<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Fabian,<div class=""><br class=""></div><div class=""> If Chimera works and ChimeraX does not it may be that your system graphics driver does not support the more modern OpenGL graphics version (3.3) required by ChimeraX.</div><div class=""><br class=""></div><div class=""> Our UCSF servers are down -- below is a PDF of the ChimeraX troubleshooting page which talks about inadequate graphics drivers. Maybe starting in debug mode will indicate if that is a problem.</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Tom</div><div class=""><br class=""></div><div class=""></div></body></html>