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Firefox 43 overheating gpu on youtube html5

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hello. firstly sorry my english weak. i hope u guys understand me and my problem.

today ill upgrade my firefox 42 to firefox 43.

after the update ive problem with gpu temp on youtube html5 videos. before the update my gpu temp was 40~45 C but now its over 52-55 C if ill get watchin youtube videos

my gpu amd r9 390

ill test flash player gpu temps on twitch its seems normal like 43-45. ill playing csgo its normal again like 45 49

ill try disable hardware acceleretion. its workin actually my gpu temps look normal when disable hardware acc. BUT this time my firefox fonts corrupted

example image

由 ffnmg 於 修改

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example image for font problem

so what should I do for fixin heat problem or fixing font problem disable hardware acc

由 ffnmg 於 修改

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When the computer is too hot, most of the time it's a CPU problem. But it could also be a hardware issue.

  • 1 Make sure the fan is running properly
  • 2 By a can of compressed air and blow out the computers air ducts.

https://support.mozilla.org/en-US/kb/websites-look-wrong-or-appear-differently

https://support.mozilla.org/en-US/kb/firefox-slow-how-make-it-faster

https://support.mozilla.org/en-US/kb/firefox-uses-too-many-cpu-resources-how-fix

https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding

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firstly my pc is new. i was bought 2 week ago. there is no problem such this on firefox 42. after the update its begin

there is no problem on flash player vides or games. just html5 youtube videos have problems

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any solution?

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Remember; just because something is new does not mean it's not a lemon.

Did you check out the links I posted?

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yes i check. but not found solution for heatin problem. its only happen on firefox 43 youtube/html5 videos if hardware acceleration is enable

only solution disable hardware acc but this time font problems showup

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2 week old PC ...

Make sure all your drivers are up-to-date, especially the video / graphics drivers. I have never purchased (or built) a PC that had up-to-date video / graphics drivers installed (or packaged with the motherboard) - something always needed to be updated.