OHGaming's Wild West crash

[03:21:51] [main/INFO]: Setting user: DarkSnakeLord_IV
[03:21:51] [main/INFO]: (Session ID is token:945b92438a0246c480ec8d3ba8194f21:b5476701471e4572baee666f4c6a2a25)
[03:21:53] [Client thread/INFO]: LWJGL Version: 2.9.1
[03:21:53] [Client thread/ERROR]: Couldn't set pixel format
org.lwjgl.LWJGLException: Pixel format not accelerated
	at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method) ~[lwjgl-2.9.1.jar:?]
	at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52) ~[lwjgl-2.9.1.jar:?]
	at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:252) ~[lwjgl-2.9.1.jar:?]
	at org.lwjgl.opengl.Display.createWindow(Display.java:306) ~[lwjgl-2.9.1.jar:?]
	at org.lwjgl.opengl.Display.create(Display.java:848) ~[lwjgl-2.9.1.jar:?]
	at org.lwjgl.opengl.Display.create(Display.java:757) ~[lwjgl-2.9.1.jar:?]
	at bao.ag(SourceFile:327) [minecraft.jar:?]
	at bao.f(SourceFile:713) [minecraft.jar:?]
	at net.minecraft.client.main.Main.main(SourceFile:148) [minecraft.jar:?]