This is a guest post by John from MinePick.com – he takes a closer look at what you can do when Minecraft doesn’t start or doesn’t work properly on your system
Tip: Visit Minepick.com for the best Minecraft servers
It’s a broad question but sometimes this happens and below you can find many things you can troubleshoot and see if it works. Please read each step fully because some things we recommend you to do may delete your game savings. We are listing our solutions by most common fixes descending. Images are in Swedish but you can find text translations in the text. It’s for visual engagement and guidance. These solutions are targetted for the following audience: can’t launch, freezes, lag.
1 Reinstall Minecraft / Backup Old Games Saves
Delete your game (if Minecraft doesn’t launch). It doesn’t matter whether you are playing Minecraft through Minecraft.net browser or if you have downloaded the game. In any way you still have downloaded the game in some way. The first thing you therefore should do before troubleshooting other things is to delete your .minecraft folder.
1. Step If you don’t want to lose your world saves you should backup the following folder:
Save the folder contents to somewhere safe on your computer and where you will find it later.
2. Step Delete your .minecraft folder located in:
Whenever you start Minecraft again, either by using your .exe file or through the Minecraft.net browser option Minecraft should download the game for you again giving you a fresh install. Once done simply boot Minecraft and see if everything works now. If not, move on to the next step.
Download Latest Java Version
Download the latest version of Java (if Minecraft doesn’t launch). Minecraft uses Java which makes this a requirement for you to play. Go to Java.com and install the latest version of Java. Usuaully it detects automatically which version you need, if not, simply get the latest.
Check Windows Firewall
Allow Minecraft in your Windows Firewall (if Minecraft doesn’t launch). Go to Windows Control Panel. Once there click System and Security.
Next, click on the link that says “Allow Program in Windows Firewall”.
Click the button that says “Change Settings” and if you cannot find Minecraft in the list you will have to click the button which says “Allow other program..”. Go to where Minecraft is located in your computer and select it and click to add. Then look in the list to make sure it’s marked as allowed in the list.
Check your drivers (if Minecraft doesn’t launch or freezes). Make sure you have the latest drivers installed on your computer. To see what drivers you currently are using right click your desktop and select “Screen Resolution” and then click “Advanced Settings”. Click “Properties” and go to the “Driver” tab and see what driver you use. Below is a detailed guide how to do it.
Now when you know the name of your driver type in the whole name in Google and go to the downloads page to download the latest updates.
Check Video Settings
Lower your video settings (if Minecraft is lagging). Minecraft doesn’t set any recommended video settings for your specific computer. This you will have to do yourself, but we can of course help you to optimize your settings to get as little lag as possible but yet have good graphics. Also remember that some mods require a better computer and therefore if you are aware of the fact your computer can’t handle any high graphics games you should probably find a mod which requires less resources.
Open up Minecraft and go to “Options” > “Video Settings…”. Here you can change the settings to whatever you like. Below is an example of lowered settings that works fine for me on my laptop. This may of course vary depending on what computer you have. Try different options and see what works best for you.
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