fceux/help/Troubleshooting.html

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<h1>Troubleshooting</h1>
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<p><span class="rvts17">Troubleshooting</span></p>
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<p>This section describes potential problems/question that could arise when using FCEUX.</p>
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<p><span class="rvts42">Slow emulation / Sound crackle</span></p>
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<p>FCEUX may not run well on slower CPU's. &nbsp;You can improve performance by setting sound to low quality in the<a class="rvts18" href="SoundOptions.html"> Sound Dialog</a>. &nbsp;In addition, for windowed mode try enabling hardware acceleration in the <a class="rvts18" href="Video.html">Video config</a> dialog may also help.</p>
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<p><span class="rvts42">Slow savestates when recording movies</span></p>
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<p>On slower computers, savestates can be slow with long movies. &nbsp;A small speedup can be done by disabling config &gt; enable &gt; Backup savestates.</p>
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<p><span class="rvts42">"The colors in game X do not look right"</span></p>
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<p>FCEUX uses the color palette of the old FCEU / FCEUXD branches. &nbsp;However, FCEUX comes pre-packaged with several additional color palettes. &nbsp;For more information see <a class="rvts18" href="Palette.html">Palette config</a> and <a class="rvts18" href="PaletteOptions.html">Palette options</a>.</p>
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<p><span class="rvts42">"I converted a .fcm file to .fm2 but the .fm2 desyncs"</span></p>
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<p>Depending on what version of FCEU / Game your .fcm was made, there maybe a number of sync issues. &nbsp;These are listed in detail at <a class="rvts18" href="http://tasvideos.org/ConvertFCMtoFM2.html" target="_blank">http://tasvideos.org/ConvertFCMtoFM2.html</a>.</p>
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<p>In addition, the .fm2 conversion tool has had some issues on certain operating systems including Vista and Mac.</p>
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<p><span class="rvts42">"When I attempt to load a Lua script I get an error / crash"</span></p>
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<p>Double check you have the Lua .dll files that came packaged with FCEUX 2.1. &nbsp;They must be in the /dll folder from the root directory (where fceux.exe is stored).</p>
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<p><span class="rvts42">"Directdraw: Error creating secondary surface"</span></p>
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<p>Currently this error will happen when attempting to do Full screen mode on Windows Vista. &nbsp;In addition, there has been one reported case of this happening on the 32-bit version of Windows XP. &nbsp;This is a known issue with FCEUX that has not yet been resolved.</p>
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<p><span class="rvts42">"Can't find FDS Bios image when I attempt to load a .fds game!"</span></p>
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<p>FCEUX requires the FDS Bios to be named disksys.rom. &nbsp;It must be located in the root directory (where fceux.exe is stored) or in the folder of the FDS Directory override (see <a class="rvts18" href="Directories.html">Directory overrides</a>).</p>
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<p>In addition, there are some bad versions of disksys.rom. &nbsp;The one FDS requires is 8192 bytes.</p>
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<p><span class="rvts42">"How can I use Netplay / Where can I get FCEU Server?"</span></p>
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<p>Currently FCEUX is not compatible with the FCEU-server code. &nbsp;This is a known issue and will probably be resolved in a future release.</p>
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<p><span class="rvts42">"I have a Game Genie rom, how can I use it with FCEUX?" </span></p>
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<p>While FCEUX has a <a class="rvts18" href="GameGenieEncoderDecoder.html">Game Genie code converter</a>, you can also use game genie codes with the game genie rom. &nbsp;It must be named gg.rom and be placed in the root directory (where fceux.exe is stored). &nbsp;You must also check NES &gt; Game Genie in the main menu.</p>
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