erro ao entrar no laucher ele nao abre e fica uma tela de erro

erro ao iniciar o minecraft

01:14:36.530 Using default game log configuration client-1.7.xml (outputs XML) 01:14:38.924 Setting user: dennervin1 01:14:38.934 (Session ID is token:#################################################################) 01:14:42.126 LWJGL Version: 2.9.1 01:14:42.312 Couldn't set pixel format org.lwjgl.LWJGLException: Pixel format not accelerated at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method) at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52) at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:252) at org.lwjgl.opengl.Display.createWindow(Display.java:306) at org.lwjgl.opengl.Display.create(Display.java:848) at org.lwjgl.opengl.Display.create(Display.java:757) at bsu.am(SourceFile:510) at bsu.aj(SourceFile:352) at bsu.a(SourceFile:299) at net.minecraft.client.main.Main.main(SourceFile:120) 01:14:43.354 Stopping server 01:14:43.453 01:14:43.453 Process crashed with exit code -1