add-ons manager displaying all white
When I open the Add-on Manager and have more than a screens-worth on the search, extensions, appearance and plugins "panes" , any scrolling or change to another location on the page, causes all the icons and text in the scrollable area to change to white silhouettes for a few seconds. It doesn't matter whether it is a list or the "more" screen for a plugin -- it all turns white. The light-grey background remains and the colors in the side "tabs" are all there. After the few seconds, all the colors return.
I have reset all the settings in my system profile, and tried while logged in as another user with the same result. This suddenly occurred with the upgrade to v30.
This is not happening on my Windows systems with very similar add-on setups (and I reset everything on this computer anyway).
Any suggestions?
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Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.
- Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
- Do NOT click the Reset button on the Safe Mode start window
Τροποποιήθηκε στις από τον/την cor-el
OK, so starting in safe mode stops the problem. However, I tried resetting Firefox, deleting cookies and caches, deleting the profile and preferences and re-installing Firefox and none of those resolve the problem. Only safe mode.
Apparently, this is not a problem others are experiencing, but what could possibly cause a problem in a default install on my machine that goes away in safe mode?
What more can I do to figure out what is causing this problem?
Thanks.
I'm seeing this problem on another Mac too. Both are running 10.8.
You can try to disable hardware acceleration in Firefox.
- Firefox > Preferences > Advanced > General > Browsing: "Use hardware acceleration when available"
You need close and restart Firefox after toggling this setting.
If it works in Safe Mode and in normal mode with all extensions (Firefox/Tools > Add-ons > Extensions) disabled then try to find which extension is causing it by enabling one extension at a time until the problem reappears.
Close and restart Firefox after each change via "Firefox > Exit" (Windows: Firefox/File > Exit; Mac: Firefox > Quit Firefox; Linux: Firefox/File > Quit)
Low and behold, it was hardware acceleration! None of my add-ons caused the problem (which I had already checked, but apparently not mentioned above).
It wasn't a make-or-break problem, so now I'm wondering: How do I determine what effect hardware acceleration had on general speed so that I can choose to live with the anomaly if it makes everything else that much faster?
Thanks.