[Chimera-users] Help for Chimera launch fail

Eric Pettersen pett at cgl.ucsf.edu
Wed May 12 10:59:27 PDT 2021

Hi Hua,
	FIrst, does your machine have a Radeon graphics card?  The latest Radeon drivers are buggy and don't work with Chimera so if you have a Radeon card you will have to roll back to an earlier version of the driver.
	If you don't have a Radeon card, the fact that the debug info indicates that you were "initializing graphics" strongly suggests it is a problem with whatever graphics card you do have, so I would need more information about your card and driver version.  If you don't know that information you can get it by running the "dxdiag" program.  Type "dxdiag" into the Windows search bar to find it.  When you run it you might be asked if you want to check if the drivers are WHQL certified, but that is not important for Chimera. Then click on the "Save All Information" button, which will create a text file with all of the information. We are only interested in the System and Display tabs. Then send that file to me.


	Eric Pettersen
	UCSF Computer Graphics Lab

> On May 11, 2021, at 8:11 PM, 黄华 <hhuang at m.scnu.edu.cn> wrote:
> Dear Eric Pettersen,
> This is a Chimera User in South China Normal University(Guang zhou, China). 
> Now, I found I can not start the Chimera even after I reinstalled. Would you tell me how could I fix this problem?
> This is the message after I launch Chimera-debug:
> Cannot execute 'gzip': no automatic decompression of .Z files
> initializing general preferences
> loading Tix
> initializing graphics
> Return code: -1073741819
> Press return or enter to to exit
> thanks for your help!
> hua
> ------------------
> Hua Huang
> Principal Investigator
> School of Life Science
> South China Normal University
> Guangzhou, China
> 黄华
> 华南师范大学M邮箱/未归类/生命科学学院/教职工/办公
> 华南师范大学始建于1933年,是一所学科门类齐全的国家“211 工程”重点建设大学。
> “艰苦奋斗、严谨治学、求实创新、为人师表 ”是华南师范大学校训。
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