autoconfigured driver 5
[    34.174] (==) Assigned the driver to the xf86ConfigLayout
[    34.174] (II) LoadModule: "nvidia"
[    34.174] (II) Loading /usr/lib/xorg/modules/drivers/nvidia_drv.so
[    34.174] (II) Module nvidia: vendor="NVIDIA Corporation"
[    34.174]    compiled for 4.0.2, module version = 1.0.0
[    34.174]    Module class: X.Org Video Driver
[    34.174] (II) UnloadModule: "nvidia"
[    34.174] (II) Unloading nvidia
[    34.174] (II) Failed to load module "nvidia" (already loaded, 32651)