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Troubleshooting: Difference between revisions

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This article aims to help you when you experience problems with DDNet.
This article aims to help you when you experience problems with DDNet.


<!--T:2-->
Useful information for developers to debug problems are:
Useful information for developers to debug problems are:


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# Crash/Assertion logs
# Crash/Assertion logs
# Hardware information (GPU, CPU, RAM, operating system (e.g. Windows, Linux etc.)) - The used GPU can always be found by pressing F1 after client start. It should be highlighted in purple text.
# Hardware information (GPU, CPU, RAM, operating system (e.g. Windows, Linux etc.)) - The used GPU can always be found by pressing F1 after client start. It should be highlighted in purple text.
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== Crashes ==
== Crashes == <!--T:4-->


<!--T:5-->
Crashes are unexpected shutdowns, that are most likely caused by a bug in the DDNet code, or in other software.
Crashes are unexpected shutdowns, that are most likely caused by a bug in the DDNet code, or in other software.


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The rule of thumb is that, if you can reproduce the crash, you should reach out to the developers.
The rule of thumb is that, if you can reproduce the crash, you should reach out to the developers.


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See '''external links''' or create an issue on [https://github.com/ddnet/ddnet GitHub].
See '''external links''' or create an issue on [https://github.com/ddnet/ddnet GitHub].


<!--T:8-->
Since DDNet 16 for Windows the client might create a crash log or assertion log which can be found in the [[Special:MyLanguage/FAQ#Where_is_the_DDNet_config.2C_config_directory_or_save_directory.3F|config directory under "dumps"]].
Since DDNet 16 for Windows the client might create a crash log or assertion log which can be found in the [[Special:MyLanguage/FAQ#Where_is_the_DDNet_config.2C_config_directory_or_save_directory.3F|config directory under "dumps"]].
Just send them to the developers and they might be able to find useful information out of them.
Just send them to the developers and they might be able to find useful information out of them.


<!--T:9-->
If the client crashes at startup, it is commonly a broken graphics driver (see the [[Special:MyLanguage/GFX_Troubleshooting| GFX Troubleshooting]]) or an antivirus software (search the internet for how to disable it for a specific application/DDNet).
If the client crashes at startup, it is commonly a broken graphics driver (see the [[Special:MyLanguage/GFX_Troubleshooting| GFX Troubleshooting]]) or an antivirus software (search the internet for how to disable it for a specific application/DDNet).


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''<small>Note: Not all crashes / bugs are caused by DDNet code, you should always keep your system and your drivers up to date. Only reproducable or bugs with a crash log, that indicates a bug in the DDNet code, can be fixed easily.</small>''
''<small>Note: Not all crashes / bugs are caused by DDNet code, you should always keep your system and your drivers up to date. Only reproducable or bugs with a crash log, that indicates a bug in the DDNet code, can be fixed easily.</small>''




== Graphics problems ==
== Graphics problems == <!--T:11-->


<!--T:12-->
If you experience graphics glitches, and the developers cannot reproduce them, there is a good chance that your graphics drivers are outdated, contain bugs or simply are abandoned by the hardware company.
If you experience graphics glitches, and the developers cannot reproduce them, there is a good chance that your graphics drivers are outdated, contain bugs or simply are abandoned by the hardware company.


<!--T:13-->
You can still try the following thing:
You can still try the following thing:


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'''If you have a modern GPU try to update your drivers first, all of the following steps are fallbacks that also have drawbacks (e.g. worse graphics).'''
'''If you have a modern GPU try to update your drivers first, all of the following steps are fallbacks that also have drawbacks (e.g. worse graphics).'''


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<pre>
<pre>
Inside the client go on Settings -> Graphics
Inside the client go on Settings -> Graphics
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</pre>
</pre>


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If you prefer to have a more appropriate solution for your problem, visit the [[Special:MyLanguage/GFX_Troubleshooting|GFX Troubleshooting]] page, which analysis graphics problems more specifically and gives extra details.
If you prefer to have a more appropriate solution for your problem, visit the [[Special:MyLanguage/GFX_Troubleshooting|GFX Troubleshooting]] page, which analysis graphics problems more specifically and gives extra details.




== ALT + TAB problems ==
== ALT + TAB problems == <!--T:17-->


<!--T:18-->
This is most likely a graphics driver problem. However you can still try to fix it by using "Windowed Fullscreen".
This is most likely a graphics driver problem. However you can still try to fix it by using "Windowed Fullscreen".


<!--T:19-->
This is a special fullscreen mode, that makes the window act like it is fullscreen, even if it's not.
This is a special fullscreen mode, that makes the window act like it is fullscreen, even if it's not.


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''<small>Note: There is a drawback on some systems. E.g. under Windows it might leave the Windows desktop compositor active, which results in less FPS, and in worst case
''<small>Note: There is a drawback on some systems. E.g. under Windows it might leave the Windows desktop compositor active, which results in less FPS, and in worst case
more input delay.</small>''
more input delay.</small>''


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<pre>
<pre>
Inside the client go on Settings -> Graphics
Inside the client go on Settings -> Graphics
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</pre>
</pre>


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''<small>(if you experience bugs changing this mode, just restart the game once and make sure "Windowed Fullscreen" is still selected)</small>''
''<small>(if you experience bugs changing this mode, just restart the game once and make sure "Windowed Fullscreen" is still selected)</small>''




== Broken streaming ==
== Broken streaming == <!--T:23-->


<!--T:24-->
When you experience a bug with streaming DDNet over discord, you are most likely using a nvidia graphics card.
When you experience a bug with streaming DDNet over discord, you are most likely using a nvidia graphics card.


<!--T:25-->
A user already reached out to discord, and they told him to:
A user already reached out to discord, and they told him to:


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[https://github.com/ddnet/ddnet/issues/4711#issuecomment-1046824198 '''Toggle off the "Use our latest technology to capture my screen" setting under User Settings > Voice & Video''']
[https://github.com/ddnet/ddnet/issues/4711#issuecomment-1046824198 '''Toggle off the "Use our latest technology to capture my screen" setting under User Settings > Voice & Video''']


<!--T:27-->
If you have problems finding DDNet in nvidia shadow play.
If you have problems finding DDNet in nvidia shadow play.


<!--T:28-->
Make sure you actually use the nvidia card to play DDNet (press F1 after a client start and see the purple text saying something like "gfx [...] Vendor:", it should mention nvidia)
Make sure you actually use the nvidia card to play DDNet (press F1 after a client start and see the purple text saying something like "gfx [...] Vendor:", it should mention nvidia)


Under Windows you can usally select the preferred graphics card under Windows' graphics options, or directly in the control panel of your graphics driver (e.g. nvidia control panel)
<!--T:29-->
Under Windows you can usually select the preferred graphics card under Windows' graphics options, or directly in the control panel of your graphics driver (e.g. nvidia control panel)


== Network / Connection problems == <!--T:30-->


== Network / Connection problems ==
<!--T:31-->
 
DDNet and Teeworlds network code requires a stable connection with as less ping jitter as possible.
DDNet and Teeworlds network code requires a stable connection with as less ping jitter as possible.


<!--T:32-->
If you experience problems make sure to:
If you experience problems make sure to:


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# Use a LAN cable instead of Wifi
# Use a LAN cable instead of Wifi
# Turn off other applications on your computer and other computers in your network to tell if they are the source of the problem
# Turn off other applications on your computer and other computers in your network to tell if they are the source of the problem
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