weird refresh rate when shaking window using dragging by touchpad











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hi everyone im a brand new linux user and no experience in programming but i can follow instructions and fix issues. it is just that i didnt find anyone else having the exact problem with the exact OS.



so i installed ubuntu latest LTS on laptop (teclast f7) and touchpad worked eventough i wasnt expecting it to, possibly due to a kernel update. but when i hold a window and drag it around, i get something that cannot fully be called "tearing" it is just weird refreshing and seeing double. best way to explain this is: in the windows xp days if you didnt install the graphics driver, and tried to drag a window around you see that weird refreshing. but i dont think that my graphics is not installed as graphics performance is good in other areas.



other information that may help recognising the issue:
-video playback on youtube is smooth upto 1080p, but upto 4k on windows.
-touchpad is generally very sensitive in a good way, but misses a lot of taps to click. using libinput, checked.
-when testing tapping on the "settings" test section, i get missed double clicks all the time, single clicks are usually detected. in real useage single clicks are usually missed.
-it seems touchpad goes to sleep after a few seconds of no usage, but couldnt confirm.
-intel celeron n3450, 6gb ram, ssd.



any advice on how to fix this would be appreciated a lot, as i thought i will buy this laptop and install ubuntu and be ready to go. i just dont trust security in windows, coming from mac.



edit: i have uploaded a video of the issue on youtube, here is the link:
https://www.youtube.com/watch?v=GzB_X_CSPF0










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  • Great. What a community. Nobody even answered. At least point me to a better forum if this is just for programmers.
    – sahmd
    yesterday















up vote
0
down vote

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hi everyone im a brand new linux user and no experience in programming but i can follow instructions and fix issues. it is just that i didnt find anyone else having the exact problem with the exact OS.



so i installed ubuntu latest LTS on laptop (teclast f7) and touchpad worked eventough i wasnt expecting it to, possibly due to a kernel update. but when i hold a window and drag it around, i get something that cannot fully be called "tearing" it is just weird refreshing and seeing double. best way to explain this is: in the windows xp days if you didnt install the graphics driver, and tried to drag a window around you see that weird refreshing. but i dont think that my graphics is not installed as graphics performance is good in other areas.



other information that may help recognising the issue:
-video playback on youtube is smooth upto 1080p, but upto 4k on windows.
-touchpad is generally very sensitive in a good way, but misses a lot of taps to click. using libinput, checked.
-when testing tapping on the "settings" test section, i get missed double clicks all the time, single clicks are usually detected. in real useage single clicks are usually missed.
-it seems touchpad goes to sleep after a few seconds of no usage, but couldnt confirm.
-intel celeron n3450, 6gb ram, ssd.



any advice on how to fix this would be appreciated a lot, as i thought i will buy this laptop and install ubuntu and be ready to go. i just dont trust security in windows, coming from mac.



edit: i have uploaded a video of the issue on youtube, here is the link:
https://www.youtube.com/watch?v=GzB_X_CSPF0










share|improve this question









New contributor




sahmd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.




















  • Great. What a community. Nobody even answered. At least point me to a better forum if this is just for programmers.
    – sahmd
    yesterday













up vote
0
down vote

favorite









up vote
0
down vote

favorite











hi everyone im a brand new linux user and no experience in programming but i can follow instructions and fix issues. it is just that i didnt find anyone else having the exact problem with the exact OS.



so i installed ubuntu latest LTS on laptop (teclast f7) and touchpad worked eventough i wasnt expecting it to, possibly due to a kernel update. but when i hold a window and drag it around, i get something that cannot fully be called "tearing" it is just weird refreshing and seeing double. best way to explain this is: in the windows xp days if you didnt install the graphics driver, and tried to drag a window around you see that weird refreshing. but i dont think that my graphics is not installed as graphics performance is good in other areas.



other information that may help recognising the issue:
-video playback on youtube is smooth upto 1080p, but upto 4k on windows.
-touchpad is generally very sensitive in a good way, but misses a lot of taps to click. using libinput, checked.
-when testing tapping on the "settings" test section, i get missed double clicks all the time, single clicks are usually detected. in real useage single clicks are usually missed.
-it seems touchpad goes to sleep after a few seconds of no usage, but couldnt confirm.
-intel celeron n3450, 6gb ram, ssd.



any advice on how to fix this would be appreciated a lot, as i thought i will buy this laptop and install ubuntu and be ready to go. i just dont trust security in windows, coming from mac.



edit: i have uploaded a video of the issue on youtube, here is the link:
https://www.youtube.com/watch?v=GzB_X_CSPF0










share|improve this question









New contributor




sahmd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











hi everyone im a brand new linux user and no experience in programming but i can follow instructions and fix issues. it is just that i didnt find anyone else having the exact problem with the exact OS.



so i installed ubuntu latest LTS on laptop (teclast f7) and touchpad worked eventough i wasnt expecting it to, possibly due to a kernel update. but when i hold a window and drag it around, i get something that cannot fully be called "tearing" it is just weird refreshing and seeing double. best way to explain this is: in the windows xp days if you didnt install the graphics driver, and tried to drag a window around you see that weird refreshing. but i dont think that my graphics is not installed as graphics performance is good in other areas.



other information that may help recognising the issue:
-video playback on youtube is smooth upto 1080p, but upto 4k on windows.
-touchpad is generally very sensitive in a good way, but misses a lot of taps to click. using libinput, checked.
-when testing tapping on the "settings" test section, i get missed double clicks all the time, single clicks are usually detected. in real useage single clicks are usually missed.
-it seems touchpad goes to sleep after a few seconds of no usage, but couldnt confirm.
-intel celeron n3450, 6gb ram, ssd.



any advice on how to fix this would be appreciated a lot, as i thought i will buy this laptop and install ubuntu and be ready to go. i just dont trust security in windows, coming from mac.



edit: i have uploaded a video of the issue on youtube, here is the link:
https://www.youtube.com/watch?v=GzB_X_CSPF0







drivers touchpad performance tearing






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sahmd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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Check out our Code of Conduct.









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edited Nov 21 at 4:32





















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asked Nov 21 at 3:48









sahmd

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sahmd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






sahmd is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.












  • Great. What a community. Nobody even answered. At least point me to a better forum if this is just for programmers.
    – sahmd
    yesterday


















  • Great. What a community. Nobody even answered. At least point me to a better forum if this is just for programmers.
    – sahmd
    yesterday
















Great. What a community. Nobody even answered. At least point me to a better forum if this is just for programmers.
– sahmd
yesterday




Great. What a community. Nobody even answered. At least point me to a better forum if this is just for programmers.
– sahmd
yesterday















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