Firefox 黑掉問題 / Firefox got all black screen

http://www.ptt.cc/bbs/Browsers/M.1413353473.A.B6B.html

我也是關掉硬體加速就好了

Update:
[更佳解法]: http://www.ptt.cc/bbs/Browsers/M.1413396594.A.BC2.html

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[English]

Turning off hardware acceleration can solve this problem!

Options -> Advanced -> General ->  uncheck "Use hardware acceleration when available"

Update:
Better solution:
input about:config
change "layers.offmainthreadcomposition.enabled" to false
 (Try whether it works for you.)