Certain video games won't launch

Hi,

I have a custom built PC that is about 3 months old. Was fine for a month or so until it started giving me errors when starting up games, the only fix was to reinstall my graphics cards drivers. This only happened like once every week or 2. Up until the past few days and now it happens more often.

It's a weird one because after reinstalling my gfx drivers Crysis 2 works fine, but I've tried games such as trackmania nations forever, trackmania 2, mirrors edge and portal 2 - these all fail to start. some give me error mesasges, tohers just close straight away.

Here's one of the errors I'm getting:
Mirrors Edge - Failed to create DXT texture. THe game requires DXT support. If you have manually disabled it, please re-enable and try again.

I was getting an error on trying to launch Trackmania 2, something to do with direct x and shaders (can't remember specifics because I've since uninstalled it).

I've tried disabling on board graphics, re-installing direct x 11 (Seems like it could be a DX fault?) and I've even run a program to make sure every driver on my PC is of the latest version... all to no avail :/

Any help would be grand, anything else that may help assist then just ask. Thanks!

P.S. I have 2 monitors, a standard VGA monitor and a HDTV

Here is a snippit of my DXDiag report:
------------------
System Information
------------------
Time of this report: 4/23/2012, 20:41:02
       Machine name: LUKE-DAW
   Operating System: Windows 7 Home Premium 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_gdr.120305-1505)
           Language: English (Regional Setting: English)
System Manufacturer: Gigabyte Technology Co., Ltd.
       System Model: Z68AP-D3
               BIOS: Award Modular BIOS v6.00PG
          Processor: Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz (4 CPUs), ~3.6GHz
             Memory: 8192MB RAM
Available OS Memory: 8110MB RAM
          Page File: 2357MB used, 13859MB available
        Windows Dir: C:\Windows
    DirectX Version: DirectX 11
DX Setup Parameters: Not found
   User DPI Setting: 96 DPI (100 percent)
 System DPI Setting: 96 DPI (100 percent)
    DWM DPI Scaling: Disabled
     DxDiag Version: 6.01.7601.17514 64bit Unicode
  DxDiag Previously: Crashed in system information (stage 4). Re-running DxDiag with "dontskip" command line parameter or choosing not to bypass information gathering when prompted might result in DxDiag successfully obtaining this information

------------
DxDiag Notes
------------
      Display Tab 1: No problems found.
        Sound Tab 1: No problems found.
        Sound Tab 2: No problems found.
        Sound Tab 3: No problems found.
        Sound Tab 4: No problems found.
          Input Tab: No problems found.

--------------------
DirectX Debug Levels
--------------------
Direct3D:    0/4 (retail)
DirectDraw:  0/4 (retail)
DirectInput: 0/5 (retail)
DirectMusic: 0/5 (retail)
DirectPlay:  0/9 (retail)
DirectSound: 0/5 (retail)
DirectShow:  0/6 (retail)

---------------
Display Devices
---------------
          Card name: NVIDIA GeForce GTX 560 Ti  
       Manufacturer: NVIDIA
          Chip type: GeForce GTX 560 Ti
           DAC type: Integrated RAMDAC
         Device Key: Enum\PCI\VEN_10DE&DEV_1200&SUBSYS_838B1043&REV_A1
     Display Memory: 4065 MB
   Dedicated Memory: 993 MB
      Shared Memory: 3071 MB
       Current Mode: 1440 x 900 (32 bit) (60Hz)
       Monitor Name: CMO A190A2
      Monitor Model: CMC 19AW
         Monitor Id: CMO2198
        Native Mode: 1440 x 900(p) (59.887Hz)
        Output Type: HD15
        Driver Name: nvd3dumx.dll,nvwgf2umx.dll,nvwgf2umx.dll,nvd3dum,nvwgf2um,nvwgf2um
Driver File Version: 8.17.0012.9610 (English)
     Driver Version: 8.17.12.9610
        DDI Version: 11
       Driver Model: WDDM 1.1
  Driver Attributes: Final Retail
   Driver Date/Size: 3/1/2012 01:02:00, 17642816 bytes
        WHQL Logo'd: Yes
    WHQL Date Stamp: 
  Device Identifier: {D7B71E3E-5140-11CF-7956-87A31FC2C535}
          Vendor ID: 0x10DE
          Device ID: 0x1200
          SubSys ID: 0x838B1043
        Revision ID: 0x00A1
 Driver Strong Name: oem12.inf:NVIDIA_SetA_Devices.NTamd64.6.1:Section015:8.17.12.9610:pci\ven_10de&dev_1200
     Rank Of Driver: 00E62001
        Video Accel: ModeMPEG2_A ModeMPEG2_C ModeVC1_C ModeWMV9_C 
4 answers Last reply
More about certain video games launch
  1. It wouldn't let me edit my post so I'm replying... Here is a screenshot Of 2 error messages I got when trying to run a DX11 Benchmark app (Top 1 came first):

    http://imageupload.org/en/file/220903/untitled-3.jpg
  2. Definitely sounds like you need to get a clean reinstall of DX11. The DX11 DL (I don't know because I don't have DX11 cards) comes with all the DX8,9, and 10 stuff, right? Or is it standalone? If so you needa get them all.
  3. Erm.... haha, I'm not sure, but it would make sense if it did. Could do with some info on how to do a completely clean install of DX11 if anyone can offer any advice on that?

    Cheers
  4. i've tried EVERYTHING i can think of apart from re-formatting my hard drive. Can anybody at all help? I've just bought Skyrim and this won't work either :(
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