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After installing Ubuntu 18.04, the touchpad of my Asus FX-503 (manual) has really low performance which is very vexing. Also, Function keys do not work for changing brightness or the keyboard back light.

⎡ Virtual core pointer                      id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ ITE Tech. Inc. ITE Device(8910)           id=13   [slave  pointer  (2)]
⎜   ↳ ELAN1200:00 04F3:3090 Touchpad            id=14   [slave  pointer  (2)]
⎣ Virtual core keyboard                     id=3    [master keyboard (2)]
    ↳ Virtual core XTEST keyboard               id=5    [slave  keyboard (3)]
    ↳ Power Button                              id=6    [slave  keyboard (3)]
    ↳ Asus Wireless Radio Control               id=7    [slave  keyboard (3)]
    ↳ Video Bus                                 id=8    [slave  keyboard (3)]
    ↳ Video Bus                                 id=9    [slave  keyboard (3)]
    ↳ Power Button                              id=10   [slave  keyboard (3)]
    ↳ Sleep Button                              id=11   [slave  keyboard (3)]
    ↳ USB2.0 HD UVC WebCam: USB2.0 HD           id=12   [slave  keyboard (3)]
    ↳ Asus WMI hotkeys                          id=15   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard              id=16   [slave  keyboard (3)]
    ↳ ITE Tech. Inc. ITE Device(8910)           id=17   [slave  keyboard (3)]

Uname provides:
Linux sorush-FX503VD 4.15.0-55-generic #60-Ubuntu SMP Tue Jul 2 18:22:20 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

How may I troubleshoot this?

  • Unfortunately, Asus does not provide Linux drivers for its hardware, as found at asus.com/us/Laptops/FX503/HelpDesk_Download – K7AAY Sep 23 '19 at 16:56
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    so what should i do ? i know some people who have asus but they don`t have problem – S.Saghari Sep 24 '19 at 10:07
  • 1) This could be an issue specific to this model, not an Asus-wide issue. 2) Look for other Ubuntu and Linux issues with the ELAN1200:00 04F3:3090 Touchpad / ITE Tech. Inc. ITE Device(8910) like askubuntu.com/questions/1038602/… which was the first hit on a search. – K7AAY Sep 24 '19 at 17:12
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after rading latest comment and upgrading ubuntu to 19.04 , and reaching kernel 5.0 function keys problem solved. touchpad works better now . but some times stops suddenly and still has not expected performance , but at least its usable .

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