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Hi Andreas,<br>
<br>
I have exact problem like Jean-Marc and I can reproduce them. <br>
<br>
Also on my laptop, the brightness control on keyboard and slider are
not working after gnome-control-center updated to 3.21. The screen
is 100% brightness, but after resume from sleep, it jump back to 0%
and I still can't control it.<br>
<br>
I just use Linux and Debian like
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sure how to and were to get the error message/code for this problem.
I searched on syslog and kernel log but found nothing related to
gnome-control-center or display settings. Maybe my system log and
kernel log attachment can be useful.<br>
<br>
My hardware info, if those are useful:<br>
- nvidia gt410M with nvidia-driver 367.44<br>
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