Re: emacs display garbled

[Jianglong Chen]

在 2018年11月15日星期四 UTC+8下午10:53:25，Eli Zaretskii写道：
> > Date: Thu, 15 Nov 2018 01:30:53 -0800 (PST)
> > From: Jianglong Chen <ambjlon@gmail.com>
> > 
> > https://stackoverflow.com/questions/51910830/emacs24-5-1-helm-project-find-files-display-broken
> 
> My first suspect would be your display driver.  If it has some
> "acceleration" or "optimization" features, disable them and try again.

How to find if these features exist? I don't know any about display driver, 
sorry.