Shaders wont work past minimum

[HikaruLegacy]

I have a Dell Percision m4700 with i7 processor, nvidia k1000m graphics card, 8G ram and windows 7. why does my shader quality only work on minimum? I mean this computer can run Autodesk Maya and render amazingly.

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[Greek2me]

Please try to update your graphics drivers.

[HikaruLegacy]

any specific site to do that?

[HikaruLegacy]

nevermind