• 0
658.am

Modpacks wont open! Everytime I open a pack it crashes!

Question

Im having an issue where every time I try to run a modpack its crashes before it pulls up the actual mine craft window and sets me back to the launcher.

 Crash Log:

---- Minecraft Crash Report ----

WARNING: coremods are present:
Contact their authors BEFORE contacting forge

// Surprise! Haha. Well, this is awkward.

Time: 11/25/17 12:20 AM
Description: Initializing game

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:247)
    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 org.lwjgl.opengl.Display.create(Display.java:739)
    at net.minecraft.client.Minecraft.func_175609_am(Minecraft.java:593)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:430)
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:351)
    at net.minecraft.client.main.Main.main(SourceFile:124)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Client thread
Stacktrace:
    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:247)
    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 org.lwjgl.opengl.Display.create(Display.java:739)
    at net.minecraft.client.Minecraft.func_175609_am(Minecraft.java:593)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:430)

-- Initialization --
Details:
Stacktrace:
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:351)
    at net.minecraft.client.main.Main.main(SourceFile:124)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
    Minecraft Version: 1.10.2
    Operating System: Windows 10 (amd64) version 10.0
    Java Version: 1.8.0_151, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 3991928256 bytes (3806 MB) / 4294967296 bytes (4096 MB) up to 4294967296 bytes (4096 MB)
    JVM Flags: 5 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms4096m -Xmx4096m -XX:+UseG1GC -XX:MaxGCPauseMillis=4
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: 
    Loaded coremods (and transformers): 
    Launched Version: 1.10.2-forge1.10.2-12.18.3.2185
    LWJGL: 2.9.4
    OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
    GL Caps: 
    Using VBOs: Yes
    Is Modded: Definitely; Client brand changed to 'fml,forge'
    Type: Client (map_client.txt)
    Resource Packs: 
    Current Language: ~~ERROR~~ NullPointerException: null
    Profiler Position: N/A (disabled)
    CPU: <unknown>
    OptiFine Version: OptiFine_1.10.2_HD_U_E3
    Render Distance Chunks: 4
    Mipmaps: 4
    Anisotropic Filtering: 1
    Antialiasing: 0
    Multitexture: false
    Shaders: null
    OpenGlVersion: null
    OpenGlRenderer: null
    OpenGlVendor: null
    CpuCount: 4

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3 answers to this question

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This post may be at a wrong place. Well that's the moderator's problem. Please link us a modpack you're trying to open in this error. (Also what kind of graphics card you are using?)

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@658.am this is an issue in lwjgl that's happening on Win 10 machines with old Intel hardware and recent java 8 versions.

The issue and the fix was mentioned like gazillion times on this board. Just search for "Pixel format not accelerated". Hint: downgrade your java version to 8u25 x64.

P.S. you broke the rules by posting that wall of text (log). Use pastebin links, edit your post and fix the issue.

@E4RU you have potential, join our Discord, check out the crash solving bot in action in our help channel, ask questions or just come and hang out with the community. I forgot about rules, yeah, definitely read those if you decide to stay.

 

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@EvilOwl Thank you for the invitation. I have already joined Technic's Discord server. I will look into the bot you mentioned and try to assist other players through Discord when I am able to do so. (I honestly like the forums more. Here I can do everything at my own pace. So I usually assist through the forums. Especially in Platform Pagoda section.)

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