Ineed Help black Screen

I got Black Screen Help After I Finish install Forge See

Download Forge Again

Still Downloading

Its Works

Time To Close Minecraft

i open Minecraft Again

Igot Error

Plzzzzz Ineed To Fix This Proplam

:'( :'( :'(

Error

      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 3/16/13 11:53 AM

-- System Details --

Details:

Minecraft Version: 1.5

Operating System: Windows XP (x86) version 5.1

Java Version: 1.7.0_13, Oracle Corporation

Java VM Version: Java HotSpot Client VM (mixed mode), Oracle Corporation

Memory: 447471616 bytes (426 MB) / 518979584 bytes (494 MB) up to 1037959168 bytes (989 MB)

JVM Flags: 2 total; -Xms512m -Xmx1024m

AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used

Suspicious classes: FML and Forge are installed

IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0

FML:

LWJGL: 2.4.2

OpenGL: ~~ERROR~~ NullPointerException: null

Is Modded: Definitely; Client brand changed to 'forge,fml'

Type: Client (map_client.txt)

Texture Pack: Default

Profiler Position: N/A (disabled)

Vec3 Pool Size: ~~ERROR~~ NullPointerException: null[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:311)

at org.lwjgl.opengl.Display.create(Display.java:856)

at org.lwjgl.opengl.Display.create(Display.java:784)

at org.lwjgl.opengl.Display.create(Display.java:765)

at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:393)

at net.minecraft.client.MinecraftAppletImpl.func_71384_a(SourceFile:56)

at net.minecraft.client.Minecraft.run(Minecraft.java:728)

at java.lang.Thread.run(Unknown Source)

--- END ERROR REPORT b4a9343d ----------