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I did a clean install of Ubuntu 12.04.4 64 bit. External display is working through HDMI which is wired to Optimus nVidia graphic card. But the rendering is not good enough. There is a delay. I am getting trails while moving the cursor around or windows or anything.

Currently nouvea driver is in use for nVidia. What should I do to get this working properly? Install nVidia proprietary driver or bumblebee or both? Or something else?

:~$ lshw -c video
WARNING: you should run this program as super-user.
 *-display               
   description: VGA compatible controller
   product: GF108M [GeForce GT 525M]
   vendor: NVIDIA Corporation
   physical id: 0
   bus info: pci@0000:01:00.0
   version: a1
   width: 64 bits
   clock: 33MHz
   capabilities: vga_controller bus_master cap_list rom
   configuration: driver=nouveau latency=0
   resources: irq:16 memory:f5000000-f5ffffff memory:e0000000-efffffff memory:f0000000-f1ffffff ioport:e000(size=128) memory:f6000000-f607ffff
*-display
   description: VGA compatible controller
   product: 2nd Generation Core Processor Family Integrated Graphics Controller
   vendor: Intel Corporation
   physical id: 2
   bus info: pci@0000:00:02.0
   version: 09
   width: 64 bits
   clock: 33MHz
   capabilities: vga_controller bus_master cap_list rom
   configuration: driver=i915 latency=0
   resources: irq:57 memory:f6400000-f67fffff memory:d0000000-dfffffff ioport:f000(size=64)
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.



:~$ xrandr -q
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 32767 x 32767
LVDS1 connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
1366x768       60.0*+
1360x768       59.8     60.0  
1024x768       60.0  
800x600        60.3     56.2  
640x480        59.9  
VGA1 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
VGA-2 connected (normal left inverted right x axis y axis)
1024x768       60.0  
800x600        60.3     56.2  
848x480        60.0  
640x480        59.9  
HDMI-1 connected (normal left inverted right x axis y axis)
1920x1080      60.0 +   50.0     59.9  
1920x1080i     60.1     50.0     60.0  
1680x1050      59.9  
1280x1024      60.0  
1280x960       60.0  
1152x864       60.0  
1280x720       60.0     50.0     59.9  
1024x768       60.0  
800x600        60.3  
720x576        50.0  
720x480        60.0     59.9  
640x480        60.0     59.9  
1024x768 (0x44)   65.0MHz
    h: width  1024 start 1048 end 1184 total 1344 skew    0 clock   48.4KHz
    v: height  768 start  771 end  777 total  806           clock   60.0Hz
800x600 (0x45)   40.0MHz
    h: width   800 start  840 end  968 total 1056 skew    0 clock   37.9KHz
    v: height  600 start  601 end  605 total  628           clock   60.3Hz
800x600 (0x46)   36.0MHz
    h: width   800 start  824 end  896 total 1024 skew    0 clock   35.2KHz
    v: height  600 start  601 end  603 total  625           clock   56.2Hz
640x480 (0x5a)   25.2MHz
    h: width   640 start  656 end  752 total  800 skew    0 clock   31.5KHz
    v: height  480 start  490 end  492 total  525           clock   59.9Hz
share|improve this question
    
Linux can't be my main OS just because of this issue. Of course if I knew about Optimus I wouldn't buy it, and I will never buy it in the future. But now I have to use it till it last. I hate Windows and would like to use Ubuntu as my main OS, but I can't. Unfortunately. It had been long time since Optimus is around and I doubt there will ever be any proper solution for it on Linux. As long as I don't need to work with 3D I will just go for Intel graphics in the future. –  jozefk Mar 2 at 19:13

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