minecraft下載

我在打開電腦板minecraft板時，看到了以下的內容，我應該怎様？

Bad video card drivers!
-----------------------

Minecraft was unable to start because it failed to find an accelerated OpenGL mode.
This can usually be fixed by updating the video card drivers.



--- BEGIN ERROR REPORT 7fe0271 --------
Generated 15年1月21日 下午6:59

Minecraft: Minecraft Demo (PC Gamer)
OS: Windows 7 (x86) version 6.1
Java: 1.8.0_31, Oracle Corporation
VM: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
LWJGL: 2.6
[failed to get system properties (java.lang.NullPointerException)]

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:185)
at org.lwjgl.opengl.Display.createWindow(Display.java:317)
at org.lwjgl.opengl.Display.create(Display.java:857)
at org.lwjgl.opengl.Display.create(Display.java:785)
at org.lwjgl.opengl.Display.create(Display.java:766)
at net.minecraft.client.Minecraft.a(SourceFile:226)
at net.minecraft.client.Minecraft.run(SourceFile:609)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT c640dd31 ----------