Chances are that you need to update your graphics driver.  Please use the Report a Bug dialog to submit this a bug before you do the update so we have a record of the bad configuration.  And then, after the update report the new version on the support ticket.  If the update isn't successful, then we'll take a closer look.     -- Greg On 11/25/19 3:49 PM, Dominique Gutierrez wrote:

Hello,

Cntrl+shift + left selection makes screen go blank where I only see the green box and  the pdb or map disappears until releasing the mouse.  Are there any settings that prevent that in chimera or any display settings?

Best, Dominique Gutierrez

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