Gett black screen when hovering over a variable while debugging

2015 3 6
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更新时间：2015 3 6
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Background:
I run matlab R2014b on a dell precisionM4600 with windows 7 64 bit installed, 16 GB ram using 2 external 24inch monitors.
Every time I hover over a variable in debug mode, my entire 2 screens turn black for a second.
Sometimes matlab will then hang/crash with only the outlines of the matlab windows visible.
I also run R2013b on the same machine (older Simulink application), It never happens with that version.
This is a serious detriment to debugging scripts! What are you guys doing with your tooltips?

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Adam
Adam 2015-3-6
编辑：Adam 2015-3-6

2 个投票

If it occurs when you hover over a variable whos contents extend beyond the length of the screen then yes, this is a bug in Matlab's Java interaction.
I was given the following solution by Mathworks support which may work for you if it is the same problem:
  • Run MATLAB as administrator
  • Execute " edit datatipinfo "
  • In line 45 " val = val(1:500); " , reduce number 500 to the length you want (e.g. 10)
I seem to remember 'line 45' was not quite correct, but it is close enough for you to locate the relevant line with common sense.

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