Minecraft Errors, Crashes, Black Screen, Connection Issues, Modding, FPS Fix, and Lag Fix

By   /   Feb 18, 2011


If you have been experiencing any issue while playing Minecraft or while creating/running Minecraft server, you can refer to our troubleshooting guide.

Minecraft – Errors, Crashes, Freezes and Fixes

1# Minecraft – Black Screen of Death
Make sure your JAVA client matches your operating system (32 or 64bit) and re-install respective version of JAVA client.

2# Minecraft – Low Performance, Low FPS, Frame Drops
Mod your game with the Optimine Boost.

How To Mod Minecraft with Optimine Boost
1. Download Optimine Boost.
2. Now, in the %APPDATA%/.minecraft/bin folder, and find minecraft.jar and make a backup of it.
3. Open minecraft.jar with winrar or any other archiving software.
4. Delete the metal-inf folder.
5. Copy the files from the downloaded zip file into the jar file, replacing previous files.

How To Mod Minecraft with CAF-MOD
1. Before you can mod Minecraft with CAF-MOD, Optimine Booast must be applied.
2. Download CAF-MOD.
3. Apply Optimine Boost. It will just replace one file.

3# Minecraft Online Multiplayer Issues – Lag Fix
Download GameBooster, run it while playing the game also refer to 2# for probable fixes.

How to change your username
Send an email to payment [at] mojang.com or notch [at] mojang.com

4# Minecraft – Broken After Last Update – Not Running
Delete all the game folders and re-install.

5# Minecraft – Black Screen After a Few Minutes
Something you will face more often. If you are experiencing this issue, contact support.

6# Minecraft – Can’t Save Controls Settings
Go to multiplayer, connect to the localhost(In the address type localhost) and let the connection fail. Once it fails, your controls will be saved, strange but some-how works.

7# Minecraft Server Not Responding – Can’t Connect to Server
You are unable to connect to Minecraft Server. Well, patience is recommended as this is something you have no control over.

8# Minecraft – Stuck at Loading Screen
Delete all the folders and do a clean install.

9# Minecraft – Doesn’t Run after Updating Texture Pack
Delete all the folders and do a clean install.

10# Minecraft – Can’t Buy the Game
Send an email to support [at] mojang.com, surely you will get a quick reply.

11# Minecraft – Can’t Run/Update Java
Download and run CCleanerhttp://www.piriform.com/ccleaner, also reinstall java client.

12# Can’t Connect to ‘www.minecraft.net’
Use TCP Optimizer, you can download it from here. Run the application. Type in 1323 under TCP settings and disable Timestamps. Reboot

Flush DNS – Can’t Connect to ‘www.minecraft.net’
1. Go to run, type ‘cmd’.
2. Type ipconfig /flushdns in the cmd.
Try connecting now.

If you face any other issue, let us know and we will try to help you out.