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Subnautica Troubleshooting
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If you are having issues with the game, we are sorry and we would like to help you. Please follow these instructions to help us help you.
즐겨찾기 해제
Minimum System Requirements
First, please make sure your system meets the minimum requirements for the game. Check the System Requirements on Subnautica's Steam store page. Subnautica is a modern 3D game with beautiful graphics and therefore requires a 64bit machine, a good graphics card, and lot of RAM.

Video Card Drivers
Please make sure your video card drivers are up to date. Sometimes Unity3D fails to select your best graphics card if you have more than one. Usually updating your graphics card drivers or creating a profile for Subnautica in your graphics driver's control center helps.

Here are the links to various graphics card drivers by manufacturer: Nvidia GeForce[], other Nvidia cards[], AMD/ATI cards[], and Intel HD Graphics[]. Steam can also help you search for the latest drivers. In the Steam menu navigate to Check for Video Driver Updates... and let Steam guide you through the process.

Water Quality
In order to use the Highest water quality settings, you must make sure to have all the Windows Updates, latest DirectX and GPU Drivers installed.

Some Windows 7 users may require an additional download if they cannot update Windows correctly. You may need to download Platform update for Windows 7 SP1 and Windows Server 2008 R2 SP1[] before High water setting can be used. Please follow the instructions on that page.

Please note High water quality may not be available on some MacOS configurations.
Sound Card Drivers
Subnautica uses the FMOD audio libraries. Unfortunately FMOD crashes if the sound card is not installed properly. A good indication of a sound driver issue is when it crashes before the main menu shows up.

Please try to find a sound card driver update on the vendor's site. Common vendors are RealTek[] and C-Media[]. You should be able to find information about the sound card vendor in the Windows Device Manager.

Additionally there are sound issues with Windows 10. These are not related to Subnautica but will prevent the game from starting. Please follow these instructions from Microsoft to fix sound driver issues in Windows 10.
General Updates
Subnautica is built using the Unity3D[] engine. Most issues with hardware, configuration, or outdated drivers are not unique to playing Subnautica. It is generally preferable if you have all the latest drivers installed for your hardware, especially video and audio drivers. See if anything shows up in Windows Update.

Surprisingly often Steam fails to install or update Subnautica correctly. We don't know why but we know it happens. If Subnautica's installation is broken all bets are off and the weirdest bugs can happen. To make sure your installation is fine right click Subnautica in Steam and select Properties. Then navigate to Local Files and click the Verify Integrity of Game Cache button. In rare cases the installation might be broken even though all files pass the validation. In that case all you can do is uninstall and re-install the game. Please verify the cache integrity after re-installing. Also verify the cache integrity after every update to the game. Did I mention verifying the cache integrity already? It helps.

If your graphics card does not support Direct3D 11 or you experience other issues related to the looks of game you can try running Subnautica on Direct3D 9. To do so right click Subnautica in Steam and select Properties. Navigate to the General tab and click the Set Launch Options... button. Enter -force-d3d9. Note the leading dash.

That said, this option should be seen as a last resort. Subnautica runs fine using D3D11 on all graphics cards that meet the minimum system requirements. If for some reason D3D9 fixes anything for you what you really want to do is update your drivers and your Windows. See above.

Unable to save/load the game in Windows
We have noticed reports from various players stating that their games failed to save or load because of an issue with file system privileges. We were able to reproduce the issue on one of our machines and have tracked the problem down to the igfxEM.exe process, which is part of Intel's graphics driver suite.

The igfxEM.exe process permanently holds handles to all folders inside Steam's game library folder. It prevents games from writing or deleting files and folders inside the game's installation directory. In our case it prevents us from saving and loading the game. We are investigating all possible workarounds, but at the moment it looks like there won't be an easy fix for this issue. We apologize for the inconvenience.

Please note that only certain systems with certain divers are affected by this issue. We do not have a complete list of affected systems and driver versions, but we believe it is related to Intel HD 5XX series graphics drivers. We have contacted Intel's support and provided detailed information about the issue, but have not heard back from them yet.

If you see the following message in Subnautica, it might be due to igfxEM.exe:

Unauthorized Access! Subnautica was denied access to its files by another process.


You can try killing the igfxEM.exe process temporarily[] or downgrade your Intel graphics drivers, but please use caution and do so at your own risk! Please try the latest Intel Drivers for your GPU before downgrading.
Audio crashing
You may also experience crashing at launch of Subnautica. It is possible your sound frequency settings may need to be reset. In Windows Vista and 7, go to your Control Panel and Open Sound.
In Windows 8, 8.1 and 10, press the Windows key, search for sound, and Open up the Sound Control Panel.

Scroll and find your Default Sound Device (it's usually the green ticked one) in the Playback tab. For Realtek or other sound chip users, it will display that brand. Click on it to highlight it, then click Properties.

Open the Advanced tab on the top right of the Window. Then in the drop-down select 24 bit, 44100 Hz (Studio Quality) then hit Apply and OK.

Click OK on all the dialog boxes. You may have to restart your PC for the settings to take hold. Launch Subnautica and see if it runs OK.
Mac OSX Issues
There are a few known issues currently with MacOS X and Subnautica / Unity in general.

If you are having issues with using your 1-5 keys and you are using a AZERTY or non-QWERTY Keyboard on your Mac, you will need to switch your keyboard layout to QWERTY[]. You can always switch it back. This is a Unity engine issue and has been reported. It does not affect Windows users.

When playing Subnautica on a Mac in Full Screen mode, you may find you have a green background. You can work around this by playing in a window. Click the Full Screen check box in the options menu to enable/disable full screen until the water background shows.

Game hangs while loading
If the game just hangs while loading the game please be patient. The same thing happens for a couple of people, especially after updates. On most machines it takes about one minute to load the game but for some people it takes much longer. So if the game goes white on the loading image with the burning space ship please just sit there and wait. Leave it as white, don't click any box that comes up, wait for about five minutes, and see if the game comes back. It almost always does. Make sure to verify the cache integrity if it doesn't. See above.

Game crashes while playing
We are aware of the fact that on some machines Subnautica crashes after running for a couple of minutes or hours. Of course we want to improve the situation but there can be many potential causes and some of them are outside of our control. Most common issues are: not meeting the minimum system requirements, outdated drivers, running out of memory, and overheating.

So please do your part. Check your system specification, update your drivers, close all other applications, and provide good ventilation. It goes a long way.

Two other potential sources for crashing are bugs in the Unity3D game engine we are using and bugs in our shader code. We are integrating Unity's bugfixes as soon as they are available and we keep improving our shader code.
Mouse pointer offset
There is an issue with the current build where mouse clicks would not appear at the same position where the mouse pointer is. For example you might want to click New Game but you hit Options instead. Or you can not use the Fabricator menu anymore because your clicks will not hit the icons.

If you are experiencing anything like that it means you are running the game in fullscreen on a resolution with a different aspect ratio than your monitor. Playing in Windowed mode or selecting a resolution native to your monitor will fix the problem.

Subnautica is available in many languages. The translations are entirely community driven! If you find your language support to be incomplete feel free to help by providing feedback in the translation forum[] or by adding/upvoting some translations at Thank you!
In-Game Feedback System
The easiest way to report issues encountered within the game is to use the in-game feedback system. To use it, press F8 while in game. Subnautica will pause and a feedback panel will appear. The feedback panel gives you a bunch of options for sending information to the development team. Marking feedback as a bug, a performance problem, a gameplay problem or some other category helps the team sort and prioritize reports. See the Development Feedback guide for details.
Ask for help
If all of the above does not help, or you have other random issues, try asking for help on our Subnautica forums[]. We have a very dedicated community experienced in tech support. Please make sure to include a short description of the issue to speed up the process. It helps to be as precise as possible about the issue you encounter. Make sure to attach the log file in case of crashing.
Development Updates
Subnautica is not finished yet. Being in Early Access means that it is changing and morphing all the time. The Development Updates guide explains how to find out what the development team is doing, how you can tell them what you think, when you can expect updates, and how to get them.
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댓글 1,088
RonelPower306 16시간 전 
I have a bug with Sea Emperor. His Head is a drill.
initcat 18시간 전 
Could you please help me?

How to scroll resources list section in scanner room.
Some items in a bottom of list now is unseen, because list size is more then 10 elements.
DuckBoy04 2017년 5월 25일 오후 5시 48분 
@taviles75 While in game, press F3 and check the box next to "enable console". Then press F3 again to exit. and press the ~ key on your keyboard. A grey box should appear. (Note that you will need to open and then close F3 each game)
Table10 2017년 5월 24일 오후 3시 48분 
also ive been waiting for an answer from the developers and i dident get one, GET IT TOGETHER! (Still a great game though)
Table10 2017년 5월 24일 오후 3시 47분 
SPOILER WARNING: okay, i got to the "rescue" mission and got the scanner, the radiation suit, and some other stuff, and its all gone! Iloaded the game and i looked in my inventory and i dident have anything i just got, AND I SAVED MY GAME BEFORE!
taviles75 2017년 5월 24일 오후 3시 22분 
How do I use counsole commands? I have a dell.
gogogo 2017년 5월 22일 오후 4시 51분 
stuck on floater island
Speedysgirl95 2017년 5월 22일 오전 4시 20분 
im stuck in the mountain on the right side of the aurora and cant get out any help
aitsh 2017년 5월 17일 오후 12시 40분 
Hey guys, I'm new to Subnautica and Steam and my game just will not start!! I've tried and tried and tried (did i mention I tried?) but it just won't start! I press play, it says running by the side and then just stops!! I've uninstalled it and everything it just won't let me launch it. Anyboody got any suggstions? Pleeeeaaaaase??
Dukeoflemonade 2017년 5월 16일 오후 10시 35분 
So the whole game works fine for me. I AM playing on an Acer Aspire V, and the GPU isnt the minumum, but the game works (Except for a few acceptable and predictable crashes) except for one small thing. The Prawn Room on the Aurora is completely blank. Once I go up the ramp and fix the door, I would open the door and there would just be water and pipes and electricity... and 1 supply box... I tried remapping everything but it didn't work. I worked really hard and put 15+ hours into the world and I don't want to have to restart. Is there any way I can load in the prawn room? Thanks for the help!