Reload Chunks in Minecraft: A Step-by-Step Guide for Optimal Gameplay

Do you play Minecraft and wonder how to reload chunks in the game? In this article, we will discuss what chunks are in Minecraft, how to reload them, and why you might want to do so. From fixing glitches to improving performance, reloading chunks can have various benefits.

We will also explore any risks involved, what happens to your builds and items when you reload chunks, and how often you should do it.

Stay tuned for tips on optimizing performance and other ways to enhance your Minecraft experience.

What Are Chunks in Minecraft?

Chunks are an aspect of Minecraft’s world generation system. Minecraft worlds consist of these 16 x 16 x 256-block areas that are used to simplify world generation and for functions associated with rendering, the local storage of portions of the world, and optimization of game performance.

Functionally, this is visible in how terrain/configuration discrepancies—such as at chunk borders, when a chunk is teleported from one location to another, or when it is modified to fit a new terrain setting—are resolved.

Despite Chunks posing technical complexities—including to players who want to know how to reload them in circumstances such as server-wide lag, unexplainable block drops, herd migrations, or mob spawning issues — knowledge that minecraft is divided into these 16 x 16 x 256 block areas reveals that so much of the game boils down to rendering, optimizations, and performance.

How to Reload Chunks in Minecraft?

To reload chunks, you must ensure that the Show Chunk Boundaries setting is turned on, move the chunks you want to load out of the player’s visible distance, either from afar if you can still see the chunk, or from anywhere by quitting the game, moving the chunks into different territory, and reloading the game.

To show chunk boundaries, press F3 + G simultaneously on the keyboard. Press them again to disable the setting. To move the chunk out of visual distance from afar, turn your view away from the chunks you are working on. This allows them to unload, and when you turn back to them, they will be loaded as if for the first time.

This can be done by adding many other fast-loading chunks into your viewport. You can move chunks within the player’s visible distance with the Chunk Pregenerator mod in Forge or Fabric via the github link. Since this mostly applies to Java Edition, you can set the randomTickSpeed in Java Edition to 3 to quickly grow crops. You can move chunks from anywhere by quitting the game and then loading it up again, moving them manually, and then restarting it.

In general, you should use the Minecraft F3 Menu to ensure that all the loaded chunks are being utilized as intended. If you are looking to improve performance or stop or start chunk updates, pausing your game allows you to accomplish this without the system automatically updating chunks while you’re in the middle of action or exploration.

Step 1: Open the Debug Menu

The usual way to reload chunks in Minecraft is to press F3 + A. This causes a brief stutter and reloads all your chunks. The better way, as described in Step 1 in this guide, is to open the debug screen and attempt to reload chunks using the same keybind (F3 + A). To go to the debug screen, press F3 on your keyboard or pause the game and look at it. This will bring up the Debug screen. Depending on the version of the game you are using (Java Edition, Bedrock Edition, etc.), the screen may look different and have additional or less information. This screen provides the active chunk position, which is helpful for identifying which chunks might need to be reloaded. You can choose to turn this screen off by pressing the F3 key again or using a different method such as an in-game hot key to fly will close it automatically.

Step 2: Select the ‘Reload Chunks’ Option

After either pressing F3+A or the keybind for your particular OS and version of the game, hold down the F3 key and press the Q key. Release both keys. Small white VFX circles similar to those seen in the game Dead Space will appear briefly showing all chunks. Each orientation of the crosshair adds different VFX chunks across the screen. This method on Windows is unreliable and has other functionality attached to it. If this is the case, the task can not be performed on the host machine.

Given this problem when working on local clients, the only successful method is to press Esc and go into Video Settings. There you can locate the Chunk Updates section, which provides 3 options for different chunk amounts. The higher the number, the more chunks resload at once. The default setting is 1, which will be optimal most of the time. However, if chunks are not loading for whatever reason, selecting 2×2 or 3×3 will refresh more chunks. Be careful as these settings may be unnecessarily taxing on the client machine, causing it to drop frames. They should be returned to default when the situation is resolved.

Step 3: Wait for the Chunks to Reload

After your chunks are no longer actively loaded, anything within them must be saved to disk and only active when loaded into memory again. Minecraft data otherwise moves with the chunks, however. Therefore, when re-reloading new chunks, it is important not to move for a few seconds.

It is ideal to choose the new chunks to reload from a distance. If you are in the original chunks they will not automatically reload and instead remain loaded until you walk out of them. The distance to start new chunks loading seems to be roughly 256 blocks, more or less.

Eventually these newer chunks will also unload so long as you are no longer actively paying them any attention.

Why Would You Want to Reload Chunks in Minecraft?

You would want to reload chunks in Minecraft in order to get them to render correctly if they are not being visualized correctly or because they have not been visualized by the game at all. Minecraft has an auto-save feature but has had aerial graphical glitches which Mojang says are due to the auto-save feature. These glitches sometimes get removed when chunks are reloaded.

Chunks can also become corrupted which prevents them from being rendered. Ahead of corrupted chunks being deleted, players can try reloading them to see if they will render correctly.

Chunks which have not been visited will not render until there is player activity in the area. Reloading chunks will work in this situation.

Fixing Glitches or Bugs

Chunk reloading is sometimes necessary when glitches or bugs appear in Minecraft worlds. These glitches can manifest in visual ways such as chunks not rendering properly. Quickest fix is often for the users to log off and then on or simply to walk away somewhere for a while and come back, as chunk reloading may correct this issue.

If walking away or logging off and then on does not work, there isn’t a guaranteed fix for glitches except through Mojang bug report feedback which can help address the problem in the game itself.

Resetting Changes Made by Mods

If you have installed a mod and need to reset it to its default state, you can use Chunky’s Reload Region feature. You can reload the unloaded chunks to see all undo changes, regions with loaded chunks to see changes that followed the settaping, the entire loaded area around you for the same purpose, or all saved chunks to see changes in subsequent sessions.

Some mod settings can not be undone. For instance, some mods only kick in after a certain activity creates changes – such as Certain activities change a mod setting that can not be undone. For instance, only if the player dies or the game reboots. Chiseling away at colossal obsidian tower segments can affect the appearance of all subsequent creations. The only recourse for many mods is to uninstall them.

Uninstall the mod that caused the changes. This removes the difference between an original chunk and a modified chunk. You must also delete the associated files and folders to make a clean installation. For example, most modifications are installed by moving or copying download files into the game’s mods directory.

Delete the files associated with the mod by accessing the folder that installed it (this is usually found in a “mods” folder but not always). It is recommended to search the mod’s webpage for specific deletion instructions. Manual searches involve entering the “%AppData%” specific script including the computer’s name and checking all folders for the existence of the mod’s folder where it is expected to be found.

If you want to check the region files to confirm that the changes are deleted, they are in .minecraft/saves/worldname/region. The region folder has .mca files that correspond to each save region. Open the .mca files with The MCA Selector, a region editor that ensures that the selection of the desired region is precise check. The absence of the alterations means you now have a reset default state of the world.

There is no point in following old instructions that suggest various workarounds because as software develops, they may no longer be relevant. There is a chance that further improvements are made in Chiseling Basalt as it is in Beta version 1.1.

It is always possible to check the latest bug report through the offered links in the game. Bugs need to be reported from within the game on the mobile app or the snapshot, not the beta one.

Context with Chiseling Basalt (How You Could Think It Works): Normally, you can reinstall Chiseling Basalt with the /fml confirm command. You can reset to default in Chiseling Basalt by adjusting the chisel design or selected blocks that change the appearance of the block. If you want to erase the modification, only activate the default block design and the game will return to its unmodified configuration. However, use of the /fml confirm command during replay will bring the block back to its initially set modified configuration. As of version Beta Subpages 1.0 of Chiseling Basalt, reloading changes in the aesthetics between loading and unloading chunks was not possible. Chiseling Basalt’s version Beta 1.1 has likely corrected this bug.

Details about Chiseling Basalt: Chiseling Basalt is a modification of the Minecraft game. Basalt chiseln is the process that starts Chiseling Basalt, which works on Fabric and Forge for version 1.17-1.18 of the Minecraft game. The basic configuration of this modification permits the redrawing of vines, terracotta, wood, and metals.

Red Stonewick, Gleaming Stonewick, Fossil Stonewick, Stonewick, Blooming Stonewick are the five different stone bricks that you can turn the stones into. Merged with Iron, Copper, and Gold blocks, of various colors, different types of blocks that have hidden light sources can be artfully created. Is it safe to make these changes?

Chiseling Basalt Aesthetic Modifications Cons: Aesthetic changes only, therefore not useful for survival. The game load will rise, as Chiseling Basalt runs on the Minecraft server.

Chiseling Basalt Practical Advantages: Base and bunker construction, both invitation and cautions about who uses the server.

How Chiseling Basalt is Used: Players set up the server with Forge for all Minecraft versions and load Chiseling Basalt to start using it.

How to Install Chiseling Basalt and Use Basics: During installation, the Minecraft launcher is opened, Create Instalation with Fabric Loader is selected, then downloaded and run. The Chiseling Basalt Jar file is downloaded from Modrinth. It is copied to the mods folder and the game is loaded. The time is best spent in Creative mode, although it can also be used in Survival and Adventure modes.

How Chiseling Basalt is Used: While holding the Chisel-item (craftable from a piece of basalt) the player right-clicks on the target block. The 3D model of the chiseled block will fill the rest of the extremely simple recipe, which is the same as any other vanilla cobblestone block similar to cobblestone. Just press on the newly created block as on any normal block, when it is in the player’s inventory. It feels like a normal block, but if you hold the Chisel item and right-click on it a chisel selection opens. Choose both the block and the chisel’s form. To select one press the left mouse button to hold a bit to make the blocks change. If happy with the selection, press right mouse button to exit.


New Jar File With the Basalt Recipe: Obtaining Basalt Blocks is done by smelting cobblestone in version Beta 1.0, while the chisel jar file is downloaded from Modrinth. It is copied to the mods folder unless Twitch is installed, then it goes to the Twitch mods folder and reloaded. To give the game an exciting new look, the jar is opened which adds new recipes which convert the cobblestone into basalt. Chiseling Basalt styles from Modrinth can also be added. Go to the fabric configurator when the game is opened. Just click on the cogwheel in the right corner of the Minecraft menu screen. Check to watch if Chiseling Basalt allows you to use the new game mode to go back to the original setup.

Disabling the Chiseling Basalt Do-Over Button: An error caused while using the ‘undo’ after the chopping of several trees is no longer required, just uninstall or disable the Chiseling Basalt. Outdated instructions suggest which option to choose, but recent improvements and bug corrections will usually involve searching the past versions for answers.

Verify Configuration Backup Files are Retrieved: Backups of world backups are made by game hosts. With every change, including a mod installation, and before taking bundle snapshots or changing biome, landform, etc, it is a good idea as it is with any software changes. The current version of Basalt Chiseling is present in the downloads folder. Both creative offline servers as well as experimental local world versions need to check their status prior to starting a new project.

Examine Structured Data for Configuration Recovery: Look at any structured data in the analytics program that tracks your stock activities. There may be a summary of the key different types of modifications. Read Resource Packs, the Load/Join Interface, and Basic Statistics for information. All scans should be completed, including the company’s web page, to make an exact copy of the game condition that previously existed.

Insulating Against Future Incidents: During future mod installs consider incorporating automated save systems that will allow them to revert to the database “[Name]-1” or save folder “[Name]-1 adding yet another good reason to save regularly. Verify the server’s Camouflage Box is activated so that any Atomicarp and GannEx follower, creeper, panda, bear, or other wildlife remain though any modifications may occur when Chiseling Basalt, the subject mod making changes to your buildings,

How to Reload Chunks in Minecraft?: The gaming framework of Minecraft depends on the creation of “chunks image collections with a size of 16x16x255, which are one of the simplest game aspects to understand. Coreset is the latest version of LaFolme Mod and uses a system without chunks. A title is instead based on the global geological network. Zinc, Titanium, and Alexiys are the types related to Rolled Ethereal Ores, which is a Minecraft modification. It uses geological blocks, items, and ores set across the globe’s fabric layer. This system does away with game flow, so gives a more pandemic experience. Incorporating Minecraft Dungeons, which is based upon basalt, brings changes to the location, adventure, combat, movement, etc.

Since we are discussing programming games and mods, a brief explanation of what chunks are for those non-technical minded parents, stakeholders, or those who are new to Minecraft: Chunks are rectangular 16x16x255 segments in the game of Minecraft. These are to help improve the performance of the game by breaking up the game world such that only small segments are loaded into memory at any time, rather than the entire map. This lowers your system’s resource requirements when it is running. A reminder that where GeoKismet is playing the game, Chiseling Basalt cannot be used as a geolocation option but it is a pure fantasy-based entertainment substitute.

How to Reload Chunks in Minecraft?: Where a mod is too serious, complex, and difficult or improper utilization of a mod on a server creates chunks that are less attractive or functional than they were in their default state, reloading the chunks is a good alternative. Specific steps exist such as restarting or reloading the entire game, including the exit and re-entry into the game, to reset the chunks that have been modified.

Transfer the chunks if modified or lost to a realm and then download them again. On single-player survival or a multiplayer server that is not affiliated with a server or realm, regenerate the world. This involves losing all changes, returning the game map to its seed-generated state.

Back-up from the Last Original Chunks to ensure that any modifications can be regenerated. Return to the last good saved version if things go wrong. Begin again at the beginning, going back before the modification of the section being worked on if a new change is made. Learn to make the adjustments that were desired on a previous failure until recreating the modification correctly.

Mistakes using the wrong mod or not undoing modifications within a mod can have long-lasting consequences. The development of a future build may be irreversibly impacted, and during gameplay, the new altered nature of survival mode may mean that a player is facing death at any second. In a blueprint or design, reinstating the data from block objects in the new structure will require painstaking hours fusing together or trying to find the old mod parameters.

The simplest methods are best. If you wish to reload a chunk, restarting the game is a simple process.

Improving Performance

If your goal is to improve performance then you can start be decreasing the number of chunks in the render distance and updating that number in the following ways.

  1. Go to Options ➝ Video Settings ➝ Render Distance. Set it to a lower value. Updating the value will cause all loaded chunks to remain or be unloaded out to the new distance.
  2. Press F3 + A. This forces the game to reload all visible chunks. As you cannot view more chunks than your render distance, this will effectively reload all potentially visible chunks at once.

Reducing the render distance allows your computer to only keep (and possibly load) the chunks it needs, and this will help improve Minecraft’s performance.

Are There Any Risks to Reloading Chunks in Minecraft?

There are minor risks to reloading chunks in Minecraft. Items that are floating in the air may disappear. As an example, fire that is burning objects that are spawning in a different chunk, when that chunk is not currently loaded, may disappear. Items in chests, drops, item frames, and paintings may be lost.

This is why it is wise to ensure that your work is saved after you unload a chunk. Save your progress in case the slight risks mentioned earlier materialize.

What Happens to My Builds or Items When I Reload Chunks?

In Minecraft, when you reload a chunk, builds and items that are not anchored in a chunk resetting can disappear. Always put your valuables in Shulker Boxes and anchor them by moving accounts or entities to their own chunk. Keep builds a good distance from a loading area, approximately 128 blocks, if the build relies on entities in the loading area. In highly-scripted worlds, build items or blocks in a chunk loader to save them.

When you reload chunks in the game, animals or other creatures lose memories of where they have been sent a player longer than 128 meters away from them. Whether you are moving in or out of a chunk, be mindful of the effects reloading chunks has on your inventory, especially if you are using it as storage.

Theoretically, reloading chunks in Minecraft to move items to a new location can happen indefinitely, as long as you do not hop around to other chunks that have already been reloaded. You can always check the status of your saved items after relocating to a new chunk to make sure no lag has occurred.

How Often Should I Reload Chunks in Minecraft?

The active reload radius in Minecraft is 5 chunks in each direction (totaling 121 chunks), and with daily gameplay, an average of 23.5 chunks would need to be reloaded daily. However, the actual number of chunks to reload varies widely based on the player’s world and the seeds of that world.

Friendly Server: Players will see the biggest benefits if they reload chunks daily, ensuring that they do not overload the server by trying to display too many chunks at once. This helps daily performance and means the server will not lag and stop completely.

Single Player, Hostless, or Server with Few or Faraway People: If there is not much internet traffic running through the server or if you are playing either in single-player mode or with the few friends you have (all living far away), then you can get away with loading and unloading more chunks.

Time Sensitive Landmarks: You can get away with loading chunks less frequently if you don’t need long-distance access to distant locations on a daily basis. Should you need to travel to distant chunks, around five minutes will be enough for those to fully load.

Can I Reload Specific Chunks Instead of All of Them?

There is no easy and fast way to reload specific chunks in Minecraft, but a number of workarounds exist to get the job done in a more convoluted way. In theory, Alt + F3 + G should work quicker than the videos show, if it does work. Players can use external programs and developer tools to suppress chunk rendering, where the game only updates with new block setups every few seconds. The easiest way to do it remains to do a complete chunk reload of the entire world. Chunks may be reloaded everywhere by logging out and logging back in or by F3 + A. For very specific chunks, one can tp away and then back, adjusting the render distance until that one chunk is reloaded. This is hard to do and may not work.

If the entirety of the world must be reloaded, the log-out-and-login trick is very effective. Instead of exiting the game, press F3 + A to reload chunks without logging out. If players are in a multiplayer server that allows server-side commands, the Bar Disable Chat commands can be entered after pressing T to activate the chat. To reload all chunks in a specific location in a multiplayer server, the player can place an Observer while holding a map and activate it. The map will update chunks around the player’s location. Note that while this is a fix for all chunks, it is not guaranteed to work for a given chunk of choice.

What Are Some Other Ways to Improve Performance in Minecraft?

Some other ways to improve performance in Minecraft are to add RAM, which may enable more chunks to be loaded at a time without causing lag.

There are a number of optimizations included in versions of Minecraft including the option to reduce video settings, lowering the render distance, changing the settings in the graphics card control panel, updating graphics drivers, or performing general maintenance such as defragmenting drives or reinstalling the operating system.

Optimizing Graphics Settings

Optimizing graphics settings refers to changing Minecraft software settings to allocate lesser resources to the game in order to speed it up, especially in chunks reloading. This can mean lowering grid distance, quality to minimum levels, and overall performance to speed up the game slightly. Graphics settings are located under the Options Menu, and under Video settings. Performance can be increased by keeping Smooth Lighting turned off, using a small rendering system, and reducing Mipmaps Levels to the minimum level of 4. This can increase FPS by at least 50, which can help while reloading chunks.

Using Mods or Plugins

Technic Coterie US (TCUS) and Chunk Pregenerator are two of many mods available on CurseForge. If you are playing Minecraft Mod Packs then you are probably familiar with CurseForge. Reloading chunks on Minecraft is not the primary purpose of these two mods but they both provide that feature in their overall purpose.

Technic Coterie US (TCUS) is a unique and powerful modpack with a player versus environment (PvE) approach. This modpack is based on surviving a mystic, plant-controlled overworld and a chaotic nether. Players accustomed to ordinary mobs and landscapes will be surprised.

Description from the TCUS Wiki: Hacky part to try to fix vanilla lighting glitches in an area, including loading nearby chunks that have been lazy-chunk-loaded by magic mods. The loading distance is heavily nerfed to half the vanilla maximum (~4.5 chunks?), a significant amount to which the feature’s realism has been hindered.

Chunk Pregenerator is used during World generation. Players have the option to define chunks to pregenerate either via in-game commands or through a generated batch file. By adjusting the arguments, reloading chunks can be accomplished at any time. This is not directly for the purpose of restoring corrupted or misplaced chunks. The latter effect has to ideally wait until all other loaded chunks have been successfully reloaded.

Markus Feldbinder, aka Speiger, invented Chunk Pregenerator as a response to a decline in system performance as a result of default chunk generation. The pregeneration of the Minecraft world frequently reduces chunk creation lag, helping modpack creators have a higher-quality product, as is true with many of the mods he creates (for example, AdvancedRocketMod HoloGui, GammaShock Piston Mod, and more).

Allocating More RAM to Minecraft

To add more Random Access Memory (RAM) to the Minecraft launcher, open the client launcher. Click on ‘Installations’, and select the version of Minecraft you are using. Then click on ‘More Options’ and select a drop-down menu labeled ‘JVM Arguments’ and change the ‘-Xmx2G’ and ‘Xms2G’ to the desired gigabyte memory allocation (Notice 2 equal numbers) as per your desired RAM allocation.

Click on ‘Create’, and you should have more RAM allocated to Minecraft, which could help mitigate the problem of having to regularly reload Minecraft chunks.

Frequently Asked Questions

How to Reload Chunks in Minecraft?

1. What are chunks in Minecraft and why do I need to reload them?

Chunks are smaller sections of the Minecraft world that are loaded and rendered in the game. It is necessary to reload them to fix any loading or rendering issues that may occur, such as missing blocks or lag.

2. How do I reload chunks in Minecraft?

To reload chunks in Minecraft, press the “F3” key on your keyboard to open the debug menu. Then, press the “A” key to reload all chunks in the game.

3. Can I reload specific chunks in Minecraft?

Yes, you can reload specific chunks in Minecraft by using the “/chunkreload” command in the chat. Simply type “/chunkreload x,z” where “x” and “z” are the coordinates of the chunk you want to reload.

4. What do I do if reloading chunks doesn’t fix my issue?

If reloading chunks in Minecraft does not resolve your issue, you may need to try other troubleshooting steps such as restarting the game or updating your graphics drivers.

5. Is there a way to automatically reload chunks in Minecraft?

Yes, there are mods and plugins available that can automatically reload chunks in Minecraft for you. These can be found on various mod websites or through the Minecraft Marketplace.

6. Will reloading chunks affect my game progress or saved data?

No, reloading chunks in Minecraft will not affect your game progress or saved data. It simply refreshes the visual representation of the world and does not make any changes to your game.

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