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Old 03-08-2017, 01:04 PM   #1
d.duck
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Touchpad not recognized (Fedora 25/Acer Aspire ES1-521-63X6)


Hey there!

I'm having trouble with the touchpad of my Acer Aspire (model in the title). I had been using Fedora 23 for quite some time, but I upgraded to Fedora 25 yesterday and the problem is still there.
I'm using X.org, since Wayland is not running very well here, but the problem is the same with both. The touchpad is not even listed in xinput:

Code:
$ xinput
⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
⎜   ↳ USB Optical Mouse                       	id=10	[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)]
    ↳ Video Bus                               	id=7	[slave  keyboard (3)]
    ↳ Power Button                            	id=8	[slave  keyboard (3)]
    ↳ Sleep Button                            	id=9	[slave  keyboard (3)]
    ↳ VGA Webcam                              	id=11	[slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard            	id=12	[slave  keyboard (3)]
    ↳ Acer WMI hotkeys                        	id=13	[slave  keyboard (3)]
Fn+F7 has no effect.

I've read in another thread that the problem could be treated by blacklisting the i2c_hid module. Unfortunately, I'm inept to do that (so maybe this thread would be better in another subforum?). I tried to create a file /usr/modprobe.d/blacklist-i2c_hid.conf with the following content:

Code:
blacklist i2c_hid
Unfortunately, this had no effect: The module i2c_hid was still loaded according to lsmod.

Code:
$ lsmod | grep 'i2c'
i2c_piix4              24576  0
i2c_algo_bit           16384  1 radeon
i2c_hid                20480  0
So I changed my conf file to the following:

Code:
install i2c_hid /bin/false
Still, nothing different...

The Synaptics driver is installed, by the way.

Does anyone have any good idea what I could do?
Thanks!
 
Old 03-08-2017, 03:20 PM   #2
Timothy Miller
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First, might sound like a silly question, for the blacklist, did you reboot after making the file?
 
Old 03-08-2017, 04:40 PM   #3
d.duck
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Haha, I wish this was the solution.^^

I did reboot.
 
Old 03-08-2017, 05:29 PM   #4
ferrari
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FWIW, I turned up this bug report describing this touchpad behaviour for this and similar models. Comment #8 may potentially of interest
Quote:
Christopher. I removed myself from the "affects me" list. Was not a bug. In the case of my Acer Aspire the issue was caused by incorrect settings in the BIOS for touch pad legacy support.
Worth a shot anyway.
 
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Old 03-08-2017, 05:35 PM   #5
ferrari
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Also, perhaps check if any BIOS updates are available for this model. I've read of instances where that was necessary before a touchpad was able to be handled properly.
 
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Old 03-08-2017, 05:54 PM   #6
d.duck
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Quote:
Originally Posted by ferrari View Post
FWIW, I turned up this bug report describing this touchpad behaviour for this and similar models. Comment #8 may potentially of interest

Worth a shot anyway.
Hm, thank you very much! "incorrect settings in the BIOS" sounds as though I could change them (into correct settings)?
I can't say I feel comfortable with BIOS. The only thing I ever did in BIOS was to change the boot order. Could you perhaps give me some keywords to look for? I just explored my BIOS menu, but I found nothing that looked promising.
 
Old 03-08-2017, 06:10 PM   #7
ferrari
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Unfortunately, I don't own Acer hardware, but this youtube video may be helpful. I'm assuming that it is applicable to your model.

Described verbally here (for similar model).

Tidied and formatted a bit for easier reading...
Quote:
1.Reset
2.Press F2 to enter in BIOS
3.Main
4.Set touchpad as basic (NOT ADVANCED!!!).
5.Press F10 to save changes I hope this sequence to solve your problems
 
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Old 03-08-2017, 06:10 PM   #8
d.duck
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Thumbs up

Okay, I must have been blind. Now that I know where it is, I think it's easy to find, don't know why I hadn't seen it.

Changed Touchpad from Advanced to Basic and it works perfectly! You're my hero!


EDIT: And thank you for your last response! I watched exactly that video, sorry I was too slow.

Last edited by d.duck; 03-08-2017 at 06:12 PM.
 
Old 03-08-2017, 06:19 PM   #9
ferrari
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Glad to have been of help to a fellow Linux user!
 
  


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