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Slow, laggy UI in LibreOffice 5 [closed]

asked 2015-10-02 13:24:43 +0200

bybauskis gravatar image

updated 2020-08-04 17:46:57 +0200

Alex Kemp gravatar image

I recently upgraded to 5.0.2 and the new interface is very laggy on my system for some reason:

  • When opening an .odt document, the toolbars load one by one, then the menu appears. This takes a few seconds.
  • Clicking / mousing over a menu first opens a blank grey rectangle, the actual contents appear after a fraction of a second
  • Scrolling through things like Extension Manager is very laggy
  • Menu fonts are slightly blurred and look ugly

I reverted back to where the menus are nice and snappy like in any other program.

Maybe this is due to some sort of hardware acceleration? I tried disabling OpenGL in options, but it didn't seem to have any effect.

I'm running 64-bit Windows 10, Phenom II CPU, 4 GB RAM, and I have newest drivers for my Radeon graphics.

Can I somehow make LibreOffice 5 as fast and snappy as its previous version?

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Closed for the following reason question is not relevant or outdated by Alex Kemp
close date 2020-08-04 17:47:33.680738


I have this same problem except I'm still on Windows 7, but Libreoffice 4 rendered fine and 5 is terrible.

Jez gravatar imageJez ( 2017-05-18 20:38:09 +0200 )edit

3 Answers

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answered 2015-10-05 18:28:29 +0200

updated 2015-10-05 18:32:36 +0200

There are 2 reasons:

1.1) Having too many dictionaries installed, at least on Window$, results in extreme CPU usage for no reason. I have all dicts installed on A4-5000 APU, a low-power quad-core, wastes a whole core, giving nearly no time for LO to function.

1.2) Be noted aka 5.0.2 RC2, but not, suffers from #1.1. I've already reported #1.1 to TDF:

2) If your GPU doesn't support OpenCL, regardless of beta drivers (be sure to check for beta drivers, they can work miracles even if the changelog doesn't concern you at all), there will be alot time wasted testing shit on GPU, only to notice it doesn't work, or works partially. You can disable OpenCL within LO, but that switches to CPU-exclusive processing, and being single-threaded program, LO calculations will be really slow, if GUI works

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answered 2018-04-17 14:17:59 +0200

blacklist opengl completely solved my issue, still 4.2 is rocket fast

add following to your opengl blacklist file: share/opengl/opengl_blacklist_windows.xml

<entry os="all" vendor="all"> <device id="all"/> </entry>

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answered 2016-08-15 17:24:22 +0200

chebum gravatar image

I had problems on Windows. One dive LibreOffice became slow as hell. Disabling OpenGL solved the problem. Open Settings. Go to LibreOffice - View. Disable OpenGL setting on the right. Restart the program. It looks like a driver compatibility issue that causes the problem.

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Asked: 2015-10-02 13:24:43 +0200

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Last updated: Apr 17 '18