[OPEN] HDMI mirror slow now

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323298
recruit crewman
Posts: 1
Joined: Sun Nov 06, 2022 6:01 pm

After upgrading " pacman -Syu" during Thanksgiving, system is now very slow in opening anything if the laptop monitor is shut closed and viewing exclusively via the hdmi monitor.

If , however, the laptop is opened and now dual monitoring, things run very fast indeed.

New updates no help up to today's date.

Laptop: GL 75 Leopard
Nvida
Core i7

Latest system update Dec 12, 2022 : better - but still slow. With laptop closed, viewing mirror on HDMI, items take 6.5 seconds to open. With laptop open ( and also HDMI mirror on, ) takes 1.2 seconds to open items
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erikdubois
Captain
Posts: 5353
Joined: Tue Nov 07, 2017 3:45 pm
Location: Belgium
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Keep the pc open sounds like good advice

see on other forums what they report
there are many Arch Linux forums - Arch but also EndeavourOs - Garuda etc

No immediate suggestions
Learn, have fun and enjoy.
But first use the power of the Arch Wiki
use the tutorials on https://www.youtube.com/erikdubois
then use the power of google
then use the power of our moderators.
sunisup
Crewman
Posts: 36
Joined: Mon Nov 28, 2022 5:13 pm

My system sometimes goes wacko after going to sleep. Mouse becomes erratic , video starts showing triangles of screen all over the place as I move my mouse. I just reboot and everything is fine. Probably a driver issue somewhere. I have just learned to live with it until an update fixes it.
For me it's not all the time.
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erikdubois
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Posts: 5353
Joined: Tue Nov 07, 2017 3:45 pm
Location: Belgium
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investigate by changing configs - changing kernels

reading the wiki and change the configs they suggest
Learn, have fun and enjoy.
But first use the power of the Arch Wiki
use the tutorials on https://www.youtube.com/erikdubois
then use the power of google
then use the power of our moderators.
323298
recruit crewman
Posts: 1
Joined: Sun Nov 06, 2022 6:01 pm

I stumbled a great work around. Have both screens on.
Unplug the HDMI cord at the laptop.
Reboot the laptop
After boot complete - shut the laptop closed.
Now, replug in the HDMI cord.

It'll take about 22 seconds for the system to bring the HDMI screen alive.
Once it does - things open and close quickly on the big screen.

( ps - don't reopen the laptop)
Last edited by 323298 on Tue Dec 27, 2022 9:39 pm, edited 1 time in total.
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