Page-up/page-down turn into browser forward/back
I'm running FF4 RC2 on Windows 7 64-bit SP1. My machine is a stock Asus UL30VT-X1K. I just installed FF4 the other day and had previously used 3.6.15. I noticed after a little bit of use that page-down was no longer paging down. Pressing page-up revealed that it acted like browser back. Following with page-down then revealed that it was acting like browser forward. Closing and reopening Firefox makes this issue go away but only temporarily. I have yet to figure out exactly what causes the functionality to change. It does not do this on my work PC which is also running FF4 on Windows 7 64-bit SP1. I have tried disabling all plugins, that does not make the issue go away. Uninstalling/reinstalling did not help either. One thing that has been triggering this issue consistently has been going to Yahoo Mail. It has happened without going to Yahoo Mail as well.
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I'm having the same problem with the same (or similar) Asus and Windows 7 64-bit. Gmail is what triggered it for me, though avoiding gmail only helped until I opened a third tab. So damned frustrating.
I've noticed that engaging in Google Chat on the Gmail page is a trigger for it
I'm also experiencing the same issue with the PgDn and PgUp buttons acting as backwards and forward browser buttons-Asus, Win7 32 bit. Hope this gets fixed soon.
This has also been reported here: https://support.mozilla.com/de/questions/796425 http://support.mozilla.com/my/questions/799752
And on bugzilla here: https://bugzilla.mozilla.org/show_bug.cgi?id=640587
Edit: paintballzero's solution below works.
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I have a ton of plug-ins for FF4:
Shockwave Flash 10.2.153.1
Adobe Acrobat 10.0.1.434 Google Update 1.2.183.39 Microsoft Office 2010 14.0.4730.1010 Microsoft Office 2010 14.0.4761.1000 Silverlight Plug-in 4.0.60129.0 Winamp Application Detector 5.6.1.3133
ONLY the Shockwave plug-in is causing this problem. Disabling it fixes the issue. But then I can't use Flash.
Modified by HSuke
Its been reported that some of users, like me, are having this problem on their Asus model laptops. Another common factor between the models could be the use of Elantech drivers for touchpad mouses.
The bugzilla.mozilla.org link provided above has a fix that has worked for me so far. It goes as following:
1. Go to about:config
2. Find ui.elantech_gesture_hacks.enabled
3. Change its value from -1 to 0
4. Restart FF
5. If you run into a bug that option was designed to fix (non-working page swipe gestures), install the latest Elantech driver (http://www.techspot.com/drivers/driver/file/information/14513/) and reboot.
I has proven to work for me. However, I did not need to install the latest driver or have not had to so far, thus I cannot confirm that part of the fix.
Modified by paintballzero
Sorry for what might be a simple question, but where do I go exactly to disable the elantac gesture hacks? I'm not quite sure what you mean when you say go to "about:config"
Thanks!
To open the about:config page, type about:config in the location (address) bar and press the "Enter" key, just like you type the url of a website to open a website.
If you see a warning then you can confirm that you want to access that page.
- Use the Filter bar at to top of the about:config page to locate a preference more easily.
- Preferences that have been modified show as bold(user set).
- Preferences can be reset to the default or changed via the right-click context menu.
See also:
Thanks! Fix worked perfectly running on an ASUS UL80VT.
LOL @ everyone owning ULxxVTs ... I too encounter this problem on my UL80VT Stock. . .
/awkward people running into eachother/
I just closed firefox and re-started it Then it was ok again.
The cause on my computer (windows 7 64 bit, Firefox 8) seems to be the Adobe Flash Plugin. Disabling it restores the normal functioning of the page-up and page-down keys.