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<p>Hello, <br></p><p>I am running Ubuntu studio 20.04 Xfce on an Acer Aspire 5755G with 16G RAM and an NVIDIA GeForce GT540M.</p>
<p>Everything works fine and the system is pretty stable, but for some
reason power management doesn't seem to respond to any of my commands.
No matter what I set up, the system won't respond to any change.</p>
<p>My laptop is connected via HDMI to a Dell monitor only on AC power.
The problem is that I can't simply set it up to go asleep after 20 min
if I wanted to and this obviously is not great in power saving.</p>
<p>Is anyone able to help me, please?</p><p><br></p><p>Thank you <br></p><p><br></p><p><br></p>
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